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DB2 - Problem description

Problem IC66644 Status: Closed

UNNECESSARY PACKED DESCRIPTOR UPDATES DURING ALTER TABLESPACE STATEMENT

product:
DB2 FOR LUW / DB2FORLUW / 950 - DB2
Problem description:
Alter tablespace statements can lead to unnecessary packed 
descriptor updates for tables that reside in the affected 
tablespace. This can lead to unnecessary delays, or unexpected 
locking problems. 
The fix for this apar will ensure that the table packed 
descriptor is only updated if really needed 
e.g. when there is a change in transferrate, overhead, or 
prefetchsize.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* all                                                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* An "alter tablespace" statement can lead to                  * 
* unnecessaryupdates to the system catalogs, which may lead to * 
* lockingproblems.                                             * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade the database server to V9.5 Fix Pack 6               * 
****************************************************************
Local Fix:
available fix packs:
DB2 Version 9.5 Fix Pack 6a for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 10 for Linux, UNIX, and Windows

Solution
This problem was first fixed in V9.5 Fix Pack 6
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)
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