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DB2 - Problembeschreibung

Problem IC84263 Status: Geschlossen

REDISTRIBUTE UPDATES TABLE PACKED DESCRIPTOR AND OVERWRITES UPDATES OF
RUNSTATS

Produkt:
DB2 FOR LUW / DB2FORLUW / A10 - DB2
Problembeschreibung:
On the statistics collection during REDISTRIBUTE, after RUNSTATS 
updates the catalogs with 
 a) external catalog statistics and 
 b) a table packed descriptor (PD) with statistics, 
REDISTRIBUTE modifies the table packed descriptor to change the 
partition map. 
 
This subsequent update wipes out the changes to the PD that 
RUNSTATS did, resulting in incorrect internal packed descriptor 
statistics. 
 
Although the external SYSCAT.TABLES cardinality statistics will 
be correct, the incorrect internal packed descriptor will affect 
the query compiler estimates.
Problem-Zusammenfassung:
**************************************************************** 
* USERS AFFECTED:                                              * 
* ALL                                                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 UDB Version 10.1 Fix Pack 3.                  * 
****************************************************************
Local-Fix:
Gather new statistics after REDISTIRBUTE finished.
verfügbare FixPacks:
DB2 Version 10.1 Fix Pack 1 for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 2 for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 3 for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 4 for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 3a for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 6 for Linux, UNIX, and Windows

Lösung
Problem was first fixed in DB2 UDB Version 10.1 Fix Pack 3.
Workaround
Gather new statistics after REDISTIRBUTE finished.
Bug-Verfolgung
Vorgänger  : APAR is sysrouted TO one or more of the following: IC95375 
Nachfolger : 
Weitere Daten
Datum - Problem gemeldet    :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
13.06.2012
01.10.2013
01.10.2013
Problem behoben ab folgender Versionen (IBM BugInfos)
Problem behoben lt. FixList in der Version
10.1.0.1 FixList
10.1.0.3 FixList
10.1.0.3 FixList
10.5.0.1 FixList