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DB2 - Problem description

Problem IC73658 Status: Closed

MEMORY LEAK IN APPLICATION HEAP DURING REBIND

product:
DB2 FOR LUW / DB2FORLUW / 950 - DB2
Problem description:
Memory leak in application heap happens during rebind 
 
The leak can occur on any rebind that specifies an option such 
as RESOLVE, REOPT or VERSION 
 
Note that a rebind can come from the REBIND command, db2rbind 
(which by 
default specifies RESOLVE CONSERVATIVE) or by calling the 
SYSPROC.rebind_routine_package() routine
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* Users running rebind repeatedly from a session               * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* Users who run rebind of any form repeatedly from a single    * 
* session will experience this defect.                         * 
* The symptom of this defect is observed with an abnormally    * 
* high and growing size of application heap                    * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Users can upgrade to DB2 V9.5 fix pak 8 to avoid this        * 
* defect.                                                      * 
* Or,  they can avoid running repeated rebind of any form from * 
* same session.                                                * 
****************************************************************
Local Fix:
Avoid using repeated rebind from a session.  Or,  don't  use 
RESOLVE, REOPT or VERSION option with the rebind syntax
available fix packs:
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
First Fixed in DB2 Version V9.5 fix pak 8 
 
With the fix of this defect in place users will not experience 
any abnormally high size of application heap over the time when 
running any form of rebind from a single session.
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
05.01.2011
05.07.2011
05.07.2011
Problem solved at the following versions (IBM BugInfos)
9.5.
Problem solved according to the fixlist(s) of the following version(s)
9.5.0.8 FixList
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