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DB2 - Problem description
| Problem IC66629 | Status: Closed |
UPDATE DB CFG PARAMETERS MORE THAN 64 AT A TIME, MAY RESULT IN UNEXPECTED BEHAVIOUR. | |
| product: | |
DB2 FOR LUW / DB2FORLUW / 950 - DB2 | |
| Problem description: | |
While updating more than 64 DB CFG parameters at a
time, unexpected behaviour may occur such as infinite loops, or
even traps.
For eg:
UPDATE DB CFG FOR TEST USING
DYN_QUERY_MGMT
DISABLE
DISCOVER_DB
ENABLE
DFT_QUERYOPT 5
DFT_DEGREE 1
DFT_SQLMATHWARN NO
DFT_REFRESH_AGE 0
DFT_MTTB_TYPES
SYSTEM
NUM_FREQVALUES 10
NUM_QUANTILES 20
SELF_TUNING_MEM ON
DATABASE_MEMORY
AUTOMATIC
DB_MEM_THRESH 10
LOCKLIST
AUTOMATIC
MAXLOCKS
AUTOMATIC
PCKCACHESZ
AUTOMATIC
SHEAPTHRES_SHR
AUTOMATIC
SORTHEAP
AUTOMATIC
DBHEAP
2422
CATALOGCACHE_SZ 260
LOGBUFSZ 98
UTIL_HEAP_SZ
5000
BUFFPAGE
1000
APPGROUP_MEM_SZ
41573
GROUPHEAP_RATIO 70
APP_CTL_HEAP_SZ 512
STMTHEAP
4096
APPLHEAPSZ 256
STAT_HEAP_SZ
4384
DLCHKTIME
10000
LOCKTIMEOUT 10
CHNGPGS_THRESH 80
NUM_IOCLEANERS
AUTOMATIC
NUM_IOSERVERS
AUTOMATIC
INDEXSORT YES
SEQDETECT YES
DFT_PREFETCH_SZ
AUTOMATIC
TRACKMOD ON
DFT_EXTENT_SZ 32
MAXAPPLS
AUTOMATIC
AVG_APPLS
AUTOMATIC
MAXFILOP 64
LOGFILSIZ
1024
LOGPRIMARY 13
LOGSECOND 4
NEWLOGPATH
<new_log_path>
MIRRORLOGPATH
<new_mirror_path>
BLK_LOG_DSK_FUL NO
MAX_LOG 0
NUM_LOG_SPAN 0
MINCOMMIT 1
SOFTMAX 520
LOGRETAIN OFF
USEREXIT OFF
HADR_TIMEOUT 120
HADR_SYNCMODE
NEARSYNC
LOGARCHMETH1 TSM
LOGARCHOPT1 ''
LOGARCHMETH2 OFF
NUMARCHRETRY 5
ARCHRETRYDELAY 20
AUTORESTART ON
INDEXREC
SYSTEM
LOGINDEXBUILD OFF
DFT_LOADREC_SES 1
NUM_DB_BACKUPS 2
REC_HIS_RETENTN 14
AUTO_MAINT ON
AUTO_DB_BACKUP OFF
AUTO_TBL_MAINT ON
AUTO_RUNSTATS ON
AUTO_STATS_PROF OFF
AUTO_PROF_UPD OFF
AUTO_REORG OFF
;
This query is trying to update more than 64 DB CFG parameters at
a time. It will not return to command line or may trap the
instance. | |
| Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * Users prior to DB2 V95 FP6 * **************************************************************** * PROBLEM DESCRIPTION: * * UPDATE DB CFG PARAMETERS MORE THAN 64 AT A TIME, MAY * * RESULTIN UNEXPECTED BEHAVIOUR. * **************************************************************** * RECOMMENDATION: * * Upgrade to DB2 V95 FP6. * **************************************************************** | |
| Local Fix: | |
Please update less than 64 DB CFG parameters to avoid the unexpected behavior. | |
| available fix packs: | |
DB2 Version 9.5 Fix Pack 6a for Linux, UNIX, and Windows | |
| Solution | |
Problem is first fixed in DB2 V95 FP6. | |
| Workaround | |
not known / see Local fix | |
| Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 24.02.2010 22.06.2010 22.06.2010 |
| Problem solved at the following versions (IBM BugInfos) | |
9.5.FP6 | |
| Problem solved according to the fixlist(s) of the following version(s) | |
| 9.1.0.7 |
|
| 9.5.0.7 |
|