Oninit® Archive
Results for “CLEANERS”
Large memory segment vs smaller ones
Hi Dennis. Yes: " vmo -p -o v_pinshm=1". You must have RESIDENT 2 or more for large pages as they must be pinned. The "rsam" pool is in the dynamic segment. You need RESIDENT 2 or more. It doesn't sound like the problem is with the buffer pool but the "rsam" pool. Your BTR is fin…
Changing DBSPACETEMP run-time
Hi, IBM Informix Dynamic Server Version 11.70.FC5XE Please, is there a way to change DBSPACETEMP for a session inside 4GL? ------------------------------ Sincerely, Dennis ------------------------------…
Buffer wait occurs when performing INSERT in multiple sessions
I have seen the KAIO out of resources error several times on AIX. Consider setting the environment variable IFMX_AIXKAIO_NUM_REQ as described in this article: https://www.ibm.com/support/pages/kaio-out-os-resources-errno-11-aiowrite-returning-eagain You may need to do some tunin…
Index page size recommendations
16 k for indices is a good starting point. After that is depends on the data. If I am using TS then I would tend to have dedicate spaces as well. And yes you need a buffer pool for each page size. Paul Watson Oninit LLC +1-913-387-7529 www.oninit.com Oninit® is a registered trade…
ADO - activex data object
What do I require, to connect "ado activex data object" to Informix ? AIX 7.2 IBM Informix Dynamic Server Version 12.10.FC9W1 Regards Dirk…
Problem with backup
Original post: Hello, every time we release a copy with onbar , the Database server gets blocked one to three minutes. Is this normal ? Our version is 12.10.FC3WE and the command is onbar -b -w Thank Response: The answer is possibly. At the start of every backup, the server…
Bufferpool configuration
Hi informix community, on a SPARC M10-1 Server we have a informix 12.10FC10 instance. Currently this instace use a buffer pool with around 7GB. Now i have the chance to configure the buffers up to 40GB. I would like to use the following configuration of the buffer pool: BUFFER…
BUFFERPOOL Configuration
Oh, one more reason to use multiple page size buffer pools: - To be able to isolate the IOs against some objects from those of other objects so that, for example, index IO activity does not flush data pages from the cache.…
listener-thread@soc_be.c:3073: err = -25582:
Adding Version details Informix Version : IBM Informix Dynamic Server Version 12.10.FC6 O/S Version : Red Hat Enterprise Linux Server release 6.9 Thanks & Regards, Karthik Rajan…
Informix and speculative execution
Hi all, I have seen speculative execution patches for Firefox and SQL Server. Are there speculative execution patches for Informix in progress? There is no IBM Flash for Informix Dynamic Server and speculaative execution! Regards, David.…
Informix 12.1 Blocking Checkpoints
> On 7 Nov 2017, at 10:48, NATYURAL HORACIO <horacio.natyural@gmail.com> wrote: > > Hi, > > > Based on the current workload, the physical log might be too small > to accommodate the time it takes to flush the buffer pool during > checkpoint processing. The server might block tran…
Rovoke insert permission but still can insert
I am doing it at the command line in the server directly in the directory C:\\\\Program Files\\\\IBM\\\\IBM Informix Dynamic Server\\\\11.50\\\\bin…
identify what is allocating memory
original post: Hi , How identify what/who is consuming memory in a specific virtual memory segment ? With onstat -g ses , there is no session with high memory allocated. The amount of users sessions is keeping at regular average... No buffers pool was allocated automatically (I…
Buffer pools in 11.50.FC5
IDS 11.50.FC5 Solaris 10 Sparc I need some guidance on BUFFERPOOL. I am receiving the WARNING: Buffer pool size may cause Dynamic Server to get into a locked state. Recommended minimum buffer pool size is 4 times maximum concurrent user threads. I am not sure how that translat…
Odd Bufferpool Behaviou
Original post: AIX 6.1 IDS 11.70.FC8X8 I have a new machine with a lot of extra memory. Given that, I added a bunch of new buffers (4k, 8k, & 16k) and went to town testing away. Long story short, with all those new buffers, I get virtual segments added at startup. In onstat -g …
LRUS_MIN MAX DOES NOT WORK
When dirty buffer is over 4000 (resulut of onstat -R), I check onstat -F and I found that my 8 cleaners are in state "I".…
External table problem
Which Informix version? 11.70 FC5 What does onstat -g ckp give? it stacked in the last checkpoint done by plog What is in the online log / os log? it's normal and does not move Are enough cleaners configured? 8 Is this loading all the data into 1 chunk? Yes onstat - is stacked i…
12.10.FC6 Mac port released
IBM Informix 12.10.FC6 release for Mac OS is officially available! John F. Miller III STSM, Lead Architect miller3@us.ibm.com 503-747-1366 IBM Informix Dynamic Server (IDS)…
RSS not working
-bash-4.2$ onstat - IBM Informix Dynamic Server Version 11.50.FC9 -- On-Line --…
Physical Log Size
IDS 11.70.FC8 AIX 1 6 00CC96664C00 I received the following message in the online.log file ..... is it something to be concerned about ? Based on the current workload, the physical log might be too small to accommodate the time it takes to flush the buffer pool during checkpoi…
new bufferpool
original post This concerns ids12.10TC3IE . These are the old lines in my onconfig... #BUFFERPOOL default,buffers=10000,lrus=8,lru_min_dirty=50.00,lru_max_dirty=60.50 #BUFFERPOOL size=4K,buffers=100000,lrus=8,lru_min_dirty=20.00,lru_max_dirty=30.00 #BUFFERPOOL size=16K,buffers=…
Informix upgrade
Can we upgrade informix from Dynamic Server Version 11.70 to 12.1 workgroup edition directly?…
Buffer Size and Use
Folks, We recently had a conversation with a well-respected name in the Informix world, recently, concerning our bufferpool configuration. When exported, our database takes up only about 18 GB. We had a buffer pool of 12 GB, figuring that the more memory resident, the better. Al…
when use IfxDataReader.GetIfxDateTime to NULL valu
Hello, The version of Informix products in my environment is: Database server: AIX IBM Informix Dynamic Server Version 10.00.FC5 IBM Informix CSDK Version 2.90 IBM-ESQL Version 2.90.FC4 Client: PC Windows IBM Informix-ESQL 3.70.TC5DE.…
onstat -g ckp Question
When we are transferring an index from the primary to the secondary we = have a problem. All the work and maintain a clean buffer pool on the primary= is done all the index is being built. However on the secondary there is no= way to keep the buffer pool clean. If we do not keep …
Problems of I/O due to too many cleaners?
Hi, I have an instance informix 11.50 on a Unix server running HP-UX. It consists of 10 disks (LUNs) of 60 GB each. These Luns are of a SAN. At the operating system level, these disks are configured as raw devices and LVM (raw lvols linked with chunks). I've noticed that when the…
DB_locale or local naming convention
Hi, I already mention the informix version. IBM Informix Dynamic Server Version 11.70.TC1IE…
Error -556 on @ reference
In IDS_A have a stored procedure do_some that has a insert into a local table. In IDS_B have a stored procedure do_some that does: call base@IDS_A:do_some(); Calling this sp works ok. In IDS_C i try to run: call base@IDS_B:do_some(); Fails with error -556 Cannot create, drop,…
Bufferpool max size in Windows Server 2008 64bit
Hi, I restarted engine once more and now it looks right. So, probable user error! Are there other memory parameters that would benefit from very large values? Thanks, Lauri d:\\\\Program Files\\\\IBM\\\\Informix\\\\11.70>onstat -X IBM Informix Dynamic Server Version 11.70.FC…
buffer pool and dbimport (11.70FC5)
Hi, I'm facing a problem and i don't understand how is it possible ... I'm loading (dbimport) a big table (> 3 Million records) and my buffer pool becomes quickly full (700000 buffers with LRU min = 0.50 and max 1.00). Checkpoint is not trigger until CKPINTVL (180) and you can im…
shared memory
This concerns IDS 11.70.TC5IE on Windows Server 2008 . This article http://publib.boulder.ibm.com/infocenter/idshelp/v117/index.jsp?topic=%2Fcom.ibm .perf.doc%2Fids_prf_750.htm defines buffer_value = (BUFFERS * pagesize) + (BUFFERS * 254) + 250000and goes on to say: âIf you hav…
Disabling LRU flush
Hi, IFX 11.70 FC 5 Innovator-C , Linux 64bits OpenSuse. I'm working with database load. Basically I'm using HPL, unfortunately some tables have huge rowsize0 (1 row size = 2 pages) and lvarchar datatype which force use deluxe mode. Consequently use buffer pool , and then LRU fl…
BTR on each buffer pool?
This concerns IBM Informix Dynamic Server Version 11.70.TC5IE . I have a 16k page size space where I put a temp space and all primary and foreign key indexes. Since I can select nbuffs, bufwaits, bufwrites, pagreads from sysmaster:sysbufpool I can get the BTR on each pool. Should…
Correct method of sizing resident pool...
Hi all, I have a script that reads an onconfig file and outputs an estimated memory footprint of the instance. However, I am finding it hard to accurately predict the resident section size. According to http://publib.boulder.ibm.com/infocenter/idshelp/v111/index.jsp?topic=/com…
IDS 7.31 UD5 data(base) recovery
Informix Dynamic Server Version 7.31.UD5 I understood that IDS 7.31 entered End Of Support in September 2009 ( 2 and a half years ago) I hope this is not a business critical system…
enterprise replication time to replicate data
IBM Informix Dynamic Server Version 11.50.FC6 Question for enterpise experts Does anyone know a command that will give me time that it takes to replicate data to a node? for example i update on server a and it replicates to server b . How long did it take? cdr view profile gives …
ZFS and Informix
I'm well aware that the buffer pool has nothing to do with the underlying file system. We're just trying to figure out what scales better. We know that ZFS's ARC scales very well (the algorithms come from IBM !!). I trust though the people that have been out in the trenches worki…
Informix Status Explanations
hi, can anyone shed light on this for me. what does this mean? status yield bufwait- does it mean i'm lacking buffer pools? what does this indicate? cond wait netnorm - session is not doing anything. running- does it mean the sql is currently running. yield lockwaits - does th…
Increase buffer pool size
Dear All, i found the following line in the message log of an IDS 10.00 on a Linux Box having 3GB memory: WARNING: Buffer pool size is too small for read ahead operation I would like to increase this parameter, as obviously it has the default size of 5000 buffers with a 2k page…
Informix question
Original Post: Hi, I have two confused question. 1 When a update SQL will update totally 3 pages in bufferpool? How many mutex IDS will allocate for this thread in the buffer-head entry in the buffer table? 2. What the temporary sbspace will be used for? thanks for your time.…
Over 1,000 days of 24x7 database uptime!
On 29.07.2011 20:38 Lester Knutsen wrote: > From one of our customers, their Informix server hit 1,000 days today > .... congratulations;) > > IBM Informix Dynamic Server Version 10.00.FC8 -- On-Line -- Up > 1000 days 00:31:45 -- They beat mine just bit ... IBM Informix D…
Setting up HDR- First Time -11.70 Innovator-C
Hi, I am setting up HDR for the first time. onstat - on primary shows IBM Informix Dynamic Server Version 11.70.UC2IE -- On-Line (Prim) -- Up 0:11:5s onstat - on secondry shows IBM Informix Dynamic Server Version 11.70.UC2IE -- Fast Recovery (Sec) -- Up 00s onstat -m on sec…
ISAM error 197: Partition recently appended to
Informix Dynamic Server Version 9.40.UC5 SUSE Linux Enterprise Server 10 (i586) I have done a level 0 backup directed to /dev/null and tried again. still it is throwing the same error.…
Tool to estimate the size of an index
Sorry, I forgot to provide the version of the installation: IBM Informix Dynamic Server Version 11.50.FC4 Operative System: AIX Version 6.1…
Can't access sysindexes remotely
Hi, We are using IBM Informix Dynamic Server Version 11.50.FC6 using Platform: SunOS 5.10 Generic_125100-09 sun4v sparc SUNW,Sun-Fire-T200 Thanks…
why so many informix threads on idle systems ?
WOW, is there a cleaner/prettier way of displaying all that info?.. Even if its like a char-based .per screen? I've heard there are some third-party tools for onstat.…
RE: Long Checkpoints with HDR and 11.5.
