|
Problem IC78397
|
Status: Closed |
INCORRECT ESTIMATED CPU COST FOR COMPRESSED, PARTITIONED INDEXES. |
| product: |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 |
| Problem description: |
The optimizer may over estimate the CPU cost for index
decompression when the index is partitioned. In the extreme
case, the CPU cost over-estimate will be by a factor of the
number of index partitions. |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* ALL *
****************************************************************
* PROBLEM DESCRIPTION: *
* The optimizer may over estimate the CPU cost for index *
* decompression when the index is partitioned. In the extreme *
* case, the CPU cost over-estimate will be by a factor of the *
* number of index partitions. There are no workarounds. *
****************************************************************
* RECOMMENDATION: *
* Upgrade to DB2 Version 9.7 Fix Pack 5. *
**************************************************************** |
| Local Fix: |
There are no workarounds. |
| available fix packs: |
DB2 Version 9.7 Fix Pack 5 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 6 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 10 for Linux, UNIX, and Windows
|
| Solution |
First fixed in DB2 Version 9.7 Fix Pack 5. |
| Workaround |
N/A |
| Comment |
N/A |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 30.08.2011
20.09.2011
20.09.2011 |
| Problem solved at the following versions (IBM BugInfos) |
9.7.FP5
|
| Problem solved according to the fixlist(s) of the following version(s) |
| 9.7.0.5
|
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