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Problem IC98528
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Status: Geschlossen |
POSSIBLE HIGH CPU USAGE OF FUNCTION STMMPCFINDSIMVAR UNDER VERY HIGH WORKLOAD |
| Produkt: |
DB2 FOR LUW / DB2FORLUW / A50 - DB2 |
| Problembeschreibung: |
Under specific very high workload situations, function
stmmPCfindSimVar can consume a large amount of CPU time.
Configuration settings to trigger this behavior:
* STMM enabled or disabled
* PCKCACHESZ set to AUTOMATIC
This APAR will help to reduce CPU usage of function
stmmPCfindSimVar. |
| Problem-Zusammenfassung: |
****************************************************************
* USERS AFFECTED: *
* ALL *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Upgrade to DB2 Version 10.5 Fix Pack 4. *
**************************************************************** |
| Local-Fix: |
* Set PCKCACHESZ to a fixed value
* Make similar SQL statements look different by adding comments
to the statment text at the end |
| 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 |
First fixed in DB2 Version 10.5 Fix Pack 4. |
| Workaround |
keiner bekannt / siehe Local-Fix |
| Weitere Daten |
Datum - Problem gemeldet :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
| 31.12.2013
06.11.2014
06.11.2014 |
| Problem behoben ab folgender Versionen (IBM BugInfos) |
|
| Problem behoben lt. FixList in der Version |
| 10.5.0.4
|
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