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관심을 가져 주셔서 감사드립니다.
필요하시다는 정보를 알려드리겠습니다.
1. onstat -p
Informix Dynamic Server Version 7.31.UC4 -- On-Line -- Up 8 days 11:10:30 --
-1668080 Kbytes
Profile
dskreads pagreads bufreads %cached dskwrits pagwrits bufwrits %cached
42094928 22024796 1945444226 97.84 23481142 22829239 360938164 93.49
isamtot open start read write rewrite delete commit rollbk
8734673 37167817 277463179 1289249652 136996407 13465472 41705966 11875575 2590
gp_read gp_write gp_rewrt gp_del gp_alloc gp_free gp_curs
0 0 0 0 0 0 0
ovlock ovuserthread ovbuff usercpu syscpu numckpts flushes
0 0 0 797073.85 123690.84 5713 15574
bufwaits lokwaits lockreqs deadlks dltouts ckpwaits compress seqscans
3801737 4718 511565332 1025 0 20053 8549565 34672004
ixda-RA idx-RA da-RA RA-pgsused lchwaits
9251537 1339689 10207850 20352716 14716776
2. onstat -F
Fg Writes LRU Writes Chunk Writes
0 9159293 12964600
address flusher state data
7d2c2500 0 I 0 = 0X0
7d2c29ec 1 I 0 = 0X0
7d2c2ed8 2 I 0 = 0X0
7d2c33c4 3 I 0 = 0X0
7d2c38b0 4 I 0 = 0X0
7d2c3d9c 5 I 0 = 0X0
7d2c4288 6 I 0 = 0X0
7d2c4774 7 I 0 = 0X0
states: Exit Idle Chunk Lru
3. onstat -l
Physical Logging
Buffer bufused bufsize numpages numwrits pages/io
P-2 0 128 9709534 112842 86.05
phybegin physize phypos phyused %used
10003f 250000 165028 0 0.00
Logical Logging
Buffer bufused bufsize numrecs numpages numwrits recs/pages pages/io
L-3 0 128 337659028 13572937 135704 24.9 100.0
Subsystem numrecs Log Space used
OLDRSAM 337659028 1581587664
address number flags uniqid begin size used %used
300126c8 1 U-B---- 1753 13d0cf 50000 50000 100.00
300126e4 2 U-B---- 1754 14941f 50000 50000 100.00
30012700 3 U-B---- 1755 15576f 50000 50000 100.00
3001271c 4 U-B---- 1756 161abf 50000 50000 100.00
30012738 5 U---C-L 1757 16de0f 50000 5704 11.41
30012754 6 U-B---- 1750 17a15f 50000 50000 100.00
30012770 7 U-B---- 1751 1864af 50000 50000 100.00
3001278c 8 U-B---- 1752 1927ff 50000 50000 100.00
4. informix 매개변수들(onstat -c)
# Physical Log Configuration
PHYSDBS rootdbs # Location (dbspace) of physical log
PHYSFILE 500000 # Physical log file size (Kbytes)
# Logical Log Configuration
LOGFILES 8 # Number of logical log files
LOGSIZE 100000 # Logical log size (Kbytes)
# Diagnostics
MSGPATH /informix/online.log # System message log file path
CONSOLE /dev/console # System console message path
ALARMPROGRAM /informix/etc/no_log.sh #log_full.sh # Alarm program path
SYSALARMPROGRAM /informix/etc/evidence.sh # System Alarm program path
TBLSPACE_STATS 1
# System Archive Tape Device
TAPEDEV /dev/rmt/1 # Tape device path
TAPEBLK 64 # Tape block size (Kbytes)
TAPESIZE 34500000 # Maximum amount of data to put on tape (Kbytes
)
#TAPEDEV /informix/BACKUP/archive # Tape device path
#TAPEBLK 64 # Tape block size (Kbytes)
#TAPESIZE 2000000 # Maximum amount of data to put on tape (Kbytes
)
#
# Log Archive Tape Device
# Log Archive Tape Device
LTAPEDEV /dev/null # Log tape device path
LTAPEBLK 64 # Log tape block size (Kbytes)
LTAPESIZE 34500000 # Max amount of data to put on log tape (Kbytes
)
# Optical
STAGEBLOB # Informix Dynamic Server/Optical staging area
# System Configuration
SERVERNUM 100 # Unique id corresponding to a Dynamic Server
instance
NETTYPE tlitcp,7,300,NET
DEADLOCK_TIMEOUT 60 # 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 7 # 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 5000000 # Maximum number of locks
