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IDS Forum

RE: Performance Tuning Discussion

Posted By: Alexandre Marini
Date: Monday, 4 March 2013, at 7:04 a.m.

In Response To: Re: Performance Tuning Discussion (MOHAMMAD IRFAN)

Ok it seems you have a big hardware, whatīs your Informix version? Whatīs your box architecture?

For performance tips, there is a good article in Andrew Fordīs blog, that should clarify your thoughts....
http://www.informix-dba.com/p/informix-innovator-c-tuning-basics.html

This article, from , is very good, also:
http://www.ibm.com/developerworks/data/library/techarticle/dm-1104tuneinformix1/index.html

Iīd suggest you to go through Art Kagel engine metrics, search into CDI archives for newratios package, install it, and then you should have a good "first steps" to follow....

If you have any specific doubt, we could help you further....

Good luck, and regards.

Alexandre Marini
IBM Informix Certified Professional v10 / v11.50 / v11.70

IBM Information Management Informix Technical Professional

IBM Infosphere DataStage Technical Professional
Informix Senior DBA - Orizon Brasil
BRIUG website administrator
Informix independent consultant

> To: ids@iiug.org
> From: irfan199@yahoo.com
> Subject: Re: Performance Tuning Discussion [29665]
> Date: Mon, 4 Mar 2013 06:46:12 -0500
>
> What are the tools to perform monitoring and tuning on the informix instance?
> As far as I know I've been using onstat - (lots of options) but I doesn't seem
> to enable to interpret all the information.
>
> My goals is to get Nice DSS Performance. For OLTP function it is necessary to
> load big data.
>
> onstat -c result:
>
> ROOTNAME rootdbs
> ROOTPATH /opt/zzz/dbspaces/rootdbs
> ROOTOFFSET 0
> # ROOTSIZE 200000
> ROOTSIZE 5000000
> MIRROR 1
> #MIRRORPATH $INFORMIXDIR/tmp/demo_on.root_mirror
> MIRRORPATH /opt/zzz/mdbspaces/rootdbs
>
> MIRROROFFSET 0
>
> PHYSFILE 8304722
> PLOG_OVERFLOW_PATH /opt/informix/tmp
>
> PHYSBUFF 128
>
> LOGFILES 17
> LOGSIZE 5000
> DYNAMIC_LOGS 0
>
> LOGBUFF 128
>
> LTXHWM 70
>
> LTXEHWM 80
>
> MSGPATH /opt/zzz/online.log
>
> #CONSOLE $INFORMIXDIR/tmp/online.con
> CONSOLE /opt/zzz/online.con
>
> TBLTBLFIRST 0
> TBLTBLNEXT 0
>
> TBLSPACE_STATS 1
>
> #DBSPACETEMP tempdbs:tempdbs1:tempdbs2:tempdbs4
> DBSPACETEMP tempdbs1:tempdbs2:tempdbs3:tempdbs4
>
> SBSPACETEMP
>
> SBSPACENAME sbspace
> SYSSBSPACENAME
>
> ONDBSPACEDOWN 2
>
> SERVERNUM 0
> DBSERVERNAME zzz
> # DBSERVERALIASES dr_informix1170
>
> FULL_DISK_INIT 0
>
> NETTYPE ipcshm,1,50,CPU
> NETTYPE soctcp,1,150,NET
> LISTEN_TIMEOUT 60
> MAX_INCOMPLETE_CONNECTIONS 1024
> FASTPOLL 1
>
> NS_CACHE host=900,service=900,user=900,group=900
>
> MULTIPROCESSOR 1
