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IDS Forum

What are best onconfig parameters for a DSS app

Posted By: FRANK J. COMPUTER
Date: Monday, 7 May 2012, at 5:12 p.m.

1. Informix 11.70.TC4DE, Windows Vista with Dual Core Processor, 8GB RAM, 1TB HDD:
2. DSS app for querying a 200MB table, joining to a couple of fact tables.
3. Mainly aggregate and time series queries against a transaction history table.
4. Only one user will be submitting queries.
5. No updates or deletes will be done.
6. No inserts, other than the initial load of the target and fact tables.

During the installation of this server, I specified it was going to be used for a data warehousing application. The install script generated an onconfig parameter file, based on my supplied answers. Can any of these parameters be changed to maximize the performance of the server?

#(onconfig.ol_informix1170) - for data warehousing app.

ROOTNAME rootdbs
ROOTPATH C:\PROGRA~1\IBM\Informix\11.70\OL_INF~2\dbspaces\rootdbs.000
ROOTOFFSET 0
ROOTSIZE 212992
MIRROR 0
MIRRORPATH
MIRROROFFSET 0

PHYSFILE 49152
PLOG_OVERFLOW_PATH
PHYSBUFF 512

LOGFILES 6
LOGSIZE 10000
DYNAMIC_LOGS 2
LOGBUFF 256

LTXHWM 70
LTXEHWM 80

MSGPATH C:\PROGRA~1\IBM\Informix\11.70\ol_informix1170_1.log
CONSOLE C:\PROGRA~1\IBM\Informix\11.70\ol_informix1170_1.con

TBLTBLFIRST 0
TBLTBLNEXT 0
TBLSPACE_STATS 1

DBSPACETEMP tempdbs
SBSPACETEMP

SBSPACENAME sbspace
SYSSBSPACENAME
ONDBSPACEDOWN 2

SERVERNUM 6
DBSERVERNAME ol_informix1170_1
DBSERVERALIASES dr_informix1170_1

NETTYPE olsoctcp,1,150,NET
LISTEN_TIMEOUT 60
MAX_INCOMPLETE_CONNECTIONS 1024
FASTPOLL 1
NS_CACHE host=900,service=900,user=900,group=900

MULTIPROCESSOR 0
VPCLASS cpu,num=1,noage
VP_MEMORY_CACHE_KB 0
SINGLE_CPU_VP 1

#VPCLASS aio,num=1
CLEANERS 2
AUTO_AIOVPS 1
DIRECT_IO 0

LOCKS 2000
DEF_TABLE_LOCKMODE page

RESIDENT 0
SHMBASE 0xc000000L
SHMVIRTSIZE 209920
SHMADD 6560
EXTSHMADD 8192
SHMTOTAL 0
SHMVIRT_ALLOCSEG 0,3
#SHMNOACCESS 0x70000000-0x7FFFFFFF

CKPTINTVL 300
AUTO_CKPTS 1
RTO_SERVER_RESTART 60

BLOCKTIMEOUT 3600

CONVERSION_GUARD 2
RESTORE_POINT_DIR $INFORMIXDIR\tmp

TXTIMEOUT 300
DEADLOCK_TIMEOUT 60

HETERO_COMMIT 0

TAPEDEV \\.\TAPE0
TAPEBLK 16
TAPESIZE 0

LTAPEDEV
LTAPEBLK 16
LTAPESIZE 0

BAR_ACT_LOG $INFORMIXDIR\tmp\bar_act.log
BAR_DEBUG_LOG $INFORMIXDIR\tmp\bar_dbug.log
BAR_DEBUG 0
BAR_MAX_BACKUP 0
BAR_RETRY 1
BAR_NB_XPORT_COUNT 20
BAR_XFER_BUF_SIZE 15
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
PRELOAD_DLL_FILE

STMT_CACHE 0
STMT_CACHE_HITS 0
STMT_CACHE_SIZE 512
STMT_CACHE_NOLIMIT 0
STMT_CACHE_NUMPOOL 1

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 188928

MAX_PDQPRIORITY 100
DS_MAX_QUERIES 1
DS_TOTAL_MEMORY 188928
DS_MAX_SCANS 1
DS_NONPDQ_QUERY_MEM 188928
DATASKIP

OPTCOMPIND 2
DIRECTIVES 1
EXT_DIRECTIVES 0
OPT_GOAL -1
IFX_FOLDVIEW 0
AUTO_REPREPARE 1
USTLOW_SAMPLE 0

RA_PAGES 64
RA_THRESHOLD 16
BATCHEDREAD_TABLE 1
BATCHEDREAD_INDEX 1
BATCHEDREAD_KEYONLY 0

EXPLAIN_STAT 1
#SQLTRACE level=low,ntraces=1000,size=2,mode=global

#DBCREATE_PERMISSION informix
#DB_LIBRARY_PATH
IFX_EXTEND_ROLE 1
SECURITY_LOCALCONNECTION
UNSECURE_ONSTAT
ADMIN_USER_MODE_WITH_DBSA
ADMIN_MODE_USERS

