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DB2 - Problembeschreibung

Problem IC96143 Status: Geschlossen

CLEAR NSE LOG TABLE ENTRIES ON THE VALUE SET FOR COMMITCOUNT

Produkt:
DB2 NET SEARCH / 5765F3800 / A10 - DB2
Problembeschreibung:
The index update crashed after processing 700,000 documents.This 
lead to an abort of the complete index update, and the work of 
indexing the previous 700,000 documents was lost. Then, the 
index update is restarted with intermediate commits to at least 
save the work until the crash. This didn't help to find the 
'culprit' document as the log table remained unchanged and was 
not updated to reflect the already processed documents.  Even 
though the index now contains several hundred thousand 
successfully indexed documents, that work is completely redone.
Problem-Zusammenfassung:
**************************************************************** 
* USERS AFFECTED:                                              * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to V10.1 FP3 or later fix pack                       * 
****************************************************************
Local-Fix:
1) Upgrade to ICC indexer and use maxbatchSize parameter to do 
indexing in batches 
2) Rely on any custom programming technique to find the document 
causing the crash.
verfügbare FixPacks:
DB2 Version 10.1 Fix Pack 3 for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 4 for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 3a for Linux, UNIX, and Windows

Lösung
Upgrade to V10.1 FP3 or later fix pack and follow the below 
steps to avail the fix: 
export NSE_CLEAR_LOG_ON_COMMIT=TRUE 
db2set DB2ENVLIST=NSE_CLEAR_LOG_ON_COMMIT 
restart DB2/NSE 
issue the incremental index update with COMMIT COUNT set 
It is expected to have a slight degradation in the performance 
of index update with this fix when 
compared to the default behavior due to the overhead involved in 
clearing the log table entries per commit.
Workaround
keiner bekannt / siehe Local-Fix
Weitere Daten
Datum - Problem gemeldet    :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
23.09.2013
12.11.2013
12.11.2013
Problem behoben ab folgender Versionen (IBM BugInfos)
Problem behoben lt. FixList in der Version
10.1.0.3 FixList
10.1.0.3 FixList