> VPCLASS cpu,num=15,noage
> #VP_MEMORY_CACHE_KB 800
> #VP_MEMORY_CACHE_KB 262144
> VP_MEMORY_CACHE_KB 100000
>
> SINGLE_CPU_VP 0
>
> #VPCLASS aio,num=1
> VPCLASS aio,num=10,noage
> CLEANERS 8
> AUTO_AIOVPS 1
>
> DIRECT_IO 1
>
> #LOCKS 100000
> LOCKS 50000
>
> #DEF_TABLE_LOCKMODE page
> DEF_TABLE_LOCKMODE row
>
> #RESIDENT 0
> #RESIDENT 1
> RESIDENT -1
> SHMBASE 0x44000000
> #SHMVIRTSIZE 32656
> #SHMADD 8192
> #EXTSHMADD 8192
> SHMVIRTSIZE 35651584
> SHMADD 32768
> EXTSHMADD 32768
> # SHMTOTAL 0
> # SHMTOTAL 15099494
> SHMTOTAL 48234496
> SHMVIRT_ALLOCSEG 0.000000
>
> SHMNOACCESS aio,num=10,noage
>
> CKPTINTVL 300
> AUTO_CKPTS 1
> RTO_SERVER_RESTART 0
>
> BLOCKTIMEOUT 3600
>
> CONVERSION_GUARD 2
>
> RESTORE_POINT_DIR /opt/informix/tmp
>
> TXTIMEOUT 300
> DEADLOCK_TIMEOUT 60
>
> HETERO_COMMIT 0
>
> TAPEDEV /dev/tapedev
> TAPEBLK 32
>
> TAPESIZE 0
>
> LTAPEDEV /dev/null
> LTAPEBLK 32
>
> LTAPESIZE 0
>
> BAR_ACT_LOG /opt/informix/tmp/bar_act.log
> BAR_DEBUG_LOG /opt/informix/tmp/bar_dbug.log
> BAR_DEBUG 0
> BAR_MAX_BACKUP 0
> BAR_RETRY 1
> BAR_NB_XPORT_COUNT 20
> BAR_XFER_BUF_SIZE 31
> RESTARTABLE_RESTORE on
> BAR_PROGRESS_FREQ 0
> BAR_BSALIB_PATH
> BACKUP_FILTER
> RESTORE_FILTER
> BAR_PERFORMANCE 0
>
> BAR_CKPTSEC_TIMEOUT 15
>
> ISM_DATA_POOL ISMData
>
> ISM_LOG_POOL ISMLogs
>
> DD_HASHSIZE 31
>
> DD_HASHMAX 10
>
> DS_HASHSIZE 31
>
> DS_POOLSIZE 127
>
> PC_HASHSIZE 31
> PC_POOLSIZE 127
>
> #STMT_CACHE 0
> #STMT_CACHE 1
> STMT_CACHE 2
> STMT_CACHE_HITS 0
> #STMT_CACHE_SIZE 512
> STMT_CACHE_SIZE 2046
> STMT_CACHE_NOLIMIT 0
>
> #STMT_CACHE_NUMPOOL 1
> STMT_CACHE_NUMPOOL 256
>
> USEOSTIME 0
> STACKSIZE 64
> ALLOW_NEWLINE 0
>
> USELASTCOMMITTED NONE
>
> FILLFACTOR 90
> MAX_FILL_DATA_PAGES 0
> BTSCANNER num=1,threshold=5000,rangesize=-1,alice=6,compression=default
>
> ONLIDX_MAXMEM 5120
>
> MAX_PDQPRIORITY 100
> #DS_MAX_QUERIES
> DS_MAX_QUERIES 245760
> #DS_TOTAL_MEMORY
> DS_TOTAL_MEMORY 33554432
> #DS_MAX_SCANS 1048576
> DS_MAX_SCANS 1048576
> #DS_NONPDQ_QUERY_MEM 128
> DS_NONPDQ_QUERY_MEM 7864320
>
> PSORT_NPROCS 4
>
> DATASKIP off
>
> #OPTCOMPIND 2
> OPTCOMPIND 0
> DIRECTIVES 1
> EXT_DIRECTIVES 0
> OPT_GOAL -1
> #IFX_FOLDVIEW 0
> IFX_FOLDVIEW 1
> AUTO_REPREPARE 1
> AUTO_STAT_MODE 1
>
> STATCHANGE 10
>
> RA_PAGES 128
> RA_THRESHOLD 120
> BATCHEDREAD_TABLE 1
> BATCHEDREAD_INDEX 1
>
> BATCHEDREAD_KEYONLY 0
>
> #SQLTRACE level=low,ntraces=1000,size=2,mode=global
> EXPLAIN_STAT 1
> SQLTRACE level=low,ntraces=1000,size=2,mode=global
>
> #DBCREATE_PERMISSION informix
> #DB_LIBRARY_PATH
> IFX_EXTEND_ROLE 1
> SECURITY_LOCALCONNECTION 0
> UNSECURE_ONSTAT 0
> ADMIN_USER_MODE_WITH_DBSA 0
>
> PLCY_POOLSIZE 127
> PLCY_HASHSIZE 31
> USRC_POOLSIZE 127
