DB2 - Problembeschreibung
Problem IC95254 | Status: Geschlossen |
POSSIBLE HANG IN INDEX CLEANUP LOGIC WHEN MULTIPLE ASYNCHRONOUS CLEANUP OPERATIONS ARE ACTIVE ON THE SAME TABLE | |
Produkt: | |
DB2 FOR LUW / DB2FORLUW / A50 - DB2 | |
Problembeschreibung: | |
If a partitioned table has a global index and multiple partitioned are detached at once, then the Asynchronous Background Processing will start a number of db2taskp EDUs to perform the Asynchronous Index Cleanup. It is possible that these EDUs will start contending with each other over a particular area of the index and they get stuck in an endless loop. Taken call stacks repeatedly should show a pattern where these stacks can be seen : sqloWaitEDUWaitPost sqlplWaitOnWP sqlplMakeNewRequestNonSD sqlplrq sqlilidx sqliTryToMerge sqliCleanupKeysOnLeaf procLeaf2Del ... | |
Problem-Zusammenfassung: | |
**************************************************************** * USERS AFFECTED: * * All users * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to DB2 version 10.5.0.3. * **************************************************************** | |
Local-Fix: | |
temporarily limit the number of ABP tasks to 1 by setting : db2set DB2_PMODEL_SETTINGS=MAX_BACKGROUND_SYSAPPS:1 | |
verfügbare FixPacks: | |
DB2 Version 10.5 Fix Pack 3 for Linux, UNIX, and Windows | |
Lösung | |
The problem is first fixed in DB2 version 10.5.0.3. | |
Workaround | |
keiner bekannt / siehe Local-Fix | |
Weitere Daten | |
Datum - Problem gemeldet : Datum - Problem geschlossen : Datum - der letzten Änderung: | 27.08.2013 02.12.2013 02.12.2013 |
Problem behoben ab folgender Versionen (IBM BugInfos) | |
Problem behoben lt. FixList in der Version | |
10.5.0.3 | |
10.5.0.3 |