DB2 - Problembeschreibung
Problem IT12566 | Status: Geschlossen |
PERFORMANCE DEGRADATION IN ROLLBACK WITH V10.5 FP5 AND FP6 | |
Produkt: | |
DB2 FOR LUW / DB2FORLUW / A50 - DB2 | |
Problembeschreibung: | |
With V10.5 Fix Pack 5 and Fix Pack 6, when a lot of roll back statements are performed concurrently, performance degradation could be observed compared with V10.5 Fix Pack 4. In this situation, multiple number of stack traces like the following would be observed. -------Frame------ ------Function + Offset------ 0x0900000000A5D6FC ossLockGetConflict + 0x17C 0x0900000005694018 @144@pdLogInternal__FUlUiT1T2N41PvT1bPPc + 0x748 0x090000000568A780 pdLogEvRecEx + 0x458 0x09000000061A037C sqluRollBackCallBack__Fv + 0x2FE8 0x090000000518F7F4 sqlrr_cleanup_tran_before_DPS__FP8sqlrr_cbiN62PiT9 + 0x104 0x0900000004FE53D8 sqlrrbck__FP8sqlrr_cbiN32P15SQLXA_CALL_INFO + 0x1A34 0x0900000004FE36D4 sqlrr_rollback__FP14db2UCinterface + 0xF0 0x09000000061EC668 sqljs_ddm_rdbrllbck__FP14db2UCinterfaceP13sqljDDMObject + 0x2DC 0x090000000513F6C8 sqljsParseRdbAccessed__FP13sqljsDrdaAsCbP13sqljDDMObjectP14db2UC interface + 0xFC 0x0900000005179260 @72@sqljsSqlam__FP14db2UCinterfaceP8sqeAgentb + 0x1174 0x0900000005178E54 @72@sqljsSqlam__FP14db2UCinterfaceP8sqeAgentb + 0xD68 0x0900000006686B90 @72@sqljsDriveRequests__FP8sqeAgentP14db2UCconHandle + 0xA8 0x09000000066876A0 @72@sqljsDrdaAsInnerDriver__FP18SQLCC_INITSTRUCT_Tb + 0x5F8 0x09000000048345AC RunEDU__8sqeAgentFv + 0x48C38 0x09000000047B2240 RunEDU__8sqeAgentFv + 0x124 0x0900000005CCCDFC EDUDriver__9sqzEDUObjFv + 0x130 0x0900000004D3D664 sqloEDUEntry + 0x390 | |
Problem-Zusammenfassung: | |
**************************************************************** * USERS AFFECTED: * * User using DB2 Server Fix Pack 5 or Fix Pack 6. * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade DB2 Server to version 10.5.0.7. * **************************************************************** | |
Local-Fix: | |
Lösung | |
The problem is first fixed in DB2 version 10.5.0.7. | |
Workaround | |
keiner bekannt / siehe Local-Fix | |
Weitere Daten | |
Datum - Problem gemeldet : Datum - Problem geschlossen : Datum - der letzten Änderung: | 03.12.2015 21.01.2016 21.01.2016 |
Problem behoben ab folgender Versionen (IBM BugInfos) | |
Problem behoben lt. FixList in der Version | |
10.5.0.7 |