PLCY_POOLSIZE 127
PLCY_HASHSIZE 31
USRC_POOLSIZE 127

USRC_HASHSIZE 31

STAGEBLOB
OPCACHEMAX 0

SQL_LOGICAL_CHAR OFF

SEQ_CACHE_SIZE 10

ENCRYPT_HDR
ENCRYPT_SMX
ENCRYPT_CDR 0
ENCRYPT_CIPHERS
ENCRYPT_MAC
ENCRYPT_MACFILE
ENCRYPT_SWITCH

CDR_EVALTHREADS 1,2
CDR_DSLOCKWAIT 5
CDR_QUEUEMEM 4096
CDR_NIFCOMPRESS 0
CDR_SERIAL 0
CDR_DBSPACE
CDR_QHDR_DBSPACE
CDR_QDATA_SBSPACE
CDR_SUPPRESS_ATSRISWARN
CDR_DELAY_PURGE_DTC 0
CDR_LOG_LAG_ACTION ddrblock
CDR_LOG_STAGING_MAXSIZE 0
CDR_MAX_DYNAMIC_LOGS 0

DRAUTO 0
DRINTERVAL 30
DRTIMEOUT 30
HA_ALIAS
DRLOSTFOUND $INFORMIXDIR\etc\dr.lostfound
DRIDXAUTO 0
LOG_INDEX_BUILDS
SDS_ENABLE
SDS_TIMEOUT 20
SDS_TEMPDBS
SDS_PAGING
SDS_LOGCHECK 0
UPDATABLE_SECONDARY 0
FAILOVER_CALLBACK
FAILOVER_TX_TIMEOUT 0
TEMPTAB_NOLOG 0
DELAY_APPLY 0
STOP_APPLY 0
LOG_STAGING_DIR
RSS_FLOW_CONTROL 0
ENABLE_SNAPSHOT_COPY 0
SMX_COMPRESS 0

ON_RECVRY_THREADS 2
OFF_RECVRY_THREADS 5

DUMPDIR $INFORMIXDIR\tmp
DUMPSHMEM 1
DUMPGCORE 0
DUMPCORE 0

DUMPCNT 1

ALARMPROGRAM $INFORMIXDIR\etc\alarmprogram.bat
ALRM_ALL_EVENTS 0
#SYSALARMPROGRAM $INFORMIXDIR\etc\evidence.bat
STORAGE_FULL_ALARM 600,3

RAS_PLOG_SPEED 10982
RAS_LLOG_SPEED 0

EILSEQ_COMPAT_MODE 0

QSTATS 0
WSTATS 0

#VPCLASS MQ,noyield
MQSERVER
MQCHLLIB

MQCHLTAB

#VPCLASS jvp,num=1
#JVPJAVAHOME $INFORMIXDIR\extend\krakatoa\jre
#JVPHOME $INFORMIXDIR\extend\krakatoa
JVPPROPFILE $INFORMIXDIR\extend\krakatoa\.jvpprops
JVPLOGFILE $INFORMIXDIR\jvp.log
#JDKVERSION 1.5
#JVPJAVALIB \bin
#JVPJAVAVM jvm
#JVPARGS -verbose:jni
#JVPCLASSPATH $INFORMIXDIR\extend\krakatoa\krakatoa_g.jar;$INFORMIXDIR\extend\krakatoa\jdbc_g.jar
JVPARGS -Dcom.ibm.tools.attach.enable=no
JVPCLASSPATH $INFORMIXDIR\extend\krakatoa\krakatoa.jar;$INFORMIXDIR\extend\krakatoa\jdbc.jar

BUFFERPOOL default,buffers=10000,lrus=8,lru_min_dirty=50.00,lru_max_dirty=60.50
BUFFERPOOL size=4K,buffers=13108,lrus=16,lru_min_dirty=70.00,lru_max_dirty=80.00
AUTO_LRU_TUNING 1

USERMAPPING OFF

SP_AUTOEXPAND 1
SP_THRESHOLD 0
SP_WAITTIME 30

DEFAULTESCCHAR \

LOW_MEMORY_RESERVE 0
LOW_MEMORY_MGR 0

REMOTE_SERVER_CFG
REMOTE_USERS_CFG

S6_USE_REMOTE_SERVER_CFG 0

GSKIT_VERSION

NETTYPE drsoctcp,1,150,NET

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