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DB2 - Problembeschreibung

Problem IT27034 Status: Geschlossen

QUERIES USING HASH JOINS MAY HANG AND NOT BE ABLE TO BE FORCED OFF

Produkt:
DB2 FOR LUW / DB2FORLUW / B10 - DB2
Problembeschreibung:
The issue addressed in this APAR has the same symptom to APAR
IT16615.  Refer to IT16615 for more details:
http://www-01.ibm.com/support/docview.wss?uid=swg1IT16615
Problem-Zusammenfassung:
****************************************************************
* USERS AFFECTED:                                              *
* ALL                                                          *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to Db2 11.1 Mod 4 Fixpack 4 or higher                *
****************************************************************
Local-Fix:
1. Same as APAR IT16615, use a fixed value for sortheap, instead
of letting STMM tuning it. Check db2diag.log for sortheap tuning
entries and choose a value at the upper end in order to avoid
having too low sortheap memory.

2.Set the problem query degree to 1 using optimizer guideline:
 
There may be performance impact for this query since setting
degree to 1 is taking away the performance advantage of SMP.
Lösung
Workaround
keiner bekannt / siehe Local-Fix
Bug-Verfolgung
Vorgänger  : IT24045 
Nachfolger : 
Weitere Daten
Datum - Problem gemeldet    :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
20.11.2018
27.11.2018
27.11.2018
Problem behoben ab folgender Versionen (IBM BugInfos)
Problem behoben lt. FixList in der Version