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各位大虾,我原来有一台 windows NT+ informix 7.3.1 作为数据仓库服务器，觉得速度不够快，又新买一台更好的服务器，
安装 windows 2000 server + informix 9.3.0,但是我把原来的数据 dbexport 后， dbimport 到新的服务器，
但是发现运行的速度更慢了，原来一个procedure 运行要1个小时，现在要2天。
新的服务器 有 4 CPU + 4G 内存，informix 配置与原来的配置基本一样，
配置如下：
#**************************************************************************
#
# INFORMIX SOFTWARE, INC.
#
# Title: onconfig.std
# Description: Informix Dynamic Server Configuration Parameters
#
#**************************************************************************
# Root Dbspace Configuration
ROOTNAME rootdbs # Root dbspace name
ROOTPATH d:\IFMXDATA\ol_xib\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 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 logdbs # Location (dbspace) of physical log
PHYSFILE 1000000 # Physical log file size (Kbytes)
# Logical Log Configuration
LOGFILES 58 # Number of logical log files
LOGSIZE 5000 # Logical log size (Kbytes)
LOG_BACKUP_MODE MANUAL # Logical log backup mode (MANUAL, CONT)
# Diagnostics
MSGPATH d:\Informix\ol_xib.log # System message log file path
CONSOLE d:\Informix\conol_xib.log # System console message path
ALARMPROGRAM d:\Informix\etc\log_full.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 \\.\TAPE0 # Tape device path
TAPEDEV nul
TAPEBLK 16 # Tape block size (Kbytes)
TAPESIZE 209715200 # 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 0 # Unique id corresponding to a server instance
DBSERVERNAME ol_xib # 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 in distributed env.
RESIDENT 0 # Forced residency flag (Yes = 1, No = 0)
MULTIPROCESSOR 1 # 0 for single-processor, 1 for multi-processor
NUMCPUVPS 3 # Number of user (cpu) vps
SINGLE_CPU_VP 0 # If non-zero, limit number of cpu vps to one
NOAGE 0 # Process aging
AFF_SPROC 0 # Affinity start processor
AFF_NPROCS 0 # Affinity number of processors
# Shared Memory Parameters
LOCKS 200000 # Maximum number of locks
BUFFERS 200000 # Maximum number of shared buffers
NUMAIOVPS 1 # Number of IO vps
PHYSBUFF 512 # Physical log buffer size (Kbytes)
LOGBUFF 512 # Logical log buffer size (Kbytes)
CLEANERS 3 # Number of buffer cleaner processes
SHMBASE 0xc000000 # Shared memory base address
SHMVIRTSIZE 64000 # initial virtual shared memory segment size
SHMADD 8192 # Size of new shared memory segments (Kbytes)
SHMTOTAL 0 # Total shared memory (Kbytes). 0=>;unlimited
CKPTINTVL 900 # Check point interval (in sec)
LRUS 8 # Number of LRU queues
LRU_MAX_DIRTY 60 # LRU percent dirty begin cleaning limit
LRU_MIN_DIRTY 50 # LRU percent dirty end cleaning limit
TXTIMEOUT 0x12c # Transaction timeout (in sec)
STACKSIZE 64 # 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
# 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 worker threads
ON_RECVRY_THREADS 1 # Default number of online worker threads
# Data Replication Variables
DRINTERVAL 30 # DR max time between DR buffer flushes (in sec)
DRTIMEOUT 30 # DR network timeout (in sec)
DRLOSTFOUND \tmp # DR lost+found file path
# CDR Variables
CDR_EVALTHREADS 1,2 # evaluator threads (per-cpu-vp,additional)
CDR_DSLOCKWAIT 5 # DS lockwait timeout (seconds)
CDR_QUEUEMEM 4096 # Maximum memory for any CDR queue (Kbytes)
CDR_QHDR_DBSPACE # CDR queue dbspace (default same as catalog)
CDR_QDATA_SBSPACE # CDR queue smart blob space
CDR_QDATA_SBFLAGS 2 # Log/no-log (default no log)
CDR_NIFCOMPRESS 0 # Link level compression (-1 never, 0 none, 9 max)
