Re: suggestion reqd Perf tuning
Posted in 2006
madh wrote:
> this my onconfig file. I am using Informix Dynamic Server Version
> 7.31.UD6W4, HP-UX 11.11 ,
> no of cpus- 2, REPORT SERVER (used for creating report purposes).
> Memory 1387036K(1260472k) real, 1847708K (1682688k), virtual 4262876k
> free pages,
> Just want see some imporovement in cpu perf.
>
> shall i set AFF_NPROCS = 1 ,
>
> ROOTNAME prd_my_rootdbs # Root dbspace name>
>
> ROOTPATH /dev/infdevprd_my/prd_my_rootdbs.1
>
>
> # Path for device containing root
> dbspace
> ROOTOFFSET 0 # Offset of root dbspace into device
> (Kbytes)
> ROOTSIZE 512000 # Size of root dbspace (Kbytes)>
>
> # Disk Mirroring Configuration Parameters
>
>
> MIRROR 0 # Mirroring flag (Yes = 1, No = 0)
>
>
> MIRRORPATH # Path for device containing mirrored> root
> MIRROROFFSET 0 # Offset into mirrored device (Kbytes)>
>
> # Physical Log Configuration
>
>
> PHYSDBS prd_my_plogdbs1 # Location (dbspace) of physical log
>
>
> PHYSFILE 200000 # Physical log file size (Kbytes)>
>
> # Logical Log Configuration
>
>
> LOGFILES 40 # Number of logical log files>
>
> LOGSIZE 50000 # Logical log size (Kbytes)>
>
> # Diagnostics
>
>
> MPATH /usr/informix__prd_my/logs/prd_my_srv.log
>
>
> # System message log file path
>
>
> CONSOLE /dev/console # System console message path>
>
> ALARMPROGRAM /usr/informix_prd_my/etc/no_log.sh # Alarm program
> path SYSALARMPROGRAM /usr/informix__prd_my/etc/evidence.sh
>
>
> # System Alarm program path
>
>
> TBLSPACE_STATS 1>
>
> # System Archive Tape Device
>
>
> TAPEDEV /dev/null # Tape device path>
>
> TAPEBLK 512 # Tape block size (Kbytes)>
>
> TAPESIZE 80000000 # Maximum amount of data to put on tape>
> (Kbytes)
>
>
> # Log Archive Tape Device
>
>
> LTAPEDEV /dev/null # Log tape device path>
>
> LTAPEBLK 512 # Log tape block size (Kbytes)>
>
> LTAPESIZE 8000000 # Max amount of data to put on log tape>
> (Kbytes)
>
>
> # Optical
>
>
> STAGEBLOB # Informix Dynamic Server/Optical
> staging area
>
>
> # System Configuration
>
>
> SERVERNUM 3 # Unique id corresponding to a Dynamic> Server in
> stance
>
>
> DBSERVERNAME prd_my_srv # Name of default database server>
>
> DBSERVERALIASES # List of alternate dbservernames>
>
> NETTYPE soctcp,2,150,NET # Configure poll thread(s) for nettype>
>
>
> DEADLOCK_TIMEOUT 60 # Max time to wait of lock in> distributed env.
> RESIDENT 1 # Forced residency flag (Yes = 1, No =
> 0)>
>
> MULTIPROCESSOR 1 # 0 for single-processor, 1 for> multi-processor
> NUMCPUVPS 2 # Number of user (cpu) vps>
>
> SINGLE_CPU_VP 0 # If non-zero, limit number of cpu vps> to one
>
>
> NOAGE 1 # Process aging>
>
> AFF_SPROC 0 # Affinity start processor>
>
> AFF_NPROCS 0 # Affinity number of processors>
>
> # Shared Memory Parameters
>
>
> LOCKS 500000 # Maximum number of locks>
>
> BUFFERS 100000 # Maximum number of shared buffers>
>
> NUMAIOVPS 30 # Number of IO vps>
>
> PHYSBUFF 512 # Physical log buffer size (Kbytes)>
>
> LOGBUFF 512 # Logical log buffer size (Kbytes)>
>
> LOGSMAX 100 # Maximum number of logical log files
>
>
> CLEANERS 20 # Number of buffer cleaner processes>
>
> SHMBASE 0x0 # Shared memory base address>
>
> SHMVIRTSIZE 256000 # initial virtual shared memory segment>
> size
> SHMADD 128000 # Size of new shared memory segments
> (Kbytes)
> SHMTOTAL 0 # Total shared memory (Kbytes).
> 0=>unlimited
> CKPTINTVL 1200 # Check point interval (in sec)>
>
> LRUS 127 # Number of LRU queues>
>
> LRU_MAX_DIRTY 5 # LRU percent dirty begin cleaning> limit
> LRU_MIN_DIRTY 2 # LRU percent dirty end cleaning limit>
>
> LTXHWM 50 # Long transaction high water mark> percentage
> LTXEHWM 60 # Long transaction high water mark
> (exclusive)
> TXTIMEOUT 0x12c # Transaction timeout (in sec)>
>
> STACKSIZE 32 # Stack size (Kbytes)>
>
> # 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
>
>
> # 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 worker> threads
> ON_RECVRY_THREADS 1 # Default number of online worker> threads
>
>
> # Data Replication Variables
>
>
> # DRAUTO: 0 manual, 1 retain type, 2 reverse type
>
>
> DRAUTO 0 # DR automatic switchover>
>
> DRINTERVAL 30 # DR max time between DR buffer flushes>
> (in sec)
> DRTIMEOUT 30 # DR network timeout (in sec)>
>
> DRLOSTFOUND /usr/informix__prd_my/etc/dr.lostfound # DR lost+found
> file path
>
>
> # CDR Variables
>
>
> CDR_LOGBUFFERS 2048 # size of log reading buffer pool
> (Kbytes)
> CDR_EVALTHREADS 1,2 # evaluator threads
> (per-cpu-vp,additional)
> CDR_DSLOCKWAIT 5 # DS lockwait timeout (seconds)>
>
> CDR_QUEUEMEM 4096 # Maximum amount of memory for any CDR
> queue (Kb
> ytes)>
>
> CDR_LOGDELTA 30 # % of log space allowed in queue
> memory
> CDR_NUMCONNECT 16 # Expected connections per server
>
>
> CDR_NIFRETRY 300 # Connection retry (seconds)
>
>
> CDR_NIFCOMPRESS 0 # Link level compression (-1 never, 0
> none, 9 ma
> x)>
>
> # Backup/Restore variables
>
>
> BAR_ACT_LOG /us