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DB2 - Problem description

Problem IC66679 Status: Closed

DB2 DESIGN ADVISOR (DB2ADVIS) MAY NOT RECOMMEND INDEX CANDIDATES
CONSISTENTLY FOR THE SAME WORKLOAD ON WINDOWS PLATFORMS

product:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problem description:
On Windows platforms, the DB2 Design Advisor (db2advis) may not 
give index recommendations consistently for the same workload on 
multiple runs. 
 
That is, when the exact same options or command-line parameters 
and values are supplied to db2advis at 2 separate invocations, 
and the exact same input workload is used, one invocation may 
give index recommendations and another invocation may not. 
 
 
This can occur if the input workload for db2advis is small and 
the number of recommended index candidates generated is also 
small.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* ALL                                                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description.                                       * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 Version 9.7 Fix Pack 2 or later.              * 
****************************************************************
Local Fix:
None available.
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 8 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9a 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
First fixed in DB2 Version 9.7 Fix Pack 2.
Workaround
not known / see Local fix
BUG-Tracking
forerunner  : APAR is sysrouted TO one or more of the following: IC66849 
follow-up : 
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
25.02.2010
22.06.2010
22.06.2010
Problem solved at the following versions (IBM BugInfos)
9.7.FP2
Problem solved according to the fixlist(s) of the following version(s)
9.7.0.2 FixList