# Backup/Restore variables
BAR_ACT_LOG d:\Informix\bar_ol_xib.log #Path of log file for onbar.exe
BAR_MAX_BACKUP 1
BAR_RETRY 1
BAR_NB_XPORT_COUNT 10
BAR_XFER_BUF_SIZE 15
BAR_BSALIB_PATH d:\ISM\2.20\bin\libbsa.dll # Location of ISM XBSA DLL
RESTARTABLE_RESTORE on #To support restartable restore..values on/off
# Informix Storage Manager variables
ISM_DATA_POOL ISMData
ISM_LOG_POOL ISMLogs
# Read Ahead Variables
RA_PAGES 8 # Number of pages to attempt to read ahead
RA_THRESHOLD 4 # Number of pages left before next group
# DBSPACETEMP:
# Dynamic Server equivalent of DBTEMP for SE. This is the list of dbspaces
# that the Dynamic Server SQL Engine will use to create temp tables etc.
# If specified it must be a colon separated list of dbspaces that exist
# when the Dynamic Server system is brought online. If not specified, or if
# all dbspaces specified are invalid, various ad hoc queries will create
# temporary files in /tmp instead.
DBSPACETEMP tempdbs # Default temp dbspaces
# DUMP*:
# The following parameters control the type of diagnostics information which
# is preserved when an unanticipated error condition (assertion failure) occurs
# during Dynamic Server operations.
# For DUMPSHMEM, DUMPGCORE and DUMPCORE 1 means Yes, 0 means No.
DUMPDIR d:\tmp # Preserve diagnostics in this directory
DUMPSHMEM 1 # Dump a copy of shared memory
DUMPGCORE 0 # Dump a core image using 'gcore'
DUMPCORE 0 # Dump a core image (Warning:this aborts Dynamic
DUMPCNT 1 # Number of shared memory or gcore dumps for
# a single user's session
FILLFACTOR 90 # Fill factor for building indexes
# method for Dynamic Server to use when determining current time
USEOSTIME 0 # 0: use internal time(fast), 1: get time from OS(slow)
# Parallel Database Queries (pdq)
MAX_PDQPRIORITY 100 # Maximum allowed pdqpriority
DS_MAX_QUERIES 32 # Maximum number of decision support queries
DS_TOTAL_MEMORY 4096 # Decision support memory (Kbytes)
DS_MAX_SCANS 1048576 # Maximum number of decision support scans
DATASKIP off # List of dbspaces to skip
# OPTCOMPIND
# 0 =>; Nested loop joins will be preferred (where
# possible) over sortmerge joins and hash joins.
# 1 =>; If the transaction isolation mode is not
# "repeatable read", optimizer behaves as in (2)
# below. Otherwise it behaves as in (0) above.
# 2 =>; Use costs regardless of the transaction isolation
# mode. Nested loop joins are not necessarily
# preferred. Optimizer bases its decision purely
# on costs.
OPTCOMPIND 2 # To hint the optimizer
DIRECTIVES 1 # Optimizer DIRECTIVES ON (1/Default) or OFF (0)
ONDBSPACEDOWN 2 # Dbspace down option: 0 = CONTINUE, 1 = ABORT, 2 = WAIT
OPCACHEMAX 0 # Maximum optical cache size (Kbytes)
# HETERO_COMMIT (Gateway participation in distributed transactions)
# 1 =>; Heterogeneous Commit is enabled
# 0 (or any other value) =>; Heterogeneous Commit is disabled
HETERO_COMMIT 0
SBSPACENAME sbspace # Default sbspace
BLOCKTIMEOUT 3600 # Default timeout for system block
# Optimization goal: -1 = ALL_ROWS(Default), 0 = FIRST_ROWS
OPT_GOAL -1
ALLOW_NEWLINE 0 # embedded newlines(Yes = 1, No = 0 or anything but 1)
SYSSBSPACENAME sbspace # Default System sbspace
#
# The following are default settings for enabling Java in the database.
#
#VPCLASS jvp,num=1 # Number of JVPs to start with
JVPJAVAHOME d:\Informix\extend\krakatoa\jre
# JDK installation root directory
JVPHOME d:\Informix\extend\krakatoa # Krakatoa installation directory
JVPPROPFILE d:\Informix\extend\krakatoa\.jvpprops_ol_xib # JVP property file
JDKVERSION 1.3 # JDK version supported by this server
# The path to the JRE libraries relative to JVPJAVAHOME
JVPJAVALIB \bin\
JVPJAVAVM hpi;server;verify;java;net;zip;jpeg
# Classpath to use upon Java VM start-up (use _g version for debugging)
JVPCLASSPATH d:\Informix\extend\krakatoa\krakatoa.jar;d:\Informix\extend\krakatoa\jdbc.jar
JVPLOGFILE d:\Informix\extend\krakatoa/jvp.log # JVP log file.
onstat -p 显示如下：
Profile
dskreads pagreads bufreads %cached dskwrits pagwrits bufwrits %cached
15581038 15542294 558937370 97.21 671271 1448475 19529612 96.56
isamtot open start read write rewrite delete commit rollbk
123997558 453609 3881103 83966991 3577960 1848918 1064711 4933 2
gp_read gp_write gp_rewrt gp_del gp_alloc gp_free gp_curs
2 0 0 0 0 0 2
ovlock ovuserthread ovbuff usercpu syscpu numckpts flushes
0 0 0 8398.23 1283.38 13 166
bufwaits lokwaits lockreqs deadlks dltouts ckpwaits compress seqscans
1799335 0 515170639 0 0 9 1418324 914553
ixda-RA idx-RA da-RA RA-pgsused lchwaits
40018 494 14126775 14143954 1322670
请问，我需要改哪些配置，谢谢！ |
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发表于 2004-06-15 10:22
发表于 2004-06-15 12:10
