Robert Hajime Lanning wrote: > <quote who="Daniel Meyer"> >> Just rechecked. After 72 hours nagios still runs perfectly >> with an average service check latency of 0.3 seconds, max. >> 0.9 seconds. >> >> Memory usage is perfectly "flat" now, with epn and perlcache >> it went from 140 mb (whole system) to about 900 mb within 24h. >> >> The average system load is a bit _lower_ than before, but some >> peaks higher than with epn/perlcache. >> >> I'll try pure epn without perlcache first thing in january. > > The main reason for me to use ePN with perlcache, is to get > around the huge load of loading all the MIBs for each SNMP > query. (Since 90% of my services are SNMP queries.) I was > looking for a way to load the MIB tree once, and found I could > do it in p1.pl. >
If you use SNMP oid's rather than their "human-readable" mib-names, you don't need to load a single mib. It is indeed a much simpler solution. > For traps, I run snmptrapd (from net-snmp) and have just recently > found it has a memory leak. Over the course of 20 days, it grew > from 5MB to 140MB. It runs snmptthandler, which is actually a C > program (I ported the Perl version to reduce the load during trap > floods). > > snmptt has a big memory leak. I restart it every 6 hours. > > This seems to be pointing to the net-snmp libraries. > > Though, I don't get why it would really effect the nagios master > process. Since all the calls to the SNMP module are run in a > subprocess, other than the initialization that I put into p1.pl. > Unless p1.pl is executed more than once. > strace -e open ./nagios <config-file> 2>&1 | grep p1.pl will tell you, although strace might not be included in the tool-box shipped with your system. > Back when I had about 200 service checks, my load was about 1.5. > Then I enabled ePN with perlcache and stