DB2 - Problembeschreibung
Problem IT26816 | Status: Geschlossen |
DB2 ABEND DUE TO MEMORY CORRUPTION USING COLUMN BASED TABLES | |
Produkt: | |
DB2 FOR LUW / DB2FORLUW / A50 - DB2 | |
Problembeschreibung: | |
When queries are executed with a high degree of parallelism while accessing column based tables, a rare timing hole may result in memory corruption, causing DB2 to abend. While the trapping function stack may vary, the most common function stack observed is : diagnoseMemoryCorruptionAndCrash__13SQLO_MEM_POOLFUlCPCcCb sqloDiagnoseFreeBlockFailure__FP8SMemFBlkCb sqlofmblkEx freeMem__Q3_7ibm_cde8services4HeapFCPCcCUlPv freeHeap__Q3_7ibm_cde8services15ManagedHeapBaseFv __dt__Q3_7ibm_cde8services15ManagedHeapBaseFv __dt__Q3_7ibm_cde8services11ManagedHeapXTUcSP0_Fv __dt__Q3_7ibm_cde5query14QueryResourcesFv __dt__Q3_7ibm_cde5query9SchedulerFv cleanAndDeleteScheduler__Q3_7ibm_cde5query9SchedulerFPQ3_7ibm_cd e5query9Scheduler | |
Problem-Zusammenfassung: | |
**************************************************************** * USERS AFFECTED: * * Systems processing columnar data. * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Issue is addressed in APAR IT26816 in version 11.1. * * Upgrade to Version 11.1 Mod 3 Fix Pack 3 or higher * **************************************************************** | |
Local-Fix: | |
reducing the maximum or default degree of parallelism will tend to avoid the problem, eg. to 4 | |
Lösung | |
Workaround | |
keiner bekannt / siehe Local-Fix | |
Bug-Verfolgung | |
Vorgänger : IT23941 Nachfolger : | |
Weitere Daten | |
Datum - Problem gemeldet : Datum - Problem geschlossen : Datum - der letzten Änderung: | 31.10.2018 04.06.2019 04.06.2019 |
Problem behoben ab folgender Versionen (IBM BugInfos) | |
Problem behoben lt. FixList in der Version |