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Problem IT19869
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Status: Closed |
HUGE MEMORY LEAK IN MT POOL AT MTMUTEX
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| product: |
INFORMIX SERVER / 5725A3900 / C10 - IDS 12.10 |
| Problem description: |
Any simple manipulation will leak in mtmutex, you may see:
IBM Informix Dynamic Server Version 12.10.FC8W1 -- On-Line -- Up
32 days 16:10:43 -- 36756576 Kbytes
Memory usage for pool name mt:
size memid
3328 overhead
45568 mtmisc
23288 shmblklist
512 mtchild
950320 mtstack
181296 mttcbq
28796976056 mtmutex
417008 mtvp
1148544 sym_table
184 sapi
1222392 mtcond
180480 rsam
5808 low mem mgr
with onstat -g amx showing excessive sqscb_cache_mutex
$ cat onstat_g_amx.out|grep sqscb_cache_mutex|wc -l
170156999 |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* Users of Informix 12.10.xC8, especially when opening and *
* closing a lot of database sessions. *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Update to IBM Informix Server 12.10.xC9 or newer. *
**************************************************************** |
| Local Fix: |
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| Solution |
|
| Workaround |
not known / see Local fix |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 24.03.2017
10.07.2017
10.07.2017 |
| Problem solved at the following versions (IBM BugInfos) |
12.10.xC9
|
| Problem solved according to the fixlist(s) of the following version(s) |
