Hi Thanks for your answer! I'll tune it....
Here's the statistics: # nscd -g nscd configuration: 0 server debug level 130d 16h 2m 29s server runtime 6 current number of threads 32 maximum number of threads 0 number of times clients had to wait no paranoia mode enabled 3600 restart internal passwd cache: yes cache is enabled yes cache is persistent yes cache is shared 211 suggested size 216064 total data pool size 1136 used data pool size 600 seconds time to live for positive entries 20 seconds time to live for negative entries 30 cache hits on positive entries 169 cache hits on negative entries 28932 cache misses on positive entries 191 cache misses on negative entries 0% cache hit rate 12 current number of cached values 70 maximum number of cached values 2 maximum chain length searched 0 number of delays on rdlock 0 number of delays on wrlock 0 memory allocations failed yes check /etc/passwd for changes group cache: yes cache is enabled yes cache is persistent yes cache is shared 211 suggested size 216064 total data pool size 712 used data pool size 3600 seconds time to live for positive entries 60 seconds time to live for negative entries 250 cache hits on positive entries 3 cache hits on negative entries 1062 cache misses on positive entries 41864 cache misses on negative entries 0% cache hit rate 7 current number of cached values 39 maximum number of cached values 1 maximum chain length searched 0 number of delays on rdlock 0 number of delays on wrlock 0 memory allocations failed yes check /etc/group for changes hosts cache: yes cache is enabled no cache is persistent yes cache is shared 211 suggested size 216064 total data pool size 128 used data pool size 600 seconds time to live for positive entries 0 seconds time to live for negative entries 0 cache hits on positive entries 0 cache hits on negative entries 536 cache misses on positive entries 0 cache misses on negative entries 0% cache hit rate 1 current number of cached values 32 maximum number of cached values 2 maximum chain length searched 0 number of delays on rdlock 0 number of delays on wrlock 0 memory allocations failed yes check /etc/{hosts,resolv.conf} for changes regards Jérôme > -----Ursprüngliche Nachricht----- > Von: Marc Powell [mailto:m...@ena.com] > Gesendet: Dienstag, 21. Juli 2009 16:30 > An: nagios-user Mailinglist > Betreff: Re: [Nagios-users] mem up to 99% > > > On Jul 21, 2009, at 8:42 AM, Meyer Jerome wrote: > > > Hi > > > > Now that nagios monitor my servers I noticed the following thing : > > The nscd (name service cache daemon) service used about 70-86% > > memory that grow up the memory used about 99% (see with top -> mem) > > I don't think you're implying that nagios is causing this. Please > clarify if you are. > > > The only application that run on that server is : postfix and ntp! > > > > So, what should I make? Disable notification for this service or > > whta's else ? > > I've never seen nscd use a significant amount of memory. I'd try to > determine what cache is using it and either tune/limit that cache, > tune the reason it's being populated so heavily or disable caching of > that altogether if it's a problem for you. The nscd manpage lists the - > g option to display current usage stats. > > -- > Marc > > > ----------------------------------------------------------------------------- > - > Enter the BlackBerry Developer Challenge > This is your chance to win up to $100,000 in prizes! For a limited time, > vendors submitting new applications to BlackBerry App World(TM) will have > the opportunity to enter the BlackBerry Developer Challenge. See full prize > details at: http://p.sf.net/sfu/Challenge > _______________________________________________ > Nagios-users mailing list > Nagios-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/nagios-users > ::: Please include Nagios version, plugin version (-v) and OS when reporting > any issue. > ::: Messages without supporting info will risk being sent to /dev/null ------------------------------------------------------------------------------ _______________________________________________ Nagios-users mailing list Nagios-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nagios-users ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null