Art Kagel wrote: No, Jacques, IDS secondaries do not share buffer pool updates with the primary. Only the logical log buffers are transferred, so only the server's transaction rate would affect the data transfer rate between the servers and that would be about the same regardles…
Network Buffer Pools
IDS 11.50.FC5 AIX 5.3 For HDR replication between two AIX 5.3 servers, is there a suggested value for the following environment parameters: 1. IFX_NETBUF_PVTPOOL_SIZE 2. IFX_NETBUF_SIZE 3. Sqlhosts option b (client buffer size) The primary has 64GB of memory while the second…
btscanner endless
Let me first say that I am not an expert on the btree cleaner technology. But I do know that the btree cleaner functionality improved greatly in the more recent versions of the database server and if I recall correctly there were problems with it in the release you are on now. O…
Informix Dynamic Server Software Downloads
It appears IBM has cleverly hidden the IDS downloads again on the Passport Advantage Website, at least from my prying eyes. I can find the Solid DB and the DB2 links just fine. Does anyone out there in IIUG-land with a Passport Advantage account know where IBM has stashed the dow…
OPTCOMPIND and perl
Anyone know if I can change OPTCOMPIND after establishing a DB connection or does it need to be set before connecting? ta SLES10 SP1 IBM Informix Dynamic Server Version 10.00.UC5…
physical log might be too small
Hello, We are getting following error while checking checkpoints "Based on the current workload, the physical log might be too small to accommodate the time it takes to flush the buffer pool during checkpoint processing. The server might block transactions during checkpoints. I…
Informix Dynamic Server Scheduler question
Hi! I'm working on a project at my faculty. It's a java desktop application with an informix database. I have a problem using informix dynamic server scheduler. I have a particular table in my database. This table contains records that are inserted by the desktop aplication I'm …
Informix page cleaners (w/ a SAN)
We have read some tuning recommendations that seem to indicate that for IDS 10: If you have fewer than 20 disks you should use 1 cleaner/disk With 20 - 100 disks you should set 1 cleaner for every other disk. (We are currently set to 128) We run on HPUX 11 (PA-RISC) connected …
Checkpoint Duration
thank you for the response. If I increase CLEANERS from 96 to 128, will there be any effect besides faster checkpoint operation?…
IDS 9.40 End of Support Imminent
I have seen a number of posts on CDI recently related to IDS 9.40 As per the announcement on September 7th 2007, effective on the dates listed below, IBM will withdraw support from the following product releases licensed under the IBM International Program License Agreement: 9…
IDS 7.31 Solaris8 - Long Checkpoints
Hello, I changed LRUS and CLEANERS to 128, LRU_MAX_DIRTY to 2 and LRU_MIN_DIRTY to 1 on a Solaris8 testserver with 2 processors and 2GB RAM. The chackpoints are shorter but the IDS server is much slower then before: a load of about 85000 records takes 25 minutes now, 7 minutes be…
Buffer Pool
Hi, We are running informix 9.4 FC5xs with SAP. Our SAP admin recently advised that the INFORMIX buffers were set to low. Based on some SAP recommendation, we increased the buffers parameter from 301049 to 501049 (about 600Mb to a little les than 1Gb. 2 days later I found the fo…
btree invalidation
The CLEANERS parameter is set to 120 in the onconfig file. I believe that this is the maximum. I have a few doubts about the way how it works: When a cleaning request is invalidated ?, why ? When you indicate "All requests younger...", do you refer to cleaning requests ? Thanks…
Fatal error
Dear Friends, When i am try to onlining the informix i got this messages informix@DBSERVER> oninit -v -y Checking group membership to determine server run modesucceeded Reading configuration file '/export/home/informix/IDS0/etc/onconfig.voms'...succeeded Creating /INFORMIXTMP/.…
Re: Best Use of Free Memory
David, I see the confusion now. The English phrase, "Needs to acquire a buffer," is too vague. There are really two major cases, but the manual is only addressing one (the rarer one). The cases are: 1. The required data is already in the buffer pool. In this case the thread nee…
Best Use of Free Memory
BUFFERS is generally a good place place to use extra memory, subject to a couple caveats: 1. If the working set already fits in the current buffer pool, adding still more buffers will not produce any noticeable performance increase. Check "onstat -g buf" output for your %cached.…
use stored proc that return multiple columns in a query
forgot to include version info: IBM Informix Dynamic Server Version 10.00.UC6W5 -- On-Line -- Up 207 days 22:14:39 -- 1441100 Kbytes…
installing informix dynamic server in linux
hi, I'm new to informix... I tried to install informix dynamic server(iif. 11.50.UC2E.Linux-RHEL4.tar) in my linux machine. I'm getting an error like this... One or more prerequisite system libraries are not installed on your computer. Install libpam.so.0, libncurses.so.5…
Informix Dynamic Server v 11.50 Developer's Edition
Does everyone know that the Informix Dynamic Server Developer's Edition v11.50 that you can download from the IIUG Web site (www.iiug.org) is NOT timebombed, is completely and fully functional (including HDR, MACH11, ER etc.). Do you know that the only limitations on this versio…
Informix Dynamic Server v 11.50 Developer's Edition
Does everyone know that the Informix Dynamic Server Developer's Edition v11.50 that you can download from the IIUG Web site (www.iiug.org) is NOT timebombed, is completely and fully functional (including HDR, MACH11, ER etc.). Do you know that the only limitations on this versio…
CONFIGURATION ONAUDIT-IBM Informix Dynamic Server
Hello, I need to configure onaudit and onshowaudit able to register for each of the consultations that are made to the database, either through dbaccess, ODBC or another application. I've been reviewing the IBM Informix Trusted Facility Guide, but I was not working. What param…
How to use Informix Dynamic Server
I have installed trial version of "Informix IDS Dynamic Server Developer Edition 11.5 for Windows 2003, XP, Vista, 32bit Version 1150TC1DE". But i am new to informix. Can anyone explain how to use IDS in detail.…
LRUS and CLEANERS ids 9.40
Hi all, I read a section from IBM performance and tuning curse there's a rule of thumb for LRUS. It says that I have to calculate LRUS aproximately 2000 for each pair, so if I have 1000000 BUFFERS. Do I have to set LRUS to 500? or Do I have to consider other things? and what …
Re: Create Index Mysteriously Slow at the End - IDS 11.10.UC2W2 -RedHatEL5
Hello Andrew, what happens when you try onmode -B (used to be undoced for flushing the buffer cache the checkpoint way without actually doing a checkpoint....) Superboer. On 15 mei, 11:18, "Andrew Ford" <af...@networkip.net> wrote: > I think I've found a work around to my inde…
LRUS / page cleaner recommendations on 10.0?
What is the accepted wisdom for determining LRUS and CLEANERS on 10.0 running on RAID 1+0 ? I seem to be getting conflicting opinions from different sources. Andy…
What is IPA abbreviation ?
Hi all IBM INFORMIX DYNAMIC SERVER 10.00 PRODUCT RELEASE bug_number 168928 description WITH NON-DEFAULT PAGE SIZE AND ACTIVE IPA'S, TABLE LEVEL RESTORES FAIL product_code ONUTILS component_code ARCHECKR What is IPA ? Thanks…
Re: BTree Cleaner in IDS 9.4 HC4
- do the delete/inserts in smaller batches possibly in by committing small batches in the evening - periodically drop and rebuild the indexes - if possible change the application so there is a virtual table consisting of 2 or more tables - a large static table and a smaller dynam…
Free - Registry Cleaners .
Clean and repair your registry for free http://windowsfreetips.blogspot.com/…
Free Registry Cleaners
Optimize registry for free http://windowsfreetips.blogspot.com/…
Re: 9.40FC9 BUFFERS limit
On Jul 25, 4:41 pm, <eshkambx-i...@yahoo.com> wrote: > Hi > > Does anyone know what is real maximum number (not from release notes) of BUFFERS parameter for IDS > 9.40FC9 for Solaris 10? Exact Solaris version is: Solaris 10 11/06 s10s_u3wos_10 SPARC. > > Situation: > > We have ne…
description of onstat -g ntt
Hi Karl, From IBM Performance Guide v9.4, we can find this explanation on the q-exceed field: << output output field Description -------------------------------------------------------------------------------- -------------- onstat -g ntm q-exceeds Number of times the free buff…
Re: Strange behaviour of the buffer pool
On Jul 17, 8:57 am, RoB <pluma...@gmail.com> wrote: > >My post to the news group is taking forever. In any case, I looked > >around a bit and it seems like the easiest way to get your resident > >section to become larger, other then BUFFERS in the $ONCONFIG, is the > >LOCKS para…
Re: Strange behaviour of the buffer pool
On 17 Jul, 12:10, RoB <pluma...@gmail.com> wrote: > Hi all, > > IDS: 9.40.FC3W2 > OS: HP-UX 11.11 > > What am I missing here? An instance is unexplainably allocating 224 MB > of buffer pool in addition to the amount configured. > > The BUFFERS onconfig parameter is set to 6250 (=…
Re: Strange behaviour of the buffer pool
Looking at a larger instance on the same versions I can see the "resident" pool being 354MB while the "res-buff" being the same the BUFFERS setting: onstat -g mem|grep " R " res-buff R c00000001669d040 1280004096 2848 2 2 resident R c000000000491040 …
Strange behaviour of the buffer pool
Hi all, IDS: 9.40.FC3W2 OS: HP-UX 11.11 What am I missing here? An instance is unexplainably allocating 224 MB of buffer pool in addition to the amount configured. The BUFFERS onconfig parameter is set to 6250 (= 12.2MB): onstat -c|egrep "BUFF|SHM" BUFFERS …
IIUG TV
Great job on the video work!! I look forward to seeing more! -t- -- -- Informix Dynamic Server Database Engine -- http://www.informix.com --…
Re: Slow database creation and loading
On Jun 18, 10:50 pm, "Jack Parker" <jack.park...@verizon.net> wrote: > If you are using HPL, that grabs it's own memory. Data does not go through > the normal buffer pool (unless you are using deluxe mode). You might not > want to increase buffers. I need to double check but I…
Re: admin tools like PC client
Mike, What version of Informix are you using? Informix SE? Informix OnLine? Informix Dynamic Server? Most Informix versions these days come with a product call I-Connect that needs to be installed on the PC and rovides the Informix ODBC drivers.…
Error when initializing
06:36:20 IBM Informix Dynamic Server Version [b]10.00.UC6TL[\\b] I believe this is likelt ot be a new ish instance to a newish user of the software…
BTree Cleaner in IDS 9.4 HC4
Hello to all, We have a problem with btree cleaners on out IDS instance. Namely, we have one big table which has three indexes on it. This table is frequenly updated : inserted/deleted/... We suppose that we have a problem wityh btree cleaners as this is a known bug in IDS - btre…
problems with Informix dynamic server 9.4 @ WIndows 2003
I have problems with connecting the server. I use correct user/password to connect to the server, but the server do not known the server. I'm sure the user exist and is one of the user in Informix_Admin group. I have installed Informix dynamic server 9.4 in a windows xp system in…
error initializing
Hi: when initializing my INFORMIX leaves the following message to me error: $ oninit -v Checking group membership to determine server run mode...succeeded Reading configuration file '/usr/informix/etc/onconfig.nazca'...succeeded Creating /INFORMIXTMP/.infxdirs...succeeded Creat…
Total length of columns in constraint is too long
Hi, We recently migrated our application from MySQL to IDS. While the migration (post DDL and few other code changes) worked just fine in a dev. environment on windows, while executing DDL scripts on Linux, IDS throws this error. Basically I have a unique constraint on 3 columns…
Re: How to drop a temp table using "if exists" logic ?
Thanks Bozon for articulating so clearly the need for the existence of temp tables. Somehow I feel that it is always much cleaner to check for existence and drop it if exists EXPLICITY, rather than firing the 'drop table' command and ignoring the warning. I could not find a sol…
License Extension
Help.. I need a license extension for the IBM Informix Dynamic Server Version 10.00.FC3R1TL which I downloaded to do a evaluation. How can I get the license extened..my project is in the final stages .. Dhaya Commercial bank…
Re: Security Vulnerabilities Addressed in Informix Dynamic Server
Clive Eisen wrote: > Ian Michael Gumby wrote: > > Yes the buffer overflow issues are a pain and frankly they shouldn't occur > > if IBM did formal code reviews. Or rather they should be caught and > > corrected prior to release. > > > > "Paul Watson" <paul@oninit.com> wrote in m…
Security Vulnerabilities Addressed in Informix Dynamic Server
Not sure if this has posted here or not but .... http://www-1.ibm.com/support/docview.wss?rs=630&context=SSGU8G&dc=D600&u id=swg21242921&loc=en_US&cs=UTF-8&lang=en Cheers Paul Paul Watson Tel: +44 1414161772 Mob: +44 7818003457 Web: www.oninit.com GO FURTHER with DB2 GET THER…
checkpoint problem
mchivaviro@okzim.co.zw wrote > > I am runnind IDS 7.31 on HPUX 11 and my check points a taking > too long. > What do I need to change. > LRU_MAX_DIRTY 1 # LRU percent dirty begin cleaning > LRU_MIN_DIRTY 0 # LRU percent dirty end cleaning limit …
Checking indexes after large deletes
> I can't seem to get "onstat -g btc" to return anything in 9.21 FC4 or > 10.0 FC4. It doesn't do anything on my "10.00.UC4" box. There is "btree cleaner info", with "onstat -C". Is that the same thing?…
Initialising Informix
I am trying to initialize informix on a new server and I am getting this error. The server is HP UX 11.11 and Informix IDS 7.31 What could be the problem / This action will initialize Informix Dynamic Server; any existing Informix Dynamic Server databases will NOT be accessible …
Informix Connection From WIN CE.NET Emulator?
