DB2 - Problembeschreibung
Problem IC66149 | Status: Geschlossen |
LARGE CPU OVERHEAD WHEN THE UOW EVENT MONITOR IS ACTIVE AND COLLECTING DATA | |
Produkt: | |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 | |
Problembeschreibung: | |
When an UOW, Activities, Locking or Package Cache event monitor is active and collecting data, workloads can experience a large CPU overhead by the fast writer threads which are processing and committing the event monitor records. | |
Problem-Zusammenfassung: | |
**************************************************************** * USERS AFFECTED: * * Anybody using an UOW, Activities, Locking or Package Cache * * event monitor. * **************************************************************** * PROBLEM DESCRIPTION: * * When an UOW, Activities (SQL Table only, not File or Pipe), * * Locking or Package Cache event monitor is active and * * collecting data, the fast writer threads can consume a large * * amount of CPU time. * **************************************************************** * RECOMMENDATION: * * Upgrade to V9.7 Fix Pack 2 or higher. * **************************************************************** | |
Local-Fix: | |
verfügbare FixPacks: | |
DB2 Version 9.7 Fix Pack 2 for Linux, UNIX, and Windows | |
Lösung | |
In V9.7 Fix Pack 2 the fast writer threads (db2fw0, db2fw1, db2fw2, db2fw3) will consume less CPU time. | |
Workaround | |
keiner bekannt / siehe Local-Fix | |
Bug-Verfolgung | |
Vorgänger : APAR is sysrouted TO one or more of the following: IC66555 Nachfolger : | |
Weitere Daten | |
Datum - Problem gemeldet : Datum - Problem geschlossen : Datum - der letzten Änderung: | 08.02.2010 14.05.2010 14.05.2010 |
Problem behoben ab folgender Versionen (IBM BugInfos) | |
9.7.FP2 | |
Problem behoben lt. FixList in der Version | |
9.7.0.2 |