Help with Informix !!! Really Important!!!

Hi all, I have an Informix Dinamic Server 9.24, installed in a Windows Server 2003 Standard Edition with a PIII 930MHZ and 512MB RAM The server have to Hd, one with 2.25Gb and another one with 8. I also have an apllication that runs against Informix Database. When we have in the database only a few records, the system is really fast, but when it started to store more than about 100.000 records, it gets really really slow. We have tried to solve the problem by changing some configuration parameters, and also we created a new DBSpace with 1.5GB, but it didn't becomes better... The app make some heavy operations against the DDBB, but it is slow also when the operation just requires few records. I post the ONCONFIG file, please, if you see something extrange, or you can just help me in any way, I`ll been thankful #************************************************************************** # # INFORMIX SOFTWARE, INC. # # Title: onconfig.std # Description: Informix Dynamic Server Configuration Parameters # #************************************************************************** # Root Dbspace Configuration ROOTNAME rootdbs # Root dbspace name ROOTPATH C:\\IFMXDATA\\nomina\\rootdbs_dat.000 # Path for device containing root dbspace ROOTOFFSET 0 # Offset of root dbspace into device (Kbytes) ROOTSIZE 51200 # Size of root dbspace (Kbytes) # Disk Mirroring Configuration Parameters MIRROR 1 # Mirroring flag (Yes = 1, No = 0) MIRRORPATH D:\\IFMXDATA\\nomina\\rootdbs_mirr.000 # Path for device containing mirrored root MIRROROFFSET 0 # Offset into mirrored device (Kbytes) # Physical Log Configuration PHYSDBS rootdbs # Location (dbspace) of physical log PHYSFILE 2000 # Physical log file size (Kbytes) # Logical Log Configuration LOGFILES 8 # Number of logical log files LOGSIZE 2000 # Logical log size (Kbytes)LOG_BACKUP_MODE MANUAL # Logical log backup mode (MANUAL, CONT) # Diagnostics MSGPATH C:\\PROGRA~1\\Informix\\nomina.log # System message log file path CONSOLE C:\\PROGRA~1\\Informix\\connomina.log # System console message path # To automatically backup logical logs, edit alarmprogram.bat and set # BACKUPLOGS=Y ALARMPROGRAM C:\\PROGRA~1\\Informix\\etc\\alarmprogram.bat # Alarm program path TBLSPACE_STATS 1 # Maintain tblspace statistics # System Diagnostic Script. # SYSALARMPROGRAM - Full path of the system diagnostic script (e.g. # c:\\informix\\etc\\evidence.bat.) Set this parameter # if you want a different Diagnostic Script than # {INFORMIXDIR}\\etc\\evidence.bat, which is default. # System Archive Tape Device TAPEDEV NUL # Tape device path TAPEBLK 16 # Tape block size (Kbytes) TAPESIZE 10240 # Maximum amount of data to put on tape (Kbytes) # Log Archive Tape Device LTAPEDEV NUL # Log tape device path LTAPEBLK 16 # Log tape block size (Kbytes) LTAPESIZE 10240 # Max amount of data to put on log tape (Kbytes) # Optical STAGEBLOB # Informix Dynamic Server/Optical staging area OPTICAL_LIB_PATH # Location of Optical Subsystem driver DLL # System Configuration SERVERNUM 1 # Unique id corresponding to a serverinstance DBSERVERNAME nomina # Name of default Dynamic Server DBSERVERALIASES # List of alternate dbservernames NETTYPE soctcp,1,,NET # Override sqlhosts nettype parameters DEADLOCK_TIMEOUT 10 # Max time to wait of lock indistributed env. RESIDENT 1 # Forced residency flag (Yes = 1, No = 0) MULTIPROCESSOR 0 # 0 for single-processor, 1 formulti-processor NUMCPUVPS 1 # Number of user (cpu) vps SINGLE_CPU_VP 0 # If non-zero, limit number of cpu vpsto one NOAGE 0 # Process aging AFF_SPROC 0 # Affinity start processor AFF_NPROCS 0 # Affinity number of processors # Shared Memory Parameters LOCKS 2000 # Maximum number of locks BUFFERS 200000 # Maximum number of shared buffers NUMAIOVPS 1 # Number of IO vps PHYSBUFF 32 # Physical log buffer size (Kbytes) LOGBUFF 32 # Logical log buffer size (Kbytes) CLEANERS 128 # Number of buffer cleaner processes SHMBASE 0xc000000 # Shared memory base address SHMVIRTSIZE 8192 # initial virtual shared memory segmentsize SHMADD 8192 # Size of new shared memory segments (Kbytes) SHMTOTAL 0 # Total shared memory (Kbytes). 0=>unlimited CKPTINTVL 300 # Check point interval (in sec) LRUS 128 # Number of LRU queues LRU_MAX_DIRTY 60.000000 # LRU percent dirty begin cleaninglimit LRU_MIN_DIRTY 50.000000 # LRU percent dirty end cleaning limit TXTIMEOUT 0x12c # Transaction timeout (in sec) STACKSIZE 64 # Stack size (Kbytes) # Dynamic Logging # DYNAMIC_LOGS: # 2 : server automatically add a new logical log when necessary. (ON) # 1 : notify DBA to add new logical logs when necessary. (ON) # 0 : cannot add logical log on the fly. (OFF) # # When dynamic logging is on, we can have higher values for LTXHWM/LTXEHWM, # because the server can add new logical logs during long transaction rollback. # However, to limit the number of new logical logs being added, LTXHWM/LTXEHWM # can be set to smaller values. # # If dynamic logging is off, LTXHWM/LTXEHWM need to be set to smaller values # to avoid long transaction rollback hanging the server due to lack of logical # log space, i.e. 50/60 or lower. DYNAMIC_LOGS 2 LTXHWM 70 LTXEHWM 80 # System Page Size # BUFFSIZE - Dynamic Server no longer supports this configuration parameter. # To determine the page size used by Dynamic Server on your platform # see the last line of output from the command, 'onstat -b'. # Recovery Variables # OFF_RECVRY_THREADS: # Number of parallel worker threads during fast recovery or an offline restore. # ON_RECVRY_THREADS: # Number of parallel worker threads during an online restore. OFF_RECVRY_THREADS 10 # Default number of offline workerthreads ON_RECVRY_THREADS 1 # Default number of online workerthreads # Data Replication Variables DRINTERVAL 30 # DR max time between DR buffer flushes (in sec) DRTIMEOUT 30 # DR network timeout (in sec) DRLOSTFOUND

