High memory occupation ...
Lionel Gavage
lgavage at ulg.ac.be
Mon Oct 18 07:36:32 CEST 2004
Hi,
I use Nagios v1.2 on Redhat Enterprise release 3.0. The server is a bi Xeon
2.0Ghz with 2,5Go ram. I monitore about 910 services, 255 hosts. After 1 day
of working, each nagios processes used about 180Mo of ram.
For example, the result of "top" command :
PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME CPU COMMAND
9400 nagios 21 0 139M 136M 1976 S 0.0 5.4 0:00 3 nagios
9404 nagios 21 0 139M 136M 1976 S 0.0 5.4 0:00 2 nagios
9408 nagios 21 0 139M 136M 1976 S 0.0 5.4 0:00 1 nagios
9412 nagios 21 0 139M 136M 1976 S 0.5 5.4 0:00 1 nagios
9422 nagios 21 0 139M 136M 1976 S 0.7 5.4 0:00 2 nagios
9426 nagios 21 0 139M 136M 1976 S 0.7 5.4 0:00 3 nagios
9433 nagios 25 0 139M 136M 1976 S 0.7 5.4 0:00 1 nagios
9441 nagios 25 0 139M 136M 1976 S 0.7 5.4 0:00 0 nagios
9444 nagios 25 0 139M 136M 1976 S 0.7 5.4 0:00 2 nagios
9447 nagios 25 0 139M 136M 1976 S 0.5 5.4 0:00 2 nagios
9450 nagios 25 0 139M 136M 1976 S 0.5 5.4 0:00 1 nagios
9453 nagios 25 0 139M 136M 1976 S 0.7 5.4 0:00 3 nagios
9467 nagios 25 0 139M 136M 1976 S 0.9 5.4 0:00 1 nagios
9456 nagios 25 0 139M 136M 1972 S 0.5 5.4 0:00 3 nagios
9460 nagios 25 0 139M 136M 1972 S 0.7 5.4 0:00 2 nagios
Number of processes (often in the neighbourhoods of 150):
[root at serv25 root]# ps auxwww |grep -i nagios |wc -l
58
I use, of course, the rpm packages from nagios site.
[root at serv25 root]# rpm -qa |grep nagios
nagios-devel-1.2-0.rhel3.dag
nagios-plugins-1.4.0alpha1-1
nagios-1.2-0.rhel3.dag
So how I can correct this problem of intensive occupation of the memory ?
I fixed the nagios.cfg parameter "max_concurrent_checks" to 300.
Thks in advance.
Lionel Gavage
Network Engineer (SeGI/ULg)
Email: lgavage at ulg.ac.be
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