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DB2 - Problem description

Problem IT04915 Status: Closed

DB2BATCH HAS ITS DEFAULT ISOLATION LEVEL AS RR WHICH MAY CAUSE PERFORMANCE
ISSUES/LOCKS ON PRODUCTION

product:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problem description:
When no option for the isolation level is used when running 
db2batch, RR (Repeatable Read) is being used as its default 
isolation. This may cause performance impact on running 
production systems. 
 
Ex: 
 
db2batch -d <dbname> -f <sql_file> -o r 1 p 5 e 2 -i complete -r 
<output_file> 
 
 
 
This APAR is to change the default isolation level of db2batch 
to UR.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All users on DB2 v97 FP10 and lower                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 v97 FP11 or see local fix                     * 
****************************************************************
Local Fix:
As a local fix, specify -iso option of db2batch: 
 
db2batch -d <dbname> -f <sql_file> -o r 1 p 5 e 2 -i complete 
-iso UR -r <output_file>
Solution
First Fixed in DB2 v97 FP11
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
14.10.2014
07.10.2015
07.10.2015
Problem solved at the following versions (IBM BugInfos)
9.7.FP11
Problem solved according to the fixlist(s) of the following version(s)
9.7.0.11 FixList