Add more RAM. In my experience with the combination of IDS 9.40 and Windows 2003, 512 MB is just not enough. The Task Manager Performance tab showed memory usage pegged. We jumped straight to 2 GB and that solved a lot of problems. Next, I notice you have no temp dbspace listed. That can be a big problem. Other than that, I would urge you to read the Performance Guide at http://publibfp.boulder.ibm.com/epubs/pdf/ct1t9na.pdf This will not only give you good advice about how to resolve most performance issues, it will give advice on how to identify them. You are using a vanilla, default onconfig file. Unfortunately, there is no such thing as a vanilla, default application. Without knowing more about your application, no one will be able to give you the Really Important!!! help you need. Sincerely, Christopher Coleman President Kansas City Informix Users Group www.iiug.org/kciug Database Analyst Medication Management Mediware Information Systems, Inc.

What about the old faithful "UPDATE STATISTICS". I would suggest that the queries are working on out of date statistics. If "UPDATE STATISTICS" doesn't improve matters reading up on UPDATE STATISTICS in the documentation. I'd even suggest using the IDS 10 documentation set as this has a search facility that will enable you to get to the right sections of the manuals very quickly. regards Malcolm Christopher wrote: > Add more RAM. > > In my experience with the combination of IDS 9.40 and Windows 2003, 512 > MB is just not enough. The Task Manager Performance tab showed memory > usage pegged. We jumped straight to 2 GB and that solved a lot of > problems. > > Next, I notice you have no temp dbspace listed. That can be a big > problem. > > Other than that, I would urge you to read the Performance Guide at > http://publibfp.boulder.ibm.com/epubs/pdf/ct1t9na.pdf > > This will not only give you good advice about how to resolve most > performance issues, it will give advice on how to identify them. > > You are using a vanilla, default onconfig file. Unfortunately, there > is no such thing as a vanilla, default application. Without knowing > more about your application, no one will be able to give you the Really > Important!!! help you need. > > Sincerely, > > Christopher Coleman > > President > Kansas City Informix Users Group > www.iiug.org/kciug > > Database Analyst > Medication Management > Mediware Information Systems, Inc.

9.24? 9.14 maybe 7.24 maybe 9.24?you sure can you run onstat -V and post the output? mweall...@panacea.co.uk wrote: > What about the old faithful "UPDATE STATISTICS". I would suggest that > the queries are working on out of date statistics. If "UPDATE > STATISTICS" doesn't improve matters reading up on UPDATE STATISTICS in > the documentation. > I'd even suggest using the IDS 10 documentation set as this has a > search facility that will enable you to get to the right sections of > the manuals very quickly. > > regards > > Malcolm > > Christopher wrote: > > Add more RAM. > > > > In my experience with the combination of IDS 9.40 and Windows 2003, > 512 > > MB is just not enough. The Task Manager Performance tab showed > memory > > usage pegged. We jumped straight to 2 GB and that solved a lot of > > problems. > > > > Next, I notice you have no temp dbspace listed. That can be a big > > problem. > > > > Other than that, I would urge you to read the Performance Guide at > > http://publibfp.boulder.ibm.com/epubs/pdf/ct1t9na.pdf > > > > This will not only give you good advice about how to resolve most > > performance issues, it will give advice on how to identify them. > > > > You are using a vanilla, default onconfig file. Unfortunately, there > > is no such thing as a vanilla, default application. Without knowing > > more about your application, no one will be able to give you the > Really > > Important!!! help you need. > > > > Sincerely, > > > > Christopher Coleman > > > > President > > Kansas City Informix Users Group > > www.iiug.org/kciug > > > > Database Analyst > > Medication Management > > Mediware Information Systems, Inc.