|
Problem IT01779
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Status: Closed |
MEMORY LEAK IN APPLICATION HEAP EXECUTING A QUERY REFERENCING COLUMN-BASED DATA |
| product: |
DB2 FOR LUW / DB2FORLUW / A50 - DB2 |
| Problem description: |
A memory leak in the application heap may occur executing a
query referencing column-based data. Various symptoms may occur
relating to excessive memory usage. The memory is released when
the related connection terminates, as the application heap is
freed.
MON_GET_MEMORY_POOL or other memory monitoring tools may show
growing and/or excessive memory usage for an application heap.
"db2pd -alldbs -memblocks appl 1" may show a high number of
blocks with a File identifier of 190174346
PoolID PoolName BlkAge Size(Bytes) I LOC File
1 apph 1743 128 0 1534 190174346
1 apph 12 128 0 1559 190174346 |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* Systems processing column-based data *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Upgrade to DB2 Version 10.5 Fix pack 4 *
**************************************************************** |
| Local Fix: |
|
| available fix packs: |
DB2 Cancun Release 10.5.0.4 (also known as Fix Pack 4) for Linux, UNIX, and Windows
DB2 Version 10.5 Fix Pack 9 for Linux, UNIX, and Windows
|
| Solution |
Problem first fixed in DB2 Version 10.5 Fix Pack 4 |
| Workaround |
not known / see Local fix |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 13.05.2014
27.10.2014
27.10.2014 |
| Problem solved at the following versions (IBM BugInfos) |
|
| Problem solved according to the fixlist(s) of the following version(s) |
| 10.5.0.4
|
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