How do I connect to informix dynamic server from WIN CE.NET Emulator? Is there a WIN CE informix driver?…
How do it get writes form the lrus in V10
> -----Original Message----- > From: ids-bounces@iiug.org [mailto:ids-bounces@iiug.org] On Behalf Of Bill > Marshall > Sent: Wednesday, May 03, 2006 7:21 AM > To: ids@iiug.org > Subject: How do it get writes form the lrus in V10 [6648] > > > I have a new HP Intel 32 bit chip mach…
Re: Table Editor for Multiplatforms
Enhancements in Version 4.3 ..... also supports the Informix Dynamic Server 9.x. http://www.ibm.com/software/data/db2imstools/db2tools/db2te/…
Fragmentation Elimination Problem
I am on version IBM Informix Dynamic Server Version 10.00.FC4.…
Re: Informix Dynamic Server 9.30 - Shared Memory
Ronald Schwingel wrote: > Can someone please tell me how much Shared Memory (gigabytes?) > Informix Dynamic Server 9.30 (32-bit version) for AIX 5L can use > before asserting with a Shared Memory access error? Can you provide > documentation that I can pass on also? It looked to…
RE: Informix Dynamic Server 9.30 - Shared Memory
First off you shouldn't be getting shared memory access errors. That sounds more like a bug that technical support should address. I wouldn't be surprised if your getting can't allocate additional shared memory segment messages. Informix 32-bit on AIX is a bitch. The problem …
Informix Dynamic Server 9.30 - Shared Memory
Can someone please tell me how much Shared Memory (gigabytes?) Informix Dynamic Server 9.30 (32-bit version) for AIX 5L can use before asserting with a Shared Memory access error? Can you provide documentation that I can pass on also? We are looking at providing one of cust…
create a DB on Linux
Hi! I have installed Informix dynamic server on Linux. Now I want to create a data base. What should I do? Thanks…
Re: flagship sunk
Funny I have been able to download IDS 10 for Solaris, Windows and Linux am I just smarter than everyone else? www.informix.com Support and downloads In the middle trials and betas Oh look Informix Dynamic Server (IDS) V10.0 easy!…
Check INFORMIXDIR and DBLANG.FAILED
Hill, what could have caused it ? angel:/opt/informixids/msg/en_us/0333}oninit -v Checking group membership to determine server run modesucceeded Reading configuration file '/opt/informixids/etc/onconfig.angel'...succeeded Creating /INFORMIXTMP/.infxdirs ... succeeded Creating …
RE: Write cache rate
<david@smooth1.co.uk> wrote in message news:1133738969.219926.44970@f14g2000cwb.googlegroups.com... > > > d) For IDS 9 check the new b-tree cleaner stuff and tune appropriately. > I believe www.ardenta.com have a white paper on this (www.ardenta.com) > but I can't find it right n…
Re: IDS 10 - documentation questions
Oops! I mean IBM Informix Dynamic Server Version 10.00.TC3ET Althought the release notes (idse_win_release_notes_10.0.html) start with:- "Release Notes for IBM Informix Dynamic Server Express Edition for Windows Platforms 10.00.TC3E, 1 July 2005 " so it is TC3E or TCE3T? and …
Re: Sql to concatenate multiple rows to a single row / column
Thank you SaltTan - it works beautifully. BTW, we have IBM Informix Dynamic Server Version 9.40.FC6.…
oninit: Dictionary Cache and SPL Routine Cache error
I am having some trouble initializing shared memory on Solaris 9 with Informix IDS 9.4. --------------- $ oninit -ivy Checking group membership to determine server run modesucceeded Reading configuration file '/dbms/informix/etc/onconfig.site'...succeeded Creating /INFORMIXTMP/…
Re: IDS 10 disk configuration
At checkpoint time chunks are assigned round robin to page cleaners for cleaning. ONE CHUNK WILL ONE GET ONE PAGE CLEANERS FLUSHING IT'S WRITES AT CHECKPOINT TIME. We had a 60Gb chunk and someone was loading lots of data into it. 5 minute checkpoint interval and checkpoints up…
New IDS Forum on IBM Developerworks website
This forum provides a place for Informix Dynamic Server developers and users to share their questions, thoughts, and ideas with others. http://www-128.ibm.com/developerworks/forums/dw_forum.jsp?forum=548&cat=19…
Re: Re: oninit error .. [5496]
$ oninit -ivy Checking group membership to determine server run modesucceeded Reading configuration file '/opt/informix/etc/onconfig.padbv2'...succeeded Creating /INFORMIXTMP/.infxdirs ... succeeded Creating infos file "/opt/informix/etc/.infos.padbv2" ... "/opt/informix/etc/.co …
Informix upgrade advice
if io load is an issue: btree cleaner tuning Neil Truby wrote: > We're planning to migrate a customer's system from IDS 9.20 on Solaris 2.6 > to IDS 10.0 FC3 (latest 4FL and ISQL FCx also) on Solaris 2.9 (and using > HDR). Anything I should be wary of ...? > > thanks >…
Installation problem
I am attempting to upgrade an Informix installation from 7.3x on Sun 5.7 to 9.4 on Sun 5.9. When I run oninit -ivy I get the following: Creating buffer pool 200002 kbytes...succeeded Initializing rhead structure...succeeded init_alarm failed fyi: I installed a new version of IS…
Re: IDS 10 Express Edition
Note 10.00.xC3 = Enterprise Version 10.00.xC3E = Express Edition http://publib.boulder.ibm.com/infocenter/ids9help/index.jsp?topic=/com.ibm.relnotes.doc/uc3E/idse_win_release_notes_10.0.html Then click on "IBM Informix Dynamic Server Express Edition" in the right pane:…
setup Informix Dynamic Server Version 9.40.UC1E1 to linux error
I setup Informix Dynamic Server Version 9.40.UC1E1 to linux execcute oninit -ivy is failed the online.log is write /// 16:31:32 Dynamically allocated new virtual shared memory segment (size 8192KB) 16:31:32 Informix Dynamic Server Version 9.40.UC1E1 Software Serial Number AA…
error the running INSTANCIA
Hi: Cuando inicio la instancia me sale el siguiente mensaje de error.... alguna idea, se los agradecere. Me pueden dar una pista ??? saludos ============================================================= Checking group membership to determine server run modesucceeded Reading co…
error the running INSTANCIA
Hi: Cuando inicio la instancia me sale el siguiente mensaje de error.... alguna idea, se los agradecere. Me pueden dar una pista ??? saludos ============================================================= Checking group membership to determine server run modesucceeded Readin…
Re: Need help!! Sql to Informix Migration
And wich one will be the best configuration for TCP Processing, not Batch Processing.... I have increased the number os Buffers, but not the LOCKS, and also increased the number of cleaners and LRU Thank you…
How to determine optimum buffer size?
Hello, how do I (or how do you) determine the optimum buffer size (on IDS 9.40, but I think it's a generic question) ? I have a machine with almost 'unlimited' memory (96 GB RAM). Therefore I could define a large number of buffer pages. But I'm not sure if at some point the adm…
What counts sysbufhdr.reusecnt ?
Hi, I found the table sysbufhdr in the sysmaster database apparently containing information about the database buffer pages. One column has the name 'reusecnt' - does anybody know what exactly that column counts? Most entries have reusecnt=0 and I have one system (with a very la…
Re: RESIDENT and BUFFERPOOL
David E. Grove wrote: >>On Solaris the 4MB page size is used for any segment made resident, no >>matter how many there are. > > Since page size is now settable in IDS 10, does the above have any > implication on specifying a BUFFERPOOL page size? I'm no sure whether you understa…
Re: RESIDENT and BUFFERPOOL
David E. Grove wrote: >>On Solaris the 4MB page size is used for any segment made resident, no >>matter how many there are. > > Since page size is now settable in IDS 10, does the above have any > implication on specifying a BUFFERPOOL page size? I'm no sure whether you understa…
Re: Expert advice needed on Buffer management
jpierrot@chubb.com wrote: > Hi gang, His per-session buffer pool requirement calculation is completely bogus since most sessions will be sharing the use of the same pages of data and which pages are shared and which are uniquely used by a single session will differ from server t…
Expert advice needed on Buffer management
Hi gang, I received this below from the architecture Dept. trying to simulate Production like performance in QC and development envs. Assuming performance testing would be equal in all those environments if buffers are adjusted to a certain value. Please advise! My question to yo…
Expert advice needed on Buffer management
Hi gang, I received this below from the architecture Dept. trying to simulate Production like performance in QC and development envs. Assuming performance testing would be equal in all those environments if buffers are adjusted to a certain value. Please advise! My question to yo…
Checkpoint Stall problem?
Whilst searching for information on DS_HASHSIZE, I found the following, I went in search of the results and summary on CDI but couldn't find it. Two questions arise: 1) Which versions does this apply to? and 2) Does anyone know where the results are located? A search on CDI archi…
Checkpoint Stall problem?
Whilst searching for information on DS_HASHSIZE, I found the following, I went in search of the results and summary on CDI but couldn't find it. Two questions arise: 1) Which versions does this apply to? and 2) Does anyone know where the results are located? A search on CDI archi…
Informix Dynamic Server information Centre
Great new utility just posted under IDS 10 on the docs site has uses for other products and versions than just IDS 10 so take a look even if you are not using 10 yet!! http://publib.boulder.ibm.com/infocenter/ids9help/index.jsp…
IDS 10 Download?
So many questions... I have played with multiple buffer pools and different page sizes... creating a dbspace with an 8k page size..oh wow! Make size is only 16K though...oracle (where I guess this idea came from) allows 64K! onstat -h (buffer hash chain info) gives two outputs …
Cannot find message file. Check INFORMIXDIR and DBLANG.
im trying to run the oninit -i in the command prompt when the message appear... we installed... IBM Informix Dynamic Server 9.40 IBM INFORMIX-4GL Rapid Development System Version 7.32.UC2 IBM INFORMIX-4GL Version 7.32.UC2 set up sqlhosts, services, onconfig, path... but when tr…
Re: Fatal error in ADM VP at mt.c:12239
Which part of the af file shows that problem is caused by the bugs of B-tree cleaner?…
chunk capacity
we are using BM Informix Dynamic Server Version 9.40.UC2X3 on Linux Kernel 2.4.21 the command 'onstat -d' shows ... Expanded chunk capacity mode: disabled how can I change this mode to 'enabled'?…
IDS V7.30 and Windows 2000
Can Informix Dynamic Server Version 7.30.TC6 be run on a Windows 2000 host system? TIA Erwin…
problems of Inztallation's
Hi: I have problems with thle installation of IDS. Plataform: HP-UX 11.11 IDS: 7.31 FD8 I cannot initialize !!! If I want to iniciarlize via onmonitor .... the error is: shared memory not initialized for INFORMIXSERVER 'crazy_tcp If i want to inicialize vi command ..... the err…
Re: Error Initialize Informix Dynamic Server
Art S. Kagel wrote: > On Wed, 04 Aug 2004 05:05:41 -0400, madiego wrote: >>I install Informix Dynamic Server and when I initialize 'oninit -iv' : >> >>This action will initialize Informix Dynamic Server; any existing Informix >>Dynamic Server databases will NOT be accessible - Do…
Error Initialize Informix Dynamic Server
Hello, I install Informix Dynamic Server and when I initialize 'oninit -iv' : This action will initialize Informix Dynamic Server; any existing Informix Dynamic Server databases will NOT be accessible - Do you wish to continue (y/n)? y Checking group membership to determine ser…
Intitialization problem
Hi, I have a problem with IDS 7.31 on SCO 5.0.5 When trying to initialize IDS and it hangs. Here is the oninit -v command: # oninit -v Checking group membership to determine server run modesucceeded Reading configuration file '/usr/informix/etc/onconfig'...succeeded Creating …
Re: Informix Dynamic Server and DB Tuning
I am experiencing similar problems with users migrating from Standard Engine to IDS 9.30. It appears that some applications are more susceptible than others. What application(s) are you running? We also have experience of adding more BUFFERS, LOCKS, etc and not improving the sit…
RE: Informix Dynamic Server and DB Tuning
Muthana Increase BUFFERS in onconfig file. UPDATE STATISTICS for each table (as a minimum) rerun the query and see what improvements you get. If you still have problems post the results of:- onstat -p onstat -m onstat -R and sqexplain.out of any particularly slow query or updat…
Informix Dynamic Server and DB Tuning
Dear Sir, The question how can make DB Tuning for Informix Dynamic Server version 9:30 to get the query faster. I used IDS 9:30 and it's not quick enough like our old Standard Engine. which Parameter can i change to make that or what shall i do? Regards Muthana AL-Temimi…
Can IDS accessing Informix SE Tables.
Hello, Now we are using Informix SE. We are planning to go Infomix Dynamic Server 9.x. Before migrating our current applications to IDS 9.x., first we have to develop a new application in IDS 9.x, in that we need to use some of the tables from informx SE. Could you please answer…
Informix IDS problem
Hi All, When I try to start the IDS 9.40 on HP PA-RISC machine, I get the following error. If I reinstall the IDS it works properly. If I shut down & restart the database it fails with the below message.. Checking group membership to determine server run modesucceeded Reading …
Re: infx cleaners
"Mike Clark" <mike_clark@wawb.uscourts.gov> wrote in message news:40A5118E.EB6D5D07@wawb.uscourts.gov... > A while back, we were told that a sign of an ill-configured infx > instance was a number of under-utilized cleaner threads. So we've been > tracking them and normally afte…
infx cleaners
A while back, we were told that a sign of an ill-configured infx instance was a number of under-utilized cleaner threads. So we've been tracking them and normally after a restart they all get busy. Now, however, cleaners_5e738500: 23443 cleaners_5e7389ec: 72185 cleaners_5e738…
RE: Clearing Buffer Pool
Informix (unlike MS SQL) keeps all pages in the buffer pool 'forever' - until page becames replaced by another page... ------------------------------------------ Alexey Sonkin > From: Dave Griffen [mailto:dgriffen@nospam.finishline.com] > > I do mean to remove all non essential…
RE: Clearing Buffer Pool
To clear the buffer pool from dirty pages, generate a chackpoint with 'onmode -c' If You mean to remove all pages from it, then it's impossible. ------------------------------------------ Alexey Sonkin > -----Original Message----- > > Does anyone know if there is a way to clea…
Clearing Buffer Pool
Does anyone know if there is a way to clear the buffer pool without bouncing the engine?…
Re: BUFFERS! Arghhh!!! Please help before I do something silly!
I don't know what rule or recommendation are you following but if I increase buffers I would increase LRUS to spread buffers along LRUS. If you keep the same value for buffers and increase LRUS you 'll decrease the number of buffer per LRU. esteban.- "David Williams" <djw@smoot…
Re: BUFFERS! Arghhh!!! Please help before I do something silly!
"sumGirl" <emebohw@netscape.net> wrote in message news:a5e13cff.0404290943.71aa323@posting.google.com... > > CLEANERS and LRUS seem to be sufficient without more info. How many chunks > > do you have? Set CLEANERS to at least 1.5*#chunks plus a few, if the 84 is > > more than t…
Re: BUFFERS! Arghhh!!! Please help before I do something silly!
Thanks for the info all...I made the change and no fires this morning. I did however notice that my checkpoints increased from around 4 seconds to 10 seconds. I know Art specifically mentioned that this might happen, amongst other folks, so I was wondering what I should tweak fir…
Dose anybody have the dbtop script in the Troubleshooting informix course?
Dears, I study the Troubleshooting ibm informix dynamic server course. At the module 4 exercise need the dbtop script. Dose anybody has this dbtop script and post for me? Thanks. Philip Yeh.…
Work group edition - Unlimited edition??
