Re: Chatr on HPUX and Informix
Posted in 1999
En Susan Elliott (ISG) va escriure el dia 7 Nov 99, a les 17:11:
>
> Howdy Folks,
>
> We have just recently upgraded our database from 7.24uc5 to 7.30 uc7.
> We are running on HPUX 10.20, Application is Baan.
>
> Since we have performed this upgrade, we are expierencing the database
> gradually becoming slower and slower. Load averages on the top
> display are getting higher over the period of the day (around 5) which
> is pretty high for our system. The database seems to require more
> than 900 meg of memory as it seems to dynamically allocate more
> segments. B4 the upgrade we were using below the 900meg mark. I have
> been advised to alter the Informix binaries with "chatr -M" I have
> tested this on a test system but I am getting error messages on
> startup of DB. I am wondering if I have missed something....
>
> Has anyone already set up / using this on a HPUX system, using more
> than 1 gb of shared memory (7.30 Uc7).
>
> Would you please advise the process you used / followed?? What issues
> did you come across implementing chatr ??
>
>
> TIA
>
> Regards
> Suze.
>
>
> Please refer to the attached copy of my online.log
>
>
> Fri Nov 5 14:02:19 1999
>
> 14:02:19 Informix Dynamic Server Stopped.
> 16:00:52 Segment locked: addr=0x40000000, size=956596224
> 16:00:52 The number of configured CPU poll threads exceeds> 'NUMCPUVPS'.
> NETTYPE 'baantcp' poll threads started on NET VPs.
>
>
> Sun Nov 7 16:00:52 1999
>
> 16:00:52 Event alarms enabled. ALARMPROG =
> '/opt/informix/etc/ifx_alarm.sh'
> 16:00:58 DR: DRAUTO is 0 (Off)
> 16:00:58 Requested shared memory segment size rounded from 588KB to> 592KB 16:00:59 Informix Dynamic Server Version 7.30.UC7 Software
> Serial Number AAC#J578294 16:01:00 Informix Dynamic Server
> Initialized -- Shared Memory Initialized. 16:01:00 Physical Recovery
> Started. 16:01:00 Physical Recovery Complete: 0 Pages Restored.
> 16:01:00 Logical Recovery Started. 16:01:03 Logical Recovery
> Complete.> 0 Committed, 0 Rolled Back, 0 Open, 0 Bad Locks
>
> 16:01:03 Onconfig parameter LTAPEDEV modified from /dev/rmt/0m to
> /dev/null. 16:01:03 Dataskip is now OFF for all dbspaces 16:01:03
> HPUX Version B.10.20 -> Using flag/select style KAIO 16:01:04> On-Line Mode 16:01:04 Checkpoint Completed: duration was 1 seconds.
> 16:01:54 Informix Dynamic Server Stopped.>
> I altered the onconfig for SHMVERT to be approx 1200 meg and started
> the intance. Error messages below.
>
> 16:05:00 shmat: [EINVAL][22]: shared memory base address illegal
>
> 16:05:00 using 0x60000000, needs 0xc1483000
>
> 16:05:00 Could not create single shared memory segment with resident> and non-resident par
>
> titions. Proceeding to create 2 shared memory segments instead.
> 16:05:03 Segment locked: addr=0x40000000, size=117719040
> 16:05:03 shmat: [EINVAL][22]: shared memory base address illegal
>
> 16:05:03 using 0x67044000, needs 0x80000000
>
> 16:05:03 mt_shm_init: can't create virtual segment>
> uxfgrn4:/opt/informix>
>
>
> Susan Elliott
> ______________________
> Host Team Leader
> Information Services Group
> Concrete Group
> * (09) 520 8608
> * susane@fclcis.co.nz
>
>
>
If I am not mistaken I believe that when passing from the version
7.2X.XXX to 7.3X.XXX yield problems exist. I believe to remember
that the advice given to solve this problem is:
erase the indexes
create the indexes of New.
Update statistics (you don't forget this)
Be happy.
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