Informix - Problem description
Problem IT19869 | Status: Closed |
HUGE MEMORY LEAK IN MT POOL AT MTMUTEX | |
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: | |
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) |