Taken from IBM web site:- =========================================================================== The following Informix Dynamic Server Workgroup Unlimited editions have been added to the IBM Data Management Gold Transaction Processing Bundle for SMB Unlimited: IBM Informix…
Performance is getting worst after turn on the LRUAGE
On Sun, 28 Mar 2004 22:40:01 -0500, miyaki wrote: Other is usually 'unused pages'. Look at the top of the onstat -P report. On the line for address zero (0), is the value under Other very large? Those are unused buffer pages, ie no data pages have been loaded into them. There…
Re: [Informix Dynamic Server (IDS):] Digest 2671
For a course in the US, check out: http://www-306.ibm.com/services/learning/ites.wss?pageType=course_description&co urseCode=L1760&country=us&language=en (IBM course L1760). There is probably a similar course offered in Europe somewhere. Hope this helps. Kevin Doiron Toronto,…
Re: Buffers and LRU.
Madison, the standard interpretation of LRU is Least Recently Used. The standard usage of such a queue is as follows: Each queue has an MRU (Most Recently Used) end and an LRU end. When a buffer is touched (either read or written) it is moved to the MRU end of the queue. When a…
Re: Transaction support in informix dynamic server(IDS)
chaithra wrote: > i wanted to know, if in IDS we can get to know the status of a > transaction at any given time. or once any transaction commits or > rollsback we should be able to know the status. > is it possible through c++ interface provided by the IDS. I'm not quite s…
Transaction support in informix dynamic server(IDS)
hi all, i wanted to know, if in IDS we can get to know the status of a transaction at any given time. or once any transaction commits or rollsback we should be able to know the status. is it possible through c++ interface provided by the IDS. thanx in advace chaithra…
Buffers and LRU.
The buffer pool is the page cache of the engine. The LRUs are simply a means of chaining the buffers together. There are two chains per LRU - the free and the dirty. (Actually a free buffer has a page in it, but it is not dirty.) There are multiple LRUs so that if a thread tri…
configure computer for using informix
what shell I do to make my computer work with informix. I have installed winXP on my computer, informix 4 i informix dynamic server? THANKS…
Where can I get the client API?
Hi, does anyone knows where to get the client API for Informix Dynamic Server 7.x? Perhaps we want to access the server via api directly. Kind regards, Joachim Engel.…
Informix optimizer
Hi, Does anyone know if the Informix Dynamic Server (7.31 or 9.4) database optimizer uses star schema optimizer techniques? Thank you, Tony…
TRUNCATE TABLE command in 9.3?
I am aware that Informix Dynamic Server previously has not included the TRUNCATE TABLE command. Does anyone know if 9.3 or 9.4 include this command?…
Linux fgl_getenv
Informix Dynamic Server Version 9.30.UC3 on Linux. Do I have to do something before I can use the fgl_getenv call in a stored procedure? When I try I get 674: Routine (fgl_getenv) can not be resolved.…
Re: Why is my server not starting up ??
Jack A wrote: > These are the last few lines of the oninit -v command. There is on > reference to database partion in any of the manuals. Any one has any ideas > ? > > Initialize Async Log Flusher...succeeded > Forking btree cleaner...succeeded > Initializing DBSPACETEMP list > …
Re: B-tree cleaners
Hi, Before to begin I would like to thank Alexey Sonkin, William - Spookey - and Norbert for their reply and all people who have tried to help me. Thanks again. For your information, This is what I have learned and the answers to my question : There is only 1 btree cleaner th…
B-tree cleaners
Hi, Does someone know a mean which permit me to associate an or several index to a specific b-tree cleaner ? Thanks a lot in advance for your answers. Best Regards Fred…
Re: UPDATE STATISTICS
Hi, everybody, If any column included into 'update statistics low' list has an index on it then server makes full index scan. This scan: 1. Makes b-tree cleaning of pages, that were not cleaned before last server shutdown (btree cleaner keeps its list in memory, and, when t…
WHY index can corrupted???
miyaki wrote: > Anybody knows the reason that may cause the index > corruption??? BUG, hardware problem, or maybe a BTREE cleaner abort due to some system failure (which will probably a BUG anyway). Regards.…
RE: Dynamic Server versus Universal Server ??
Originally, Version 7.x was called 'Informix Dynamic Server', Version 9.0x was called 'Universal server' Starting with 9.1, Universal server became 'Dynamic server with Universal data option'. With 9.2, new names 'Internet Foundation 2000 ' and 'Dynamic server 2000' ware given…
Informix Dynamic Server 2000 startup problem
Hi, While starting up informix in multi user mode , we wait for the database to come up by checking the onstat - o/p . But if the system is loaded, even after onstat shows status as online , the connection is rejected by the database . The wait loop that we do is as follow…
why I can't see the output of "onstat -g wts"
test:/informix>onstat -g wst Informix Dynamic Server 2000 Version 9.21.FC7 -- On-Line -- Up 5 days 13:23:03 -- 11132960 Kbytes Wait statistics not enabled How to enable the wait statistics???…
informix SDK 2.81 ifxoledbc OLEDB and ADO
When Updating or deleting a non existing row in a table, the informix oledb provider produces an "UnSpecified error". Environment: Informix Dynamic Server 7.31 Informix SDK 2.81 ADO 2.6 Any help will be appreciated. Thanks in advance…
checkpoints
Hi, i am working with IDS9.30UC2 on solaris 8. I have to optimize checkpoints duration. What is the writing sequence during a checkpoint ? Does Informix write on disks sorted by chunk number or sorted by dbspace and chunk number ? i have to know that because i would like to p…
regarding concept of physical logging??
hello, i have a serious confusion regarding tha concept of physical logging, this might sound silly for an expert kindly bear with me and explain.. according to what the book says.. physical logbuffer contains the before images of the data that taken from disk for modification..…
RE: what is light scan and look aside??
All of these 'advanced' questions. Are you retreading from some other vendor? You should consider a course. Light Scan: Normally when you read a table, you go through the buffer pool. That is your row is retrieved from disk, stuck into a buffer, an LRU entry is made to track…
FW: LRU's and CLEANERS (IDS 9.21FC1)
Thanks for the input Christian. I just still have to be convinced about this one. I think your suggestion is also in line with what the manual says, however I've heard of a lot of people having 128 LRUS on only a couple of cpus. In a previous post by Art Kagel (Wed 11/29/2…
LRU's and CLEANERS (IDS 9.21FC1)
"Dirk Moolman" <dirkm@reach.co.za> wrote in message news:95dohr$onl$1@news.xmission.com... > > The manual says the following about LRU's and CLEANERS > > To monitor the percentage of dirty pages in LRU queues, use the onstat -R > command. When the number of dirty pages consistent…
LRU,cleaner and buffer
How can I be sure that the number of cleaners are sufficient?Do I have to increase the number of cleaners when I increase buffer from 50000 to 100000?Do the #of cleaners have to be greater than # of LRUs?What is the scale?What should I check to see that cleaners are not sufficien…
BTR
Art, In your email of 29th Nov 2000 regarding number of BUFFERS, CLEANERS etc. you make reference to BTR being "very bad". I've not heard of this calculation. What value is considered good ?? and what does it stand for ?? Earle…
Re: Page cleaners and raids
Andrew Hamm wrote: > > Mark D. Stock wrote in message <91bm23$d5q$1@news.xmission.com>... > > > >Andrew Hamm wrote: > >> > >> On that subject, (and sorry to diverge from what you may understand, > Debbie) > >> can someone clear up a question I've been wanting to ask? With the > >…
Re: Page cleaners and raids
Andrew Hamm wrote: > > On that subject, (and sorry to diverge from what you may understand, Debbie) > can someone clear up a question I've been wanting to ask? With the > split-reads offered by Informix mirroring, does it split the addresses thru > the middle of the total chunk s…
Page cleaners and raids
Hi Y'all, We are running Online v5.10 and our data is stored on RAID 1 Can someone tell me whether the number of page cleaners is significant in a Raid environment.and I know standard advice is to move the locical logs out of the root db space, but again, does this make any diff…
Re: CLEANERS
hanna_shaw@my-deja.com wrote in message <915m0p$m3j$1@nnrp1.deja.com>... >Andrew, will 'pfread' add much workload to disks? Is it usually used >for setting up a production box at the beginning? I'm thinking that >maybe it's not suitable for a running production box. It's absolut…
Re: CLEANERS
A little proofreading for you! Look below! "Andrew Hamm" <ahamm@sanderson.net.au> wrote in message news:3a308a0c@news.iprimus.com.au... > By the way, I've just noticed, pread should be called pfread and pwrite > pfwrite. Please make the mental substitutions. > D'Oh! Why doesn't …
RE: CLEANERS
From: Barry Tomlinson <Barry.Tomlinson@singlepointsolutions.co.uk> > >I am not aware of pwrite > >can you point me in the right direction Sure. Go on a Performance Tuning course. _____________________________________________________________________________________ Get more from…
RE: CLEANERS
I am not aware of pwrite can you point me in the right direction Cheers Barry > -----Original Message----- > From: Andrew Hamm [SMTP:ahamm@sanderson.net.au] > Sent: 07 December 2000 00:22 > To: informix-list@iiug.org > Subject: Re: CLEANERS > > hanna_shaw@my-deja.com wrote in…
Re: CLEANERS
hanna_shaw@my-deja.com wrote in message <90gti5$gso$1@nnrp1.deja.com>... >Hi, > >I only increased 'CLEANERS' from 64 to 128 and restarted the informix >server. I got the following warning message in log file: > >Is it serious message? What should I do? Change CLEANERS back to 64?…
Re: CLEANERS
hanna_shaw@my-deja.com schrieb: > > Hi, > > I only increased 'CLEANERS' from 64 to 128 and restarted the informix > server. I got the following warning message in log file: > > 00:42:53 WARNING! Physical Log size 0 is too small. > Physical Log overflows may occur durin…
CLEANERS
Hi, I only increased 'CLEANERS' from 64 to 128 and restarted the informix server. I got the following warning message in log file: 00:42:53 WARNING! Physical Log size 0 is too small. Physical Log overflows may occur during peak activity. Recommended minimum…
What requires an IDS Linux?
Hello What requires an Informix Dynamic Server Linux a desktop and/or a network version of Linux? Thanks in advance Jacqueline Romero Miranda…
LRUS, CLEANERS, BUFFERS and # of disks (dbspaces)
I doubled BUFFERS on system because I noticed that BTR=bufwaits*100/(pagreads+bufwrits) is very bad. But there is no changes in BTR. I think that problem is in LRU queues. Is it possible to say what is the best number of LRUS and CLEANERS? Does it depend on number of disks and/…
Informix v Oracle
Hi Is there a function in Informix Dynamic Server 2000 that is like Oracles CREATE SEQUENCE that uses NEXTVAL/CURVAL and %ROWCOUNT, ect? Thanks for all contributions Jordan jbruce@asaglobalserv.com…
Re: Omniback/back-up managers
> I hate ironying - that's what dry cleaners are for Don't you mean " ... that's what women are for"?…
Retrieving product name
Hi all, Is their a system table somewhere on an informix server that stores the product name. For example 'Select owner from systables where tabname = � VERSION� will return the version of the server. I would like to be able to tell if a server is a Universal server or a Dynamic …
Re: checkpoint problem
> NUMAIOVPS 2 # Number of IO vps A newbee observation, NUMAIOVPS is too small, compared to the number of CLEANERS of 127. Thanh Sent via Deja.com http://www.deja.com/ Before you buy.…
IDS 7.3x on Win2000?
Does Informix Online Dynamic Server 7.3x runs on Windows 2000 (Professional)? Thanks for your help. Guy Dillen…
Re: How to search for a string in a TEXT field
Hi, :-( SELECT name, REPLACE(text,"ZNOTREADY","found") AS your_output FROM tablewithtextfield; Blobs are not allowed in this expression. I use Informix Dynamic Server Version 7.31.UC2A…
Re: How to improve bufwaits ratio?
From: JasonYLPang@pg.SLR.com > >I found that my current bufwaits ratio was around 28% which is more than >7%. >How to improve it? More LRUS (and CLEANERS) ________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at h…
Re: Performance problems with large SELECTS in 7.3x ?
Stefan Weideneder wrote: > > Hi, > > I tried to select some pages of a table that was a bit larger > than my buffer pool. I estimated that my statement will take > about 5 seconds but it took 12 seconds. > I found out, that the server spent approx. 7 seconds for > "buffer waits".…
Create user in Informix Dynamic Server
Hello all I`m new in INS. Could you help me? I have Database server with one user Informix. How to create another user to Database?…
Informix ODS on Win 2000?
Does Informix Dynamic Server V7.31.TC5 for Intel Pentium Windows NT 4 also run on Windows 2000? Thanks for any help. Guy Dillen ITP…
Re: 'Phantom' connections?
Those are your PAGE CLEANER threads. Zandy Got questions? Get answers over the phone at Keen.com. Up to 100 minutes free! http://www.keen.com…
Number of LRUs, Cleaners & Buffers
I'm running informix 7.30 UC6 on a 4cpu Server (the engine is db- and app-server, 3 cpus are affinated, AFF_NPROCS=3), acutally I have 8 LRU-Queues and 4 cleaners. In a statement from Art S.Kagel I read that "If bufwaits exceeds 7% of (pagreads + bufwrits) you are probably suffer…
Re: Warning in message log after tuning CLEANERS
"Bernstein, Rick" wrote: > > The messages should disappear if you set CLEANERS and LRUS to 127. > Art Kagel has posted that those warnings are erroneously generated > in some Informix versions. In fact it is the CLEANERS parameter that causes this. You can leave LRUS at 128 if y…
Informix cost???
Someone can said how much does Informix cost? I need to know: -Informix costs -cost for client Thanks very much. I need the last version of dynamic server for Unix. Ciao, Berna…
What's the impact if CLEANERS >= LRUS ?
As he subject says. thanx…
Replication
Hello everybody. I would like to know if it is possible to replicate an Informix database between a UNIX-based 7.32UC2 Informix Dynamic Server and an linux-based IDS2000 without problems. Thanks in advance. jhernandez@geuropa.com…
LRU, Cleaners and num disks
Hi, Does some one out in informix land have a magic formula of working out what the raito of LRU's and cleaners should be? Is is dependant on the number of disks? I read that there should be one cleaner per disk but they should not exceed 50 - this seems a little over the top.…
Re: How do I check LRU contention - onstat -g spi ????
