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DB2 - Problem description

Problem IC66464 Status: Closed

UNNECESSARY TABLE TRUNCATION ON COMMIT/ROLLBACK CAN IMPACT PERFORMANCE

product:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problem description:
In an application that has declared global temporary tables, a 
commit or rollback can initiate the truncation of an internal 
temporary table.   This can negatively impact performance
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* DB2 Version 9.7 on all Platform.                             * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* UNNECESSARY TABLE TRUNCATION ON COMMIT/ROLLBACK CAN          * 
* IMPACTPERFORMANCE                                            * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Please move to Fixpak 2.                                     * 
****************************************************************
Local Fix:
N/A
available fix packs:
DB2 Version 9.7 Fix Pack 2 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 3 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 3a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 4 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 5 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 6 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 10 for Linux, UNIX, and Windows

Solution
In an application that has declared global temporary tables, a 
 
commit or rollback can initiate the truncation of an internal 
temporary table.  This can negatively impact performance. This 
APAR will fix this.
Workaround
not known / see Local fix
BUG-Tracking
forerunner  : APAR is sysrouted TO one or more of the following: IC67162 
follow-up : 
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
18.02.2010
14.05.2010
14.05.2010
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)
9.7.0.2 FixList