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DB2 - Problembeschreibung

Problem IT02052 Status: Geschlossen

POOR PERFORMANCE WITH SUBSEQUENT UPDATES IN A SINGLE UOW WITH COLUMN
ORGANIZED TABLES

Produkt:
DB2 FOR LUW / DB2FORLUW / A50 - DB2
Problembeschreibung:
Performing multiple Update commands on a table within a single 
UOW without doing a Commit causes slow performance on the 
subsequent Update commands with a Column Organized (BLU) table. 
For example, with a 40 million row test table the initial Update 
will perform as expected taking 0.07 seconds. When another 
Update is run before a Commit then this, and any subsequent 
Update commands, will be significantly slower taking nearly 0.5 
seconds. After running a Commit the next Update then performs as 
expected taking 0.07 seconds.
Problem-Zusammenfassung:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All Column Organized table users                             * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 LUW 10.5 Fix Pack 4                           * 
****************************************************************
Local-Fix:
verfügbare FixPacks:
DB2 Cancun Release 10.5.0.4 (also known as Fix Pack 4) for Linux, UNIX, and Windows
DB2 Version 10.5 Fix Pack 9 for Linux, UNIX, and Windows

Lösung
Fixed in DB2 LUW 10.5 Fix Pack 4
Workaround
keiner bekannt / siehe Local-Fix
Weitere Daten
Datum - Problem gemeldet    :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
27.05.2014
08.09.2014
08.09.2014
Problem behoben ab folgender Versionen (IBM BugInfos)
Problem behoben lt. FixList in der Version
10.5.0.4 FixList