On Tue, 11 Apr 2000 13:30:59 -0400, "Art S. Kagel" <kagel@bloomberg.net> wrote: >bothwellno@spam.duke.edu wrote: > >> Art S. Kagel & Family <kagel@erols.com> wrote: >> : InfoJones wrote: >> : [output SNIPPED] >> >> : To determine whether buffer contention or LRU contention is in…
Re: How do I check LRU contention - onstat -g spi ????
bothwellno@spam.duke.edu wrote: > Art S. Kagel & Family <kagel@erols.com> wrote: > : InfoJones wrote: > : [output SNIPPED] > > : To determine whether buffer contention or LRU contention is involved > : try to calculate your buffer turnover rate: > > : Buffer Turnovers = (dskread…
dynamic server with Informix distant database
We have this problem : - write of a html page (this pages will contain many many fields). - Receiving of the page data on a http server based on a M1 machine. - Using of 4gl/informix programs based on the M2 machine with the pages data - 4GL programs will set up a � result � tabl…
HELP! Informix Dynamic Server 7.3
I'm trying to install a new IDS on Linux (RedHat 6.1) on a cooked file. Everything looks right, but upon oninit, I receive the following: oninit: Cannot open chunk '/u1/naf_chunk'. errno = 2 oninit: Fatal error in shared memory initialization Log reflects: 09:11:07 Informi…
Re: How do I check LRU contention - onstat -g spi ????
Art S. Kagel & Family <kagel@erols.com> wrote: : InfoJones wrote: : [output SNIPPED] : To determine whether buffer contention or LRU contention is involved : try to calculate your buffer turnover rate: : Buffer Turnovers = (dskreads + bufwrits) / BUFFERS : BTR = (Buffer Turnove…
UDR Support in Informix Dynamic Server.
Can someone tell me what exact version of Informix Dynamic Server that first supported C User Defined Routines. I've tried searching for this on their website with no joy. (their advanced search doesnt work at all !) Rgds, Peter. Sent via Deja.com http://www.deja.com/ Before y…
onstat -d question
When running onstat -d we often see the "1001" value under "flags". It goes away after a short time. I can't find anything in the doc's but I assume it might be cleaners working Anyone know for sure?…
OFFICE Connect V.1
Informix Office Connect, Version 1.0, is compatible with the following Informix servers: Informix Dynamic Server, Version 7.3 or later Informix Dynamic Server with Universal Data Option, Version 9.14 Informix Dynamic Server 2000, Version 9.2 or later e Informix-SE 7.23 n�o func…
System catalogue
Hello! Can anybody explain me how I can create trigger on "informix".systables? (The server I deal with is Informix Online Dynamic Server 7.3.) Max…
Can the BTree cleaner thread block a user transaction? -Help
Now that I've posted it, I think the more appropriate title should be: Can the BTree Cleaner Thread block a user thread from getting an exclusive lock on the table? thanks, Lyzander * Sent from RemarQ http://www.remarq.com The Internet's Discussion Network * The fastest and e…
Compatability between Informix products
Hi, I need some version compatability information for the following products. Hardware Platform: Hewlett Packard OS Platform: HP-UX version 10.20 Informix s/w: Informix Universal Server 9.20 Informix Dynamic Server 7.31 Informix Gateway to DRDA vers…
RE: checkpoints taking as much as 25 secs
Scott Huppert wrote: > > It's logical that turning the entire buffer pool every 10 minutes is > probably bad, but what is a reasonable time frame? Is there any rule of > thumb? On a busy server that is NOT primarily a DSS/DW server I'd like to see the buffer pool turnover rate …
Re: checkpoints taking as much as 25 secs
Hi Tam, try to increase CLEANERS in ONCONFIG (6 -> 10), and decrease LRU_MAX_DIRTY and LRU_MIN_DIRTY, and also the range of them. Example: LRU_MAX_DIRTY 10 LRU_MIN_DIRTY 8 But I think if you have the most checkpoints under 10 seconds it is OK. R…
informix dynamic server on linux help
Hi all, I am an informix newbie, and i have problems running it on redhat linux 6.0. The installation went just fine, but now when i start dbaccess and try to create a new database i get this error message: 25584: Network driver can not access server program /opt/informix/lib/sq…
Informix Dynamic Server on IBM SSA
Can any one share their experiences, recommendations, pit-falls, comments about creating an IDS db engineOLTP environment on an IBM SSA Raid system? We have 2 SSA adapters and have 4 loops with 4 drives each. The IBM techs for the Smoothstart services will be coming next Tuesday…
ovbuff vs. fgwrites question
Bobby Medus <jeepin@eatmydirt.com> wrote in message news:382C304D.90240C61@texas.net... > This may be a stupid question but you know the old saying..... > > I noticed an increase in 'ovbuff' on the onstat -p. This is a very > small database running on NT and so I increased my b…
Please help me!
Hello! 1, Can somebody give me information, what is the new features for Version 7.24 of Informix Dynamic Server according to Version 7.20 of Informix Dynamic Server? 2, Are Version 7.20 of Informix Dynamic Server and 7.20 INFORMIX-ESQL/C 2000 Year Compatible? 3, W…
Re: installing Informix dynamic server
From: "Joerg_Mauz@abs.org" <Joerg_Mauz@abs.org> > Is there something wrong the the gateway, Hotmail or are there just loads of idiots posting today. (Apart from me, that is! :-) ______________________________________________________ Get Your Private, Free Email at http://www.hot…
installing Informix dynamic server
hi all, can anybody give me an URL where to find a good description of how to setup and install an Informix Dynamic Server with using RedHat Linux ??? I've searched a whole day but founf nothing useful.. :( thx ind advance joerg…
Help! Cant start database service
Hello All I had my informix dynamic server (7.3) running fine till a few days back. Now the dynamic server service and the informix messenger service won't start automatically and if I try to start the server, it does start but I'm unable to connect to it. If I try to start the…
Informix Online Dynamic Server DBA Book
Hello Could anyone recommend a good Informix Online Dynamic Server book. I did a search in Amazon.com but I could not decide on which one to choose. Thanks in advance. Ajay…
pricing for informix info?
Hello, Was wondering what other people out there paid for informix dynamic server 7.3... Basically, i wanted to know if they had a web server licensing schem like microsoft. or ibm's db2 (per cpu license). and would the licenses be transferable if I decided to move from le…
Page cleaner configuration
I have heard that you should set the CLEANERS configuration variable equal to the LRUS variable. I have also heard that you should set CLEANERS equal to the number of chunks in the instance. Which is it?…
Re: Determining version dynamically
Hi, If you have Informix Dynamic Server then use the following sql-statement ' select DBINFO('version', 'full') from systables where tabid = 1' result from the sql is : Informix Dynamic Server Version 7.30.UC5 Take a look in Informix Guide to SQL: Syntax for more about DBINFO…
KAIO: out of OS resources error
Hi~ My informix dynamic server write "KAIO: out of OS resources error .." in online.log. This error log is written during ontape task. How can I solve this problem? platfom : SunOs 5.5.1 Informix Dynamic Server 7.24 uc6 Thanks.…
Re: LRUs and Cleaners
Doug Agnew wrote: > > One of the comments made during the performance tuning presentation at SP99 > has left me with a small question. The comment was to the effect that a > good target value for LRUs was 1 LRU for every 750 buffers. That I > understand, and it seems the intent…
LRUs and Cleaners
One of the comments made during the performance tuning presentation at SP99 has left me with a small question. The comment was to the effect that a good target value for LRUs was 1 LRU for every 750 buffers. That I understand, and it seems the intention is to reduce the time re…
64bit IDS for Solaris 7/SPARC ?
Is there a 64bit Informix Dynamic Server 7.3x for Solaris 7/SPARC available? tia, joerg…
Posting from the Informix-list
what is the last version of Informix Dynamic Server for HP-UX 10.20, where can i find more Information about this.…
Latest versions for various Informix products ???
Which are the latest versions for Informix Dynamic Server Informix Dynamic Server, Workgroup Edition Informix 4GL Informix SQL on Solaris 7/SPARC ? Where can I find such informations on Informix's website ? tia, joerg…
cdr command line utility in informix 7.24
Hi, Is there a cdr command line utility in informix dynamic server 7.24? I tried to locate it, but the executable is nowhere to find. Thanks, Lu…
Problem Installing Informix Dynamic Server
I downloaded a Try&Buy version of Informix Dynamic Server V7.30 for NT. I installed it on an NT Server. The install seemed to go ok, but after a short time of investigating IECC, I got a blue screen. After this when I started the Command Center, a task seemed to start, but it w…
Re: performance turning help
> My Informix seen to run slow and not taking > full CPU resource. I would ppreciate any help I can get on this problem. See recomendations for NOAGE param. > NOAGE 0 # Process aging Set to 1. It's critical for processes priority. > NUMAIOVPS 1 …
Problems starting IDS 7.30.TC7 on Windows NT SP4.
When i try to start informix dynamic Server, the following message appears "Only informix user can start informix dynamic server" this message appears when i logged on with the informix's user. When i try to start the service on the control panel , error 2140 appears.…
Re: Out of buffer?
On Wed, 26 May 1999, Mark D. Stock wrote: > Xavier wrote: > > > > Hi, > > > > I got the following error message from an Informix IDS 7.30: > > > > <<Informix Dynamic Server>>> WARNING! Buffer pool size may cause > > Dynamic Server to get into > > a locked state…
Re: Out of buffer?
Xavier wrote: > > Hi, > > I got the following error message from an Informix IDS 7.30: > > <<Informix Dynamic Server>>> WARNING! Buffer pool size may cause > Dynamic Server to get into > a locked state. Recommended minimum buffer pool size is > 4 time…
Out of buffer?
Hi, I got the following error message from an Informix IDS 7.30: <<Informix Dynamic Server>>> WARNING! Buffer pool size may cause Dynamic Server to get into a locked state. Recommended minimum buffer pool size is 4 times maximum concurrent user thre…
Re: tuning checkpoint duration
7.3x page cleaner introversion (my description, not Informix'--they don't visit the LRUs as often as they did in 7.2x) has recently been acknowledged as bug number 110622. In article <37307383.3749F2AD@computer.org>, Jay Walters <jwalters@computer.org> wrote: >Following up - d…
Lazy Page Cleaners; Was: tuning checkpoint duration
I guess nobody heard us ... In article <7gm2v8$g1r$1@nnrp1.dejanews.com>, ralph.halter@pac.panmail.com wrote: > In a performance tuning class working with IDS 7.30 we had the impression that > the LRU_MIN/MAX parameters were not adapted for use with the redesigned new > classe…
tuning checkpoint duration
I have also observed this kind of behavior on IDS 7.24UC7 on Solaris. I've got 200,000 buffers, 5 CPU VPS, 20 LRUS, 20 Page Cleaners, LRU MAX 15, LRU MIN 10, lots of disks. I've seen my LRU queues reach as high as 100% with only a few cleaners doing their job. This resulted to fo…
Linux VS NT4.0
Hi, Is it true that Informix Dynamic Server workgroup edition 7.30 is ported for Linux, and if it is so does anyone can tell me what to chose between Linux and NT4.0 for running Informix Dynamic Server workgroup edition 7.30. Also I'd like to know for which version of Linux, Inf…
Re: Checkpoints - a mystery
Sean Kelsey wrote: > > Sorry if I have already posted this once already...we are having problems > with our news server... > > HP-UX 10.20 running IDS 7.24.UC5 > > We have been having isolated problems with checkpoints - see below. During > the lengthy checkpoints, obviously no u…
Cleaners
Please forgive me if this is posted twice ----------------- Online 7.24UC3 Solaris 2.5.1 Given that Cleaners are assigned to chunks in the order that the chunks are created (and I don't know the order) how can I determine which cleaner from onstat -F) is assined to which chunk? …
Checkpoints - a mystery
You only have one page cleaner (CLEANERS 1 in the $ONCONFIG file). Set this between 1 and 2 cleaners per chunk. Also use fragmentation to balance I/O among multiple chunks residing on different physical devices.…
Re: Need Help about Page Cleaner Time Out
As you are doing a load, there are too much work to be done by the cleaners, they try to clean the dirty pages but the load generates more work and so the cleaners couldn't clean a LRU at the specified time (2 min). To avoid it you could issue checkpoints more often when you are…
Need Help about Page Cleaner Time Out
Hi All- I am running Informix 5.10 on Solaris 2.6. I created new instance and while loading data with either dbimport or tbload my informix log shows that 15:31:04 On-Line Mode 15:54:26 ERROR: page cleaner # 2 has timed out 15:56:19 ERROR: page cleaner # 3 has timed out 15:5…
Re: RESIDENT and PDQ
Chuck Renaud wrote in message <7ddp91$hpf$1@news.xmission.com>... > >As for light scans--those only happen if the table being read is >larger than the buffer pool. So if you max out your buffers, you >won't get light scans unless they're huge tables... So, would this mean that …
Re: Chunk writes
The server assigns page cleaner threads to a particular chunk in the database in the order the chunks were defined. In order to ensure they work on different disks, create chunks in the order you want the cleaners to be assigned. This is from the Informix training manual for "S…
Starting Informix Dynamic Server !
Hi Gurus, Just wondering is there any difference in starting the informix engine as root user versus as Informix user. ? The reason why I ask this question is , the IDS 7.23 UC6 on HP-UX 10.2 crashes due to a bug (declared as bug by Informix Technical support)when we start in…
Informix Dynamic Server Archive/Restore
Hello All: We have a large scale Informix DB resident on an HP 9000, K460, with AutoRaid Disk Subsystem (218gb). And we are running IDS 7.30. Currently, we are using the Informix ontape archive/restore utility to archive the DB and to perform continuous logical logging. We u…
Any one know this?
