DB2 - Problem description
Problem IT33367 | Status: Closed |
PRIVATE MEMORY LEAK IN DB2SYSC SERVICE ON WINDOWS CAUSED BY DB2PD -MEMBLOCKS. | |
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) |