BUFFERS 600000 # Maximum number of shared buffers
NUMAIOVPS 2 # Number of IO vps
PHYSBUFF 256 # Physical log buffer size (Kbytes)
LOGBUFF 256 # Logical log buffer size (Kbytes)
LOGSMAX 20 # Maximum number of logical log files
CLEANERS 8 # Number of buffer cleaner processes
SHMBASE 0x20000000 # Shared memory base address
SHMVIRTSIZE 1000000 # initial virtual shared memory segment size
SHMADD 100000 # Size of new shared memory segments (Kbytes)
SHMTOTAL 3500000 # Total shared memory (Kbytes). 0=>unlimited
CKPTINTVL 90 # Check point interval (in sec)
LRUS 32 # Number of LRU queues
LRU_MAX_DIRTY 1 # LRU percent dirty begin cleaning limit
LRU_MIN_DIRTY 0 # 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 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
# 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 /informix/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)
# Backup/Restore variables
BAR_ACT_LOG /tmp/bar_act.log
BAR_MAX_BACKUP 0
BAR_RETRY 1
BAR_NB_XPORT_COUNT 10
BAR_XFER_BUF_SIZE 31
BAR_BSALIB_PATH /usr/lib/ibsad001.so
# Informix Storage Manager variables
ISM_DATA_POOL ISMData # If the data pool name is changed, be sure to
# update $INFORMIXDIR/bin/onbar. Change to
# ism_catalog -create_bootstrap -pool <new name>
ISM_LOG_POOL ISMLogs
# Read Ahead Variables
RA_PAGES 1024 # Number of pages to attempt to read ahead
RA_THRESHOLD 1023 # 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 tmpdbs # 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 /tmp # Preserve diagnostics in this directory
DUMPSHMEM 0 # Dump a copy of shared memory
DUMPGCORE 0 # Dump a core image using 'gcore'
DUMPCORE 0 # Dump a core image (Warning:this aborts Dynamic
Server)
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 O
S(slow)
# Parallel Database Queries (pdq)
MAX_PDQPRIORITY 100 # Maximum allowed pdqpriority
DS_MAX_QUERIES 5 # Maximum number of decision support queries
DS_TOTAL_MEMORY 300000 # 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 0 # To hint the optimizer
ONDBSPACEDOWN 2 # Dbspace down option: 0 = CONTINUE, 1 = ABORT,
2 = WAIT
LBU_PRESERVE 1 # Preserve last log for log backup
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
# Optimization goal: -1 = ALL_ROWS(Default), 0 = FIRST_ROWS
OPT_GOAL -1
# Optimizer DIRECTIVES ON (1/Default) or OFF (0)
DIRECTIVES 1
# Status of restartable restore
RESTARTABLE_RESTORE off
-- 강병철 님이 쓰신 글:
>> 흠....이것만으로는 잘 모르겠구요...
>> 더 필요한 정보는...
>> onstat -p
>> onstat -F
>> onstat -l
>> onconfig 파일
>> 그리고....이 DB서버의 용도는 OLTP가 맞나요?
>> 아님 DSS인가요?
>> 것두 필요할것 같구....
>> 또 뭐가 있을까?????
>> 근데 사실 이경우는 계속 모니터링을 해야 하는데..
>> 단편적인 정보로는 약간 어려움이 있겠네요..
>> 필요하시면 인포믹스 서버튜닝가이드를 보내드리져..
>> 그럼...이만...
>>
>>
>> -- 김재남 님이 쓰신 글:
>> >> Log파일을 보면 check point duration이 너무 긴것 같습니다.
>> >> 도대체 왜 이런지 모르겠습니다. 몇가지 엔진 매개변수는 아래와 같습니다.
>> >> 먼저 하드웨어사항을 말씀드리겠습니다.
>> >>
>> >> 하드웨어사항.
>> >> 1. os : DG/UX (Data General Unix)
>> >> 2. cpu : 8개
>> >> 3. ram : 4기가바이트
>> >> 4. disk수 : 8개(개당 8기가. 개당 1기가씩 8개의 dbspace)
>> >>
>> >> 엔진매개변수
>> >> 1. BUFFERS 600000
>> >> 2. CLEANERS 8
>> >> 3. LRUS 32
>> >> 4. NUMCPUVPS 7
>> >> 5. LRU_MAX_DIRTY 1
>> >> 6. LRU_MIN_DIRTY 0
>> >>
>> >> 상태를 파악하는데 더 필요한 사항이 있다면 말씀해 주세요...
>> >> 꼭 해결하고 싶습니다.
>> >> 많은 분들의 관심바랍니다.
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