Hi folks: Is there a script that can check informix on-line dynamic server is up and running or not? If not it will e-mail a note to D.B.A. groups Thanks in advance Garry…
Delete
Hi. I've a question. When execute a delete by where on field not indexes, it sequential scan table' s page. Before to delete records, it casche pages in buffer pool ? Tank you.…
Re: Buffer Waits
> hmm, could you go into a bit detail on the light-scan? I have a DSS system > but I am not sure how to make it use light scan. I read something on the > book about it, but it wasn't very clear on exactly how to utilize it or > how to check it. thanks yan Here's some more inform…
converting Informix Online 5.1 esql/c to Dynamic Server esql/c?
Hi converting Informix Online 5.1 esql/c to Dynamic Server esql/c? What is the easiest way to do this? Is there a parser that could do this? edward…
RAID Technolgy
We are using Informix Online Dynamic Server 7.2. We are going in for a new DEC UNIX Server with RAID Technolgy. It incorporates mirroring at the hardware level. So is it not necessary to do mirroring using Informix?. Can anybody give suggestions regarding mirroring and other feat…
Online Performance Tuning
In article <36B06F8A.357@bju.edu>, dmcnight@bju.edu (Dave McNight) wrote: > I would like to get a better handle on Online Performance tuning. We > are running 7.3. We have a copy of "Informix-Online Performance Tuning" > by Elizabeth Suto the first edition. I noticed that the se…
Informix on Linux
Does anybody know how much a copy of Informix Dynamic Server would run me for use on Linux?? Thanks in advance -steve…
Upgrade Dynamic Server 7.13 - 7.24
I need to upgrade Informix Dynamic Server version 7.13 to version 7.24. Can anyone advise of any problems they may have had whilst doing this?…
page cleaner timeout
Hi, OnLine 5.10, HP-UX 10.20, there is in turbo.log following: ... ERROR: page cleaner #1 has timeout ... and one of tbinit processes disappears. We use 3 cleaners and if one fell down, it seems the checkpoint is very slow ... What can cause timeout of page cleaner ? Does it m…
Informix Dynamic Server 7.31?
Is any information available regarding the release of IDS 7.31 for Unix? We have Sun E3000 and E4000 machines and are experiencing problems with both 7.30.UC3 and 7.30.UC5 and are curious about 7.31. Thanks. Carleen Avant Naval Safety Center Internet < cavant@safecen.navy.mil …
STRING FUNCTIONS
Are there functions for manipulating varchar type, like upper() or lower() in Informix Online Dynamic Server 7.2? Thanks in advance.…
Netscape Enterprise Connection for Informix Dynamic Server
Hi: Does anyone know the procedure for setting up a Netscape Enterprise Server to connect to an Informix Dynamic server on a remote machine? Michael…
oninit: shared library problem
I'm having problems when initialising the DB using oninit. Config: INFORMIX Dynamic Server Ver 7.23, on a UNISYS-UNIX SVR4. When Initializing, I get the error ...dynamic linker: oninit: symbol not found: gettimeofday The LD_LIBRARY_PATH is set to $INFORMIXDIR/bin and �INFORMIXDIR…
Initi DB
I'm having problems when initialising the DB. Config: INFORMIX Dynamic Server Ver 7.23, on a UNISYS-UNIX SVR4. When Initializing, I get the error ...dynamic linker: oninit: symbol not found: gettimeofday The LD_LIBRARY_PATH is set to $INFORMIXDIR/bin and �INFORMIXDIR/esql help wo…
Index on Informix Online 7.22 ?
I have installed a new Informix Online Dynamic Server 7.22UC3 on our server (HP-UX 10.20). I find it is much much slower than the Informix 7.12 Online DS server if I do not create index for a same program. Why and what is the difference between the two version of Dynamic serv…
Re: esqlvers statement.....results are different on 2 DB servers ???
Tim Jones wrote: > > I've installed Informix 7.30UC3 with the ClientSDK 2.01 software on 2 > servers. Let's call them Server A and B. > > Both A and B had a prior ESQL/C versions. > > After the install, logged in as informix userid on A and ran "esqlvers" > and got this : > I…
esqlvers statement.....results are different on 2 DB servers ???
I've installed Informix 7.30UC3 with the ClientSDK 2.01 software on 2 servers. Let's call them Server A and B. Both A and B had a prior ESQL/C versions. After the install, logged in as informix userid on A and ran "esqlvers" and got this : INFORMIX-ESQL Version 7.22.UC1 …
ERROR Page Cleaners has timed out
Hi all, every time I start INF Online 5.08 UD1 (SINIX 5.44 B0033) the two page cleaners timed out. The ONLINE is running well, and I don't know what's wrong ? any ideas? online.log 16:04:41 Shutdown Mode 16:04:41 Quiescent Mode 16:04:49 On-Line Mode 16:11:52 ERROR: page clea…
Informix Dynamic Server Personal Edition
What development apps are known to work with IDS-PE for 95? Infrmx wants to sell me licenses for Dynamic 4gl, esql-c, ddvb for 150usd. Do these work and are there others? 150 sounds ok but the catch is is that the Open-Line Support is outrageous for this (3K usd for unlim. suppor…
Will informix 7.24.uc5 compatiable with solaris 7?
Hi there, I was wondering if Informix Dynamic Server 7.24.uc.5 will be compatiable with solaris 7 when it comes out? Thanks advance, Pat Militzer pmilitzer@ultracom.com…
Informix Online Dynamic Server 7.2.2
When I try to iniailize the shared memory I get an error "oninit: Critical error initializing shared memory" I checked the log and it says the base memory address is 0x80080000 and should be 0x80400000 when I change it it reverses. this is on a SCO open server 5. nay ideas.…
page cleaners
pag…
Re: Page cleaners & LRU contention...
In article <362F4074.C8744205@aethos.co.uk>, Graham Mitchell <graham.mitchell@aethos.co.uk> writes >Hi guys and gals, > ( On HP-UX 10.20 K-Series 6 CPU ODS 7.24UD6) > > I recently upped the number of page cleaners on a > real time system with 16 chunks from 8 to 16. > > ( …
Informix Dynamic Server on Linux NOW!
Check out the Informix WEB Site. There is an announcement that IDS 7.3 is shipping on Linux TODAY! http://www.informix.com/ Art S. Kagel…
Page cleaners & LRU contention...
Hi guys and gals, ( On HP-UX 10.20 K-Series 6 CPU ODS 7.24UD6) I recently upped the number of page cleaners on a real time system with 16 chunks from 8 to 16. ( it seemed like a good idea ) It had 8 LRU queues LRUMAX/MIN at 8 and 4 and 30,000 BUFERS . i.e a ma…
Problem installing to NT4.0 server
I'm trying to install Informix dynamic server workgroup edition to Primary domain Nt 4.0 Server. I have created Informix-Admin group and Informix account and grant it all Administrators rights and also Domain administrator rights. The server setup runs ok, but when setup is tryi…
Re: Best database for web backend on Linux?
On Wed, 21 Oct 1998 13:03:49 +0000, Evan Carew <ecarew@yahoo.com> wrote: >Simply put, The main reason I have selected Sybase over Oracle in the >recent past has to do with cache management. In every case, if >you try to use Oracle stored procedures in the same environment with >…
Deployment Licenses of Informix Dynamic Server
I need a free Deployment Licenses of Informix Dynamic Server!…
Re: Informix Dynamic Server blocks
In article <3609EB18.2AB1B1CD@bull.net>, Helmut Leininger <Helmut.Leininger@bull.net> writes >Hi, > >Sporadically, the Informix server seems to block (every try to connect >or onstat times out and no reaction on onmode -ky). In the MSGPATH I >find the following message: > >09:03:…
Informix Dynamic Server blocks
Hi, Sporadically, the Informix server seems to block (every try to connect or onstat times out and no reaction on onmode -ky). In the MSGPATH I find the following message: 09:03:42 mt.c, line 8362, thread 2139, proc id 17096, mt_notifyvp timed out. Informix server is 7.22.UC2…
Informix Dynamic Server blocks
Hi, Sporadically, the Informix server seems to block (every try to connect or onstat times out and no reaction on onmode -ky). In the MSGPATH I find the following message: 09:03:42 mt.c, line 8362, thread 2139, proc id 17096, mt_notifyvp timed out. Informix server is 7.22.UC2…
Re: Page cleaners
jasonharris@my-dejanews.com wrote: > > All, > > I have one question about page cleaners. As they run on CPU VP threads what is > the value in having more page cleaners that CPU VP threads? You need to look at a number of concepts to answer that. None of which I'm going to detail…
Re: Page Cleaner in ONCONFIG
Wu, The Page cleaners job is to flush dirty buffers to the disk. If you look in the Informix manual, then recommend 1 page cleaner per physical device per controller. Obviously, Informix hasn't looked at the real world, with disk striping and RAID-5. The rule of thumb that I …
Re: Page cleaners
All, I have one question about page cleaners. As they run on CPU VP threads what is the value in having more page cleaners that CPU VP threads? Rgds, Jason In article <35F24445.2AD01F0C@weideneder.de>, Stefan Weideneder <stefan@weideneder.de> wrote: > Hi, > > Normand Bedard…
Page Cleaner in ONCONFIG
Hi everyone, Just have a question ... is that any guideline on setting the number of page cleaner in the configuration ... What is the impact if the value is tooo big or too small ? thanx.…
Re: Reducing checkpoint intervals...
Hi, in my opinion you must reduce LRU_MAX_DIRTY and LRU_MIN_DIRTY. It's not a good idea to reduce the time interval between the checkpoints because each checkpoint costs a lot of overhead ( thread-synchronisation and checkpoint-waits ). How about: http://www.weideneder.de/info…
Re: Page cleaners
Hi, Normand Bedard wrote: > = > I would like to know if: > = > 1) you assign one page cleaner per disk or one page cleaner per chunk? I would assign one page cleaner per disk. But this is only usefull if you assign your chunks to your dbspaces in the right order and if you ba…
Re: Performance problems with large SELECTS in 7.3x ?
Stefan Weideneder wrote: > > Hi, > > I tried to select some pages of a table that was a bit larger > than my buffer pool. I estimated that my statement will take > about 5 seconds but it took 12 seconds. > I found out, that the server spent approx. 7 seconds for > "buffer waits".…
Page cleaners
I would like to know if: 1) you assign one page cleaner per disk or one page cleaner per chunk? 2) you have 30 mirrored disks do you assign 30 or 60 page cleaners? P.S. We are using Informix Dynamic Server Ver. 7.23 on SUN Solaris2.4 -- = Normand B=E9dard = Bell Canada 671 D…
Performance problems with large SELECTS in 7.3x ?
Hi, I tried to select some pages of a table that was a bit larger than my buffer pool. I estimated that my statement will take about 5 seconds but it took 12 seconds. I found out, that the server spent approx. 7 seconds for "buffer waits". Now I added a few buffers to the buffer…
Re: OnLine Dynamic Server 7.2 Vs INFORMIX Dynamic Server 7.3
On Tue, 28 Jul 1998 14:40:44 -0500, Ben Jazi <bjazi@fallschurch.esys.com> wrote: >What are the major differences between INFORMIX-OnLine Dynamic Server >7.2 and INFORMIX Dynamic Server 7.3? Is it ORDBMS vs RDMBS? No, IDS 9.x is the ORDBMS. This autumn the 7.3 and 9.x code lin…
Re: OnLine Dynamic Server 7.2 Vs INFORMIX Dynamic Server 7.3
Ben Jazi wrote: > > What are the major differences between INFORMIX-OnLine Dynamic Server > 7.2 and INFORMIX Dynamic Server 7.3? Is it ORDBMS vs RDMBS? > > Thanks, > Ben I don't know the differences in detail but you could check the following pages, where IDS 7.3 is described …
OnLine Dynamic Server 7.2 Vs INFORMIX Dynamic Server 7.3
What are the major differences between INFORMIX-OnLine Dynamic Server 7.2 and INFORMIX Dynamic Server 7.3? Is it ORDBMS vs RDMBS? Thanks, Ben…
Informix computer Base classes
Has any body used the Informix computer base training classes. I am wondering if any of the computer based training classes: "Informix Dynamic Server System Administration" or the "Managing and Optimizing Informix Dynamic Server Databases" is good. Thank You…
Re: Informix Online Dynamic Server 7 on Linux
Piet le Roux wrote: > > If anyone has succeeded to run Informix ODS 7 (SCO) on Linux help would > be appreciated. > I have installed iBCS and the shared libraries and the binaries work, > except that the engine cannot initialize shared memory: Error message > semctl: errno 22…
Informix Online Dynamic Server 7 on Linux
If anyone has succeeded to run Informix ODS 7 (SCO) on Linux help would be appreciated. I have installed iBCS and the shared libraries and the binaries work, except that the engine cannot initialize shared memory: Error message semctl: errno 22 create_vp: cannot allocat m…
Problems with Informix Dynamic Server for NT
Hi Has anyone tried downloading and running the dynamic server product for NT? I have it installed, but get the following error when I boot the system: AdmAgent.exe - Applicatioin error The instruction at "0x10087c69 referenced memory at "0x00000000". The memory could not be r…
Re: onstat -g ses
>Hi, >In the onstat -g ses output , what is the basis for allocation of 'total >memory' ? >There is also the figure 'used memory' , why not just allocate required >memory ? Well, we could do that but then that would 1) fragment memory and 2) create bottlenecks. Memory in shared…
RE: What are the differences between Informix Dynamic Server
It is confusing! =20 Here's what I know: Prior to renaming: 7.2x =3D ODS 8.0 =3D XPS 9.1 =3D IUS After renaming: 7.2x =3D IDS 8.0 =3D IDS/AD/XP 9.1 =3D IDS/UDO=20 After the 7.3 release: 7.3 =3D IDS 9.1 =3D IDS/UDO After the 8.2 release: 8.0 =3D…
RE: What are the differences between Informix Dynamic Server and
This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. ------ =_NextPart_001_01BDA3AF.9242A58C Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Good quest…
Re: Informix on NT or UNIX
Haveing been exposed to both operating systems, and your curretn version of Informix, Unix is the preference. One will have to take a closer look at you 'onconfig' configuration to truly get an increase in performance. Configuration varies vastly between real time and batch mode…
Re: Index for Informix Dynamic Server
William Lai wrote: > > Hello, > > We alreay upgrade our database server from SE5.X to IDS 7.3. After we > convert all the old data to the new server, we have some problems on the > index search. For example, a table: > > table : ith ( ithitno, ithname ), total 1,500,000 records…
Re: Index for Informix Dynamic Server
William Lai <rwie@netvigator.com> offerred: +We alreay upgrade our database server from SE5.X to IDS 7.3. After we +convert all the old data to the new server, we have some problems on the +index search. For example, a table: + +table : ith ( ithitno, ithname ), total 1,500,000…
Index for Informix Dynamic Server
Hello, We alreay upgrade our database server from SE5.X to IDS 7.3. After we convert all the old data to the new server, we have some problems on the index search. For example, a table: table : ith ( ithitno, ithname ), total 1,500,000 records index : ith_1 on ithitno, ithn…
nr of processes in ol7.2 on aix?
