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IDS Forum

Re: Performance Tuning Discussion

Posted By: Art Kagel
Date: Monday, 4 March 2013, at 7:49 a.m.

In Response To: RE: Performance Tuning Discussion (Alexandre Marini)

The metrics script package is ratios.shr_ak. You can download it from the
IIUG Software Repository. The report that it produces displays five basic
metrics which will tell you at a glance how well your server is performing.
The suggested interpretations (described in the report output) assume an
OLTP instance with some DSS style queries present.

Your may also want to look at some of my performance tuning presentations
from past International Informix Users Group conferences which you can
download from the IIUG members' pages once you log in to the IIUG site.

Art

Art S. Kagel
Advanced DataTools (www.advancedatatools.com)
Blog: http://informix-myview.blogspot.com/

Disclaimer: Please keep in mind that my own opinions are my own opinions
and do not reflect on my employer, Advanced DataTools, the IIUG, nor any
other organization with which I am associated either explicitly,
implicitly, or by inference. Neither do those opinions reflect those of
other individuals affiliated with any entity with which I am affiliated nor
those of the entities themselves.

On Mon, Mar 4, 2013 at 7:04 AM, Alexandre Marini <alexandre@briug.org>wrote:

> 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.
> >
>
>
>
> *******************************************************************************
> Forum Note: Use "Reply" to post a response in the discussion forum.
>
>

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