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DB2 - Problem description

Problem IC66532 Status: Closed

DB2 EXPORT CREATES EXCESSIVE LOCKING ON CATALOG TABLES.

product:
DB2 FOR LUW / DB2FORLUW / 980 - DB2
Problem description:
Multiple locks on SYSDEPENDENCIES and SYSSEQUENCES for rows that 
 
are not related to the table that is being exported. The problem 
occurs only when the select part of the statement uses the wild 
 
card *: 
 
db2 export to <FILE> of ixf messages <MSG FILE> select * from 
<source schema>.<source_table> 
 
The query that is executed against the catalog tables with the 
isolation level that the package has been bound. In this case 
RS. 
 
The problem can be avoided if it is exported to DEL or ASC. Also 
if the list of columns is provided in the export statement.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All                                                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* Multiple locks on SYSDEPENDENCIES and SYSSEQUENCES for       * 
* rowsthatare not related to the table that is being exported. * 
* Theproblemoccurs only when the select part of the statement  * 
* uses thewildcard *:                                          * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to V98 FP3 or use the mentioned work around.         * 
****************************************************************
Local Fix:
1. Use export to DEL or ASC 
2. List the name of the columns for export. Avoid using *.
available fix packs:
DB2 Version 9.8 Fix Pack 3 for Linux, UNIX, and Windows
DB2 Version 9.8 Fix Pack 4 for AIX and Linux
DB2 Version 9.8 Fix Pack 5 for AIX and Linux

Solution
Problem fixed as part of v98 FP3
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
22.02.2010
10.01.2011
10.01.2011
Problem solved at the following versions (IBM BugInfos)
9.8.FP3
Problem solved according to the fixlist(s) of the following version(s)
9.8.0.3 FixList
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