Hi there The number of 'oninit' is depend upon the number of database running on a server and plus the number of page cleaner each data base have. onstat -c | grep 'CLEANERS' will give the number of page cleaner you have for a onconfig file. Bye, Sanjit **********************…
Informix Dynamic Server 7.3
Hello, Since I'm planning a Data Warehouse, I would to do it with the new version of Dynamic Server. Impressions, stability and on which platform? Regards. Fernando _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/ Fernando Collalti Phone: +…
Re: LRU Parameters
David Kosenko wrote: > > Also sprach "Art S. Kagel" <kagel@bloomberg.com> : > > :By the way: Joao's CLEANERS value is much too low. With 32 LRUs one > :should have 32 CLEANERS unless one has > 32 chunks then add more than > :32 cleaners. You should have: #Chunks <= #CLEANERS >…
Informix Dynamic Server & Text columns
Hi everybody, Can you help me ? I've created a table with the following structure : column type -------- ---- code smallint obs text How can I insert into this table with Java program ? I'm using Informix Java AP…
Re: LRU Parameters
Also sprach "Art S. Kagel" <kagel@bloomberg.com> : :By the way: Joao's CLEANERS value is much too low. With 32 LRUs one :should have 32 CLEANERS unless one has > 32 chunks then add more than :32 cleaners. You should have: #Chunks <= #CLEANERS >= #LRUs to :minimize checkpoint …
Re: LRU Parameters
David Williams wrote: > > In article <01bd6c5b$658ff980$8da4d2cc@scott>, Scott Kolaya > <skolaya1@nycap.rr.com> writes > >Values of: > > > >LRU_MAX_DIRTY 3 > >LRU_MIN_DIRTY 2 > > > >are commonly used for OLTP processing to decrease the length of a > >checkpoint. How …
Intermittent Problem - error 529 Cannot attach to transaction
We have a HP-UX box (Ver 10.20) running Informix Online Dynamic Server Ver 7.13 and a NT Server (NT4.0) running Informix Online Dynamic Server Ver 7.23. We are trying to access some of the database tables resided in the HP-UX box from the NT Server via synonyms. But we faced inte…
Re: PAGE CLEANERS
Also, At the log file I don�t get any error message, only the regulat checkpoint ones.…
Re: PAGE CLEANERS
I am including tbconfig, so you can take a look at it. Any suggestion will be appreciated. # Root Dbspace Configuration ROOTNAME onlinedbs_tsg #Root dbspace name ROOTPATH /dev/onlinedbs_tsg #Path for device containing root dbspace ROOTOFFSET 512 …
Pagecleaners timing out (was Re: (no subject))
"Julia Barbeito Rodr�guez" <sessolucions@interbook.net> offerred: :Hello, : :I am having a problem with the page cleaners. When I run tbstat -F :(OnLine v. 5.10) I get that 2 of my four page cleaners are in an "E" :state. I try many things, but the only solution that works is to…
Re: PAGE CLEANERS
In article <3520E280.E03605CD@interbook.net>, Julia Barbeito Rodr�guez <sessolucions@interbook.net> writes >*HELLO, >* >*I HAVE A PROBLEM. I AM USING V 5.10 AND I HAVE A PROBLEM WITH PAGE >CLEANERS. >*AT SOME UNDETERMIDED MOMENT 2 OF MY 4 PAGE CLEANERS GO ON ERROR. >*AND THE DAT…
PAGE CLEANERS
--------------031109D0CA3021C3EEEE3B28 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit *HELLO, * *I HAVE A PROBLEM. I AM USING V 5.10 AND I HAVE A PROBLEM WITH PAGE CLEANERS. *AT SOME UNDETERMIDED MOMENT 2 OF MY 4 PAGE CLEANERS GO ON ERROR. *AND THE D…
(no subject)
Hello, I am having a problem with the page cleaners. When I run tbstat -F (OnLine v. 5.10) I get that 2 of my four page cleaners are in an "E" state. I try many things, but the only solution that works is to take it offline, and online; and sometimes I even have to reboot the ma…
Re: Page cleaner error
If you are getting page cleaner time-outs, you're most likely running version 5.x of On-Line. In that version page cleaners have a timeout value of 120 seconds. Meaning the page cleaner has 120 seconds to get it's work done (ie. clean from LRU_MAX_DIRTY to LRU_MIN_DIRTY, checkp…
How can I read the header tape of the archive created by ontape?
I have Informix Dynamic Server 7.23.UC1. I would like know the tape header structure created by ontape.…
Re: Page cleaner error
In article <6ddo4a$plm$1@nnrp1.dejanews.com>, williema@okzim.gaia.co.zw writes >I keep getting the following error in my online log - > ERROR: page cleaner #0 has timed out. >What causes this error and what does it affect ?. > >-----== Posted via Deja News, The Leader in Interne…
Page cleaner error
I keep getting the following error in my online log - ERROR: page cleaner #0 has timed out. What causes this error and what does it affect ?. -----== Posted via Deja News, The Leader in Internet Discussion ==----- http://www.dejanews.com/ Now offering spam-free web-based new…
Re: Another checkpoint situation
At checkpoint time one page cleaner is assigned to queue up the addresses of modified buffers to the global file descriptors for its assigned chunk. (This assumes that you are not using Kernel IO) It appears that all of your work between the check- point was for one chunk and th…
Re: Upgrading Informix from Online engine to Dynamic Server
Seth Grimes wrote: > > Jane Vohden wrote: > > > > I have been talking with Informix about upgrading our site from the > > 5.xx Online engine to 7.2x Dynamic Server. They said there was no cost > > I don't think that anyone has pointed out the mistaken terminology > h…
What's the difference between ODS 7.22 and 7.23?
What's the difference between Informix Online Dynamic Server version 7.22 and version 7.23? Thanks in advance. Bill Westphal Rodney District Council mis@rodney.govt.nz…
ODBC unix and dynamic SQL
Hi, Can someone give me some help on using informix odbc drivers (unix) with dynamic SQL on Informix-online dynamic server (7.22 unix) when I use "SQLprepare" I receive the message "too many or too few host variables given" but I think all is Ok R. Gueye…
Re: chekcpoints, BUFFER settings, and optimization
"Art S. Kagel" <kagel@bloomberg.com> wrote: +Dave I have to disagree. I agree that additional cleaners are of +limited use during normal LRU writes but they are needed for fastest +checkpointing. Since at checkpoint time each chunk is assigned to +another cleaner thread until …
Re: chekcpoints, BUFFER settings, and optimization
In article <348F1333.4F79@bloomberg.com>, "Art S. Kagel" <kagel@bloomberg.com> writes >David Williams wrote: >> >> In article <66madi$osk@cssun.mathcs.emory.edu>, Serafim Fonseca >> <inf@dpx20.growela.pt> writes > >> >} In article <881611278.1353908229@dejanews.com>, >> >} jneuge…
Re: chekcpoints, BUFFER settings, and optimization
David Williams wrote: > > In article <66madi$osk@cssun.mathcs.emory.edu>, Serafim Fonseca > <inf@dpx20.growela.pt> writes > >} In article <881611278.1353908229@dejanews.com>, > >} jneugebauer@ameritrade.com writes > >[...] > >David Williams writes > >[...] > >} ># Shared Memor…
Re: chekcpoints, BUFFER settings, and optimization
In article <66madi$osk@cssun.mathcs.emory.edu>, Serafim Fonseca <inf@dpx20.growela.pt> writes >} >} In article <881611278.1353908229@dejanews.com>, >} jneugebauer@ameritrade.com writes >[...] > > >David Williams writes > >[...] >} ># Shared Memory Parameters >} > >} >LOCKS 10000…
Re: Chunk Writes
In article <664me0$99u@cssun.mathcs.emory.edu>, Mark Collins <mcollins@us.dhl.com> writes >> I have been reading the "online Dyn. Server Sys. Adm 1" training >> mtrl -by Cindy Lee Dowling,Elizabeth Suto. >> >> Chapter 10 -270 which discusses Chunk Writes. >> >> it says …
Re: Chunk Writes
> I have been reading the "online Dyn. Server Sys. Adm 1" training > mtrl -by Cindy Lee Dowling,Elizabeth Suto. > > Chapter 10 -270 which discusses Chunk Writes. > > it says " All modified buffers are flushed to disk.The page cleaner > threads read thro' the buffer headers look…
Chunk Writes
Hi, I have been reading the "online Dyn. Server Sys. Adm 1" training mtrl -by Cindy Lee Dowling,Elizabeth Suto. Chapter 10 -270 which discusses Chunk Writes. it says " All modified buffers are flushed to disk.The page cleaner threads read thro' the buffer headers looking for…
Logical Logs -Explain
Hi, Regarding Flushing of logs/buffers to disk 1)What is a FOREGROUND WRITE? 2) "If page cleaner activity begins and a modified page is writtn to disk ,it would be possible for the modified version of the page to be on disk , but the before image to still be in the Physical lo…
Next Extent Calc.
Hi, I have INFORMIX-OnLine Dynamic Server Version 7.14.UD2. Does anyone know of a script or program to calculate the next extent size ? Thanks in advance Manuel…
Better Manuals (was: Re: Mirroring)
Hi Art, >I know what the manuals say (one cleaner per disk and fewer LRUs is >better). The manuals are WRONG. The Informix benchmark people long >ago proved that and I have verified it myself. If your goal is to best >share the machine with other apps and servers and minimize…
Re: Mirroring
"Art S. Kagel" <kagel@bloomberg.com> wrote: >Jay Aymond wrote: >> >> I am adding mirroring to my Informix Online 5.x installation. Right now, I have >> Cleaners set to 2 for my two primary disk drives. Once I have enabled >> mirroring, should I change the number of Cleaners fr…
Re: Mirroring
Jay Aymond wrote: > > I am adding mirroring to my Informix Online 5.x installation. Right now, I have > Cleaners set to 2 for my two primary disk drives. Once I have enabled > mirroring, should I change the number of Cleaners from 2 to 4 since I will have > more disk drives, ev…
Java and Informix Dynamic Server 7.x
Hi friends! I am trying to do server-side java cgi programming to connect to I-ODS 7.x. Do you know how I can do that? I heard it is possible to use the jdbc-odbc bridge( intersolve or openlink's), but the performance is too slow, because of jdbc to odbc and odbc to jdbc convert…
Re: Cleaners & Striped disks
In article <5i2j2k$k8j@cssun.mathcs.emory.edu>, Scott Hanson <shanson@lhr-co.gb.DHL.COM> writes >Hello all... > >I have an interesting one here. >We have an HP-UX 9000 10.01 with Informix 7.12. >The machine has 5x4.1GB disks allocated to Informix. >Two of these disks are partitio…
Re: Cleaners & Striped disks
Scott I know that this is not what the book says, but I am finding that in releases > than 6 that the cleaners do not have much to do - as in release 5 when they were used to write to disk - all they do now is take modified buffers from the queue and place them on the queues fo…
Cleaners & Striped disks
Hello all... I have an interesting one here. We have an HP-UX 9000 10.01 with Informix 7.12. The machine has 5x4.1GB disks allocated to Informix. Two of these disks are partitioned into 2x2GB. No problem. These contain rootdbs, llogspace and low use dbspaces The other three di…
Re: LRUS vs. CLEANERS
In article <33219A97.790C0F1B@www.weideneder.de>, Stefan Weideneder <stefan@www.weideneder.de> writes >KENDRICKS.CHERYL@heb.com wrote: >> >> The number of Cleaner's does not only depend on the number of disk but also >> the the number of LRU Queues (LRU). You should then set you …
LRUS vs. CLEANERS
KENDRICKS.CHERYL@heb.com wrote: > > The number of Cleaner's does not only depend on the number of disk but also > the the number of LRU Queues (LRU). You should then set you Cleaner value to > the number of Disk that are updated during a checkpoint only if LRUS is not > set to a …
Re: 2 gig per raw space
Thuc Nguyen wrote: > > Hi everyone, > > I am with Online 5.03 on HP 9.02 > > My "Sr" DBA did not have full confidence in what I told him. > > I have seen the previous postings but did not save them. I need to prove > him that I am right by showing him your postings. > > Am I corr…
Re: 2 gig per raw space
Thuc Nguyen <thucn@inconnect.com> wrote in article <331F9977.613D@inconnect.com>... > Hi everyone, > > I am with Online 5.03 on HP 9.02 > > My "Sr" DBA did not have full confidence in what I told him. > > I have seen the previous postings but did not save them. I need to prove > …
Re: Cleaners-Mirror and Temporary Chunks
Milan Vesely wrote: > > According to Informix chunks should be added to system > in a successive way - to be cleaned correctly by > CLEANERS. The number of CLEANERS should be the same > as the number of disks to be cleaned. > But: How to consider TEMPORARY and MIRROR chunks? > …
Cleaners-Mirror and Temporary Chunks
According to Informix chunks should be added to system in a successive way - to be cleaned correctly by CLEANERS. The number of CLEANERS should be the same as the number of disks to be cleaned. But: How to consider TEMPORARY and MIRROR chunks? Should I take them into account…
Cleaners-Mirror and Temporary Chunks
The number of Cleaner's does not only depend on the number of disk but also the the number of LRU Queues (LRU). You should then set you Cleaner value to the number of Disk that are updated during a checkpoint only if LRUS is not set to a higher value, otherwise use the same value…
Re: HELP! My Page Cleaners keep dying!!!
