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DB2 - Problembeschreibung

Problem IT27775 Status: Geschlossen

SLOW DATABASE ROLLFORWARD OR HADR REPLAY OF "REDUCE MAX" OPERATION

Produkt:
DB2 FOR LUW / DB2FORLUW / B10 - DB2
Problembeschreibung:
Database rollforward or HADR replay of REDUCE MAX operation will
progress with a lower rate than it is required to ensure data
consistency.
Whilst a record of this type is replayed, in the backtrace of
all engine threads one  will see all redo
workers (db2redow EDUs) but one waiting in:

sqlprWaitDuringPRec
sqlprFindQueue
sqlpPRecProcLog
sqlpParallelRecovery
sqleSubCoordProcessRequest

and a single EDU with sqlbMoveOneExtent or sqlbRedoFreeExtents
function on the stack, e.g.:

sqlbMoveOneExtent
sqlbRedoUpdateEMP
sqlbRedo
sqldmrdo
sqlpRecDbRedo
sqlpPRecProcLog
sqlpParallelRecovery

This is caused by a too high level of synchronization for log
records of this type. This APAR will relax the restriction and
allow for a faster processing of log records, that affect other
tablespaces, whilst "REDUCE MAX" is running.
Problem-Zusammenfassung:
****************************************************************
* USERS AFFECTED:                                              *
* ALL                                                          *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Db2 11.1 Mod 4 Fixpack 5 or higher                *
****************************************************************
Local-Fix:
Lösung
Workaround
keiner bekannt / siehe Local-Fix
Bug-Verfolgung
Vorgänger  : IT27769 
Nachfolger : 
Weitere Daten
Datum - Problem gemeldet    :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
15.01.2019
16.01.2020
16.01.2020
Problem behoben ab folgender Versionen (IBM BugInfos)
Problem behoben lt. FixList in der Version