DB2 - Problembeschreibung
Problem IC66555 | Status: Geschlossen |
LARGE CPU OVERHEAD WHEN THE UOW EVENT MONITOR IS ACTIVE AND COLLECTING DATA | |
Produkt: | |
DB2 FOR LUW / DB2FORLUW / 980 - 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 V9.8 Fix Pack 3 or higher. * **************************************************************** | |
Local-Fix: | |
Lösung | |
In V9.8 Fix Pack 3 the fast writer threads (db2fw0, db2fw1, db2fw2, db2fw3) will consume less CPU time. | |
Workaround | |
keiner bekannt / siehe Local-Fix | |
Weitere Daten | |
Datum - Problem gemeldet : Datum - Problem geschlossen : Datum - der letzten Änderung: | 22.02.2010 20.12.2010 20.12.2010 |
Problem behoben ab folgender Versionen (IBM BugInfos) | |
9.8.FP3 | |
Problem behoben lt. FixList in der Version |