>
> USRC_HASHSIZE 31
>
> STAGEBLOB
>
> OPCACHEMAX 0
>
> ENCRYPT_HDR 0
> ENCRYPT_SMX 0
> ENCRYPT_CDR 0
> ENCRYPT_CIPHERS
> ENCRYPT_MAC medium
> ENCRYPT_MACFILE
> builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin,builtin
>
> ENCRYPT_SWITCH 0,0
>
> CDR_EVALTHREADS 1,2
> CDR_DSLOCKWAIT 5
> CDR_QUEUEMEM 4096
> CDR_NIFCOMPRESS 0
> CDR_SERIAL 0,0
> CDR_DBSPACE
> CDR_QHDR_DBSPACE
> CDR_QDATA_SBSPACE
> CDR_SUPPRESS_ATSRISWARN
> CDR_LOG_LAG_ACTION ddrblock
> CDR_LOG_STAGING_MAXSIZE 0
>
> CDR_MAX_DYNAMIC_LOGS 0
>
> DRAUTO 0
> DRINTERVAL 30
> DRTIMEOUT 30
> HA_ALIAS
> DRLOSTFOUND /opt/informix/etc/dr.lostfound
> DRIDXAUTO 0
> LOG_INDEX_BUILDS 0
> SDS_ENABLE 0
> SDS_TIMEOUT 20
> SDS_PAGING
> UPDATABLE_SECONDARY 0
> FAILOVER_CALLBACK
> FAILOVER_TX_TIMEOUT 0
> TEMPTAB_NOLOG 0
> ENABLE_SNAPSHOT_COPY 0
>
> SMX_COMPRESS 0
>
> ON_RECVRY_THREADS 1
>
> OFF_RECVRY_THREADS 10
>
> DUMPDIR /opt/informix/tmp
> DUMPSHMEM 1
> DUMPGCORE 0
> DUMPCORE 0
>
> DUMPCNT 1
>
> ALARMPROGRAM /opt/informix/etc/alarmprogram.sh
> ALRM_ALL_EVENTS 0
> STORAGE_FULL_ALARM 600,3
>
> SYSALARMPROGRAM /opt/informix/etc/evidence.sh
>
> RAS_PLOG_SPEED 12232
>
> RAS_LLOG_SPEED 0
>
> EILSEQ_COMPAT_MODE 0
>
> QSTATS 0
> WSTATS 0
> USERMAPPING OFF
>
> SP_AUTOEXPAND 1
> SP_THRESHOLD 0.000000
>
> SP_WAITTIME 30
>
> DEFAULTESCCHAR \
>
> #VPCLASS MQ,noyield
> MQSERVER
> MQCHLLIB
>
> #VPCLASS jvp,num=1
> #JVPJAVAHOME $INFORMIXDIR/extend/krakatoa/jre
> #JVPHOME $INFORMIXDIR/extend/krakatoa
> JVPPROPFILE /opt/informix/extend/krakatoa/.jvpprops
> #JDKVERSION 1.5
> JVPLOGFILE /opt/informix/tmp/jvp.log
> #JVPJAVALIB /bin/j9vm
> #JVPJAVAVM jvm
> #JVPARGS -verbose:jni
> #JVPCLASSPATH
> $INFORMIXDIR/extend/krakatoa/krakatoa_g.jar:$INFORMIXDIR/extend/krakatoa/jdbc_g.jar
>
> JVPCLASSPATH
> /opt/informix/extend/krakatoa/krakatoa.jar:/opt/informix/extend/krakatoa/jdbc.jar
>
> BUFFERPOOL
> default,buffers=1000,lrus=15,lru_min_dirty=50.00,lru_max_dirty=60.00
> BUFFERPOOL
> size=2K,buffers=500000,lrus=60,lru_min_dirty=50.00,lru_max_dirty=60.00
> BUFFERPOOL
> size=16K,buffers=500000,lrus=60,lru_min_dirty=50.00,lru_max_dirty=60.00
> AUTO_LRU_TUNING 0
> DBSERVERALIASES
> NUMFDSERVERS 4
> USTLOW_SAMPLE 0
> ADMIN_MODE_USERS
> SQL_LOGICAL_CHAR off
> SEQ_CACHE_SIZE 10
> SDS_LOGCHECK 0
> DELAY_APPLY
> STOP_APPLY
> LOG_STAGING_DIR
> RSS_FLOW_CONTROL
> REMOTE_SERVER_CFG
> REMOTE_USERS_CFG
> S6_USE_REMOTE_SERVER_CFG 0
> LOW_MEMORY_RESERVE
> LOW_MEMORY_MGR 0
> GSKIT_VERSION 0x8
> JVPARGS
> DBUPSPACE 0:50
>
>
> *******************************************************************************
> Forum Note: Use "Reply" to post a response in the discussion forum.
>

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