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 | |
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 |