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Problem IC63466
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Status: Closed |
PERFORMANCE DEGRADATION IN POST PROCESSING DURING SECTION EXECUTION IN SMP or DPF MODE OR WHEN A WLM TIME THRESHOLD IS SET |
| product: |
DB2 FOR LUW / DB2FORLUW / 950 - DB2 |
| Problem description: |
A performance degradation in post processing during section
execution might be noticed after migrating to V9.5 on a very
active system. An unneeded synchronization point occurs in
SMP or DPF mode or when a WLM time threshold is set. |
| Problem Summary: |
Users Affected : All
Problem Description :
Performance degradation in processing in 9.5 on a very active
system in SMP/DPF mode |
| Local Fix: |
If INTRA_PARALLEL is set to YES then setting it to NO would
avoid the codepath involved. |
| available fix packs: |
DB2 Version 9.5 Fix Pack 6a for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 10 for Linux, UNIX, and Windows
|
| Solution |
Problem was first fixed in v9.5 FP6 (s100805) |
| Workaround |
not known / see Local fix |
| BUG-Tracking |
forerunner : APAR is sysrouted TO one or more of the following: IC65729
follow-up : |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 29.09.2009
13.09.2010
13.09.2010 |
| Problem solved at the following versions (IBM BugInfos) |
9.5.FP6
|
| Problem solved according to the fixlist(s) of the following version(s) |
