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Problem IT33367
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Status: Closed |
PRIVATE MEMORY LEAK IN DB2SYSC SERVICE ON WINDOWS CAUSED BY DB2PD -MEMBLOCKS.
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| product: |
DB2 FOR LUW / DB2FORLUW / B10 - DB2 |
| Problem description: |
Private memory leak might be observed in db2sysc (db2syscs.exe)
process after executing db2pd -memblock command.
Possible leaking stack is like as below.
ntdll!RtlAllocateHeap+4079
ntdll!RtlAllocateHeap+767
MSVCR120!malloc+5B
DB2OSSE64!ossMemAlloc+1C4
DB2PDLIB!UniqAndSort::add+1AB
DB2PDLIB!pdPrintBlockInfoForPool+AF5
DB2PDLIB!pdPrintMemoryBlockList+26E
DB2PDLIB!pdMemoryBlockList+8CB
DB2PDLIB!db2pdbeInt+E0F
DB2PDLIB!db2pdbe+A1
DB2SYS64!sqloRemThread+189
KERNEL32!BaseThreadInitThunk+14
ntdll!RtlUserThreadStart+21
Note: db2pd command cannot capture this memory leak symptom. |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* all *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Upgrade to Db2 11.1.4.6 or higher *
**************************************************************** |
| Local Fix: |
Please do not run db2pd -memblock command frequently. |
| Solution |
|
| Workaround |
not known / see Local fix |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 29.06.2020
31.03.2021
31.03.2021 |
| Problem solved at the following versions (IBM BugInfos) |
|
| Problem solved according to the fixlist(s) of the following version(s) |