------------5BFF36C115C20 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=us-ascii Mickey Mestel wrote: > > > Running Informix OnLine 5.03 (ancient, I know) and > > I continually have page cleaners to go into (E)xit > > state and NEVER COME BACK! > > > > Kinda …
Re: HELP! My Page Cleaners keep dying!!!
------------673325D547C2 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=us-ascii > Running Informix OnLine 5.03 (ancient, I know) and > I continually have page cleaners to go into (E)xit > state and NEVER COME BACK! > > Kinda new to Informix, and I'm not sure …
Re: HELP! My Page Cleaners keep dying!!!
Im Artikel <32c3f758.0@pc162.abrfc.noaa.gov>, jbo@awips1.abrfc.noaa.gov schreibt: >Kinda new to Informix, and I'm not sure how to >figure out why this is happening. The log only >has a "ERROR: page cleaner # X has timed out" >message, and I haven't found a utility which will >g…
Re: HELP! My Page Cleaners keep dying!!!
There are some old bugs that could be related to this. Have you contacted the support line? Also, it is possible that the cleaners are having to do too much work. Try increasing the number of cleaners in your TBCONFIG file. Madison Pruet…
Re: HELP! My Page Cleaners keep dying!!!
There are some old bugs that could be related to this. Have you contacted the support line? Also, it is possible that the cleaners are having to do too much work. Try increasing the number of cleaners in your TBCONFIG file. Madison Pruet…
HELP! My Page Cleaners keep dying!!!
Running Informix OnLine 5.03 (ancient, I know) and I continually have page cleaners to go into (E)xit state and NEVER COME BACK! Kinda new to Informix, and I'm not sure how to figure out why this is happening. The log only has a "ERROR: page cleaner # X has timed out" message, …
Re: HELP! My Page Cleaners keep dying!!!
jbo@awips1.abrfc.noaa.gov wrote: > > Running Informix OnLine 5.03 (ancient, I know) and > I continually have page cleaners to go into (E)xit > state and NEVER COME BACK! > > Kinda new to Informix, and I'm not sure how to > figure out why this is happening. The log only > has a "…
Solved: page cleaner: async chunks init failed
Merry X-mas People, I have solved the error of "page cleaner: async chunks init failed" after being instructed by a local Informix representative to include the variable of NOAIO=1 in the Informix startup script. According to the Informix representative, the problem might be ca…
Follow-up: PAGE CLEANER - CHUNKS INIT FAILED
> THIS IS A MESSAGE IN 'MIME' FORMAT. Your mail reader does not support MIME. > Please read the first section, which is plain text, and ignore the rest. > This message was composed with SPRY Mail. Contact SPRY at 1-800-777-9638. --XXCGW-1156753310XX Content-Type: text/plain Con…
Re: PAGE CLEANER - CHUNKS INIT FAILED
In article <557qea$ke0@cssun.mathcs.emory.edu>, sinyem@pc.jaring.my writes >Hi to everyone, > >The following error/message was shown in the log file prior to >the engine start-up. > > "page cleaner: async. chunks init failed" > I've heard of this before I'm just not sure …
PAGE CLEANER - CHUNKS INIT FAILED
Hi to everyone, The following error/message was shown in the log file prior to the engine start-up. "page cleaner: async. chunks init failed" The system operate normally (engine is On-line) but I need some clarification as to what the error/message meant (Admin. Guide manual …
Informix Certified Professional Program Update
Informix offers two certification paths. Each path requires the successful completion of two exams. Each exam is US $250 and is between 60-90 minutes long. * Database Specialist for INFORMIX-OnLine Dynamic Server 7.x 111 - Database Fundamentals Exam 112 - Managin…
Re: LRU writes
> From informix-list-owner@rmy.emory.edu Thu May 2 12:30:52 1996 > From: Guy Germonpre <germonpre_guy/dis@bekaert.com> > Subject: Re: LRU writes > Date: 2 May 1996 14:38:07 GMT > Reply-To: Guy Germonpre <germonpre_guy/dis@bekaert.com> guy, > Please don't miss the point ! I kno…
Re: LRU writes
>LRU writes : Foreground writes alert the master daemon that page cleaning is >needed. Once alerted ... > >How come that my Fg Writes is at 0 ? Please don't miss the point ! I know it is fine the have the foreground writes at 0, but what then is the difference between LRU write…
Re: page cleaner #1 timed out
I wrote: >Online 5.03.UD2 on Compaq proliant 4500. From time to time we get the >error >"ERROR: page cleaner # 1 has timed out" > >What does it mean ? How can we solve it ? > >Guy. > I did have the same error again. After this occured, My only hung with CKPT REQ. Tbstat -u showe…
Re: page cleaner #1 timed out
daniel@genesis.admin.bethel.edu ("Dan Madvig - Bethel College & Sem.") wrote: >> "ERROR: page cleaner # 1 has timed out" >> >> What does it mean ? How can we solve it ? >> > >Happens on my HP system too. And I'd like to know why and >how to prevent it. > >What it *means* is that…
Re: page cleaner #1 timed out
Tracy Nedd wrote: > > Guy, > The I have seen this error caused by the following condition: > Having too many page cleaners defined with respect to the number > of actual disks. > > If you only have one physical disk but it's partitioned into > 5 logical chunks and each …
Re: page cleaner #1 timed out
Guy, The I have seen this error caused by the following condition: Having too many page cleaners defined with respect to the number of actual disks. If you only have one physical disk but it's partitioned into 5 logical chunks and each chunk has been used for a dbspace…
Re: page cleaner #1 timed out
> From informix-list-owner@rmy.emory.edu Tue Apr 30 03:41:00 1996 > From: Guy Germonpre <germonpre_guy/dis@bekaert.com> > Subject: page cleaner #1 timed out > Date: 30 Apr 1996 07:43:59 GMT guy, > Online 5.03.UD2 on Compaq proliant 4500. From time to time we get the > error > "E…
Re: page cleaner #1 timed out
> "ERROR: page cleaner # 1 has timed out" > > What does it mean ? How can we solve it ? > Happens on my HP system too. And I'd like to know why and how to prevent it. What it *means* is that it's time to bounce the engine. -- Dan Madvig e-mail: d…
Re: page cleaner #1 timed out
Hi, This means that your page cleaners were unable to complete their work in the alloted time. To relieve the problem you can adjust your LRU_MAX_DIRTY and LRU_MIN_DIRTY parameters in the onconfig file. These parameters control the threshold of work that the page cleaners do so …
page cleaner #1 timed out
Online 5.03.UD2 on Compaq proliant 4500. From time to time we get the error "ERROR: page cleaner # 1 has timed out" What does it mean ? How can we solve it ? Guy.…
Re: Good Buffer Size For Tuning Informix?
Chris Jenkins (chrisj@informix.com) wrote: : The only really important factor in determining the number of buffers is : the read and write cache hit ratios reported by tbstat -p. Keep : increasing the number of buffers until these cache hit rates do not : increase when the system…
Re: ASSERT FAILED?
Roland, It sounds like your page cleaners are having trouble keeping up. The page cleaners are the little guys responsible for flushing shared memory data (physical log files, etc) to disk. If they take too long to do this (more than 10 minutes?!) then Informix gets worried …
Re: INFORMIX-Online Dynamic Server intallation
copy the standard onconfig file and make as few changes as possible to the different parameters. after you are sure you can bring informix online, should you begin to make changes to the onconfig parameters. Use ONMONITOR to make the changes. It will protect you from many mista…
INFORMIX-Online Dynamic Server intallation
I'm about to install INFORMIX-Online Dynamic Server V.7.1 on a SPARC 1000. Has anyone installed this database on a sparc before? If yes...do you have any suggestions or could you give me any advice on certain aspects of the installation you felt might be important to take notice?…
Re: Keeping clean pages in shared memory
> If you have a DSS app, the buffer pool does not become dirty, so the > LRU_MAX_DIRTY will not have any impact. ...unless of course you're generating temp tables. Which just about all apps do at some time or another. akent@cix.compulink.co.uk (Andy Kent) ----------------------…
Re: HP9000+LVM+Online
David Chan (dwc@cix.compulink.co.uk) wrote: : Andy : I got the impression that Mike's system only had one chunk (therefore one : page cleaner) which was striped underneath using LVM. Note that LVM is This is nearly correct. During checkpoints there is indeed only one page cle…
Re: HP9000+LVM+Online
Andy Kent (akent@cix.compulink.co.uk) nicely wrote: : mikehunt@algonet.se wrote: : > By taking the four disks that we were spreading : > the database over and turning them into one disk consisting of : alternating : > 1Mb chunks of disk we were able to totally remove our disk bot…
Re: Why several oninit processes in ver 6.0?
> In article, akent@cix.compulink.co.uk ("Andy Kent") wrote: > > > By default, pre-6.00 would always start 2 tbinit processes: one for > > the master daemon, and one for each page cleaner, for which the > > default is 1. > > Do you mean one for tbinit, one for tbundo, and one for…
Re: Why several oninit processes in ver 6.0?
In article, akent@cix.compulink.co.uk ("Andy Kent") wrote: > By default, pre-6.00 would always start 2 tbinit processes: one for the > master daemon, and one for each page cleaner, for which the default is 1. Do you mean one for tbinit, one for tbundo, and one for each page cle…
Re: Page Cleaner errors ?
this can still happen with very low LRU_MIN_DIRTY and LRU_MAX_DIRTY values. look for other system hogs such as ftp and full file systems. } } > } > Greeting, } > } > We are currently running Informix online with the 4.10 and } > a MIPS 6380 with the OS 5.0, We …
Re: Page Cleaner errors ?
> > Greeting, > > We are currently running Informix online with the 4.10 and > a MIPS 6380 with the OS 5.0, We build all the informix to > the raw device on the disk array with the RAID 1. > > We often get the error in the informix log " Page Cl…
Page Cleaner errors ?
Greeting, We are currently running Informix online with the 4.10 and a MIPS 6380 with the OS 5.0, We build all the informix to the raw device on the disk array with the RAID 1. We often get the error in the informix log " Page Cleaner # 2 …
Page Cleaners
Can someone please elaborate on what page cleaner deamons are? Yoon -- |Yoonho Ha (513) 865-1305| Death is nature's | |Mead Data Central Data Enhancements| way of telling | |9555 Springboro Pike yoon@meaddata.com| you to slow down. | …
Re: Page Cleaners/Idle Writes
Mike Alder writes: |> *Do you understand how an Idle Write is tabulated. Why do I |> continally see chunk writes when my pages are being flushed |> outside of checkpoints. An idle write is one performed by page cleaners off the LRUs when they wake up by themselves, as opposed…
Re: Page Cleaners/Idle Writes
In <24r2msINNf0k@emory.mathcs.emory.edu> mikea@hpdmmfi.boi.hp.com (Mike Alder) writes: >Dave, > Thanx for the response. I couldn't reach you directly. > page cleaners = LRUS is worth trying. > I remember seeing your post a couple of weeks ago when we were > discussing maximum…
Re: Page Cleaners/Idle Writes
Dave, Thanx for the response. I couldn't reach you directly. page cleaners = LRUS is worth trying. I remember seeing your post a couple of weeks ago when we were discussing maximum performance - it was very imformative and it was that reason I was experimenting with Page …
Re: Page Cleaners/Idle Writes
Mike Alder writes: Mike's issue is cc'ed below. Here is the way to tune to get (for most circumstances) best performance. Fiirst, ignore the bit in the manual about tuning page cleaners to disks; tune them == LRUS (8 by default). Set your LRU_MAX_DIRTY to 10-30, and LRU_MIN_D…
Page Cleaners/Idle Writes
(I'll try again -- I/System had a hic-up...) Hi Netters, I have been experimenting with LRU_MIN AND MAX parameters and page cleaning/cleaners to try and enhance performance and get the most out of my page cleaners. I have 3 seperate spindles with 3 page cleaners and a mod…
Page Cleaning/ Idle Writes
Hi Netters, I have been experimenting with LRU_MIN AND MAX parameters and page cleaning/cleaners to try and enhance performance. I started out with the default values of…
Re: page cleaners time out
inf_bb@hermes1.sps.mot.com (informix users bb) writes: > >we are running online ver 5.00.UC2 with i-star and are experiencing a >problem with the page cleaners timing out. we are running on a sun >690 with the database accelerator kernal enhancement. > >a tbstat -u gives the fol…
Page Cleaners Timing out
> > > > we are running online ver 5.00.UC2 with i-star and are experiencing a > > problem with the page cleaners timing out. we are running on a sun > > 690 with the database accelerator kernal enhancement. > > > > a tbstat -u gives the following: > > > > (hermes1)/home_hermes1/…
page cleaners time out
we are running online ver 5.00.UC2 with i-star and are experiencing a problem with the page cleaners timing out. we are running on a sun 690 with the database accelerator kernal enhancement. a tbstat -u gives the following: (hermes1)/home_hermes1/baskett>tbstat -u RSAM Versio…
Re: tbinit processes on 5.0 (fwd)
Bob Baskett writes: > > you wont see tbinit out there for each page cleaner - these show up as > tbpgcl processes. this is assuming that they have not timed out and the > main deamon taken over for them. > This depends on your port of OnLine. The TI port does not show tbpgcl…
Re: Chunk Writes
Maria Childress wrote: > Does anyone know what a chunk write is? Does a chunk write relate to > a chunk of disk on the OnLine system? Or does it relate to the buffer > queues? "Chunk Write" refer to the flushing dirty buffers in shared memory back to disk during the che…
Re: Chunk Writes
Intergraph Corporation TIM ============================================================================ E-Mail Memorandum Hi all, Does anyone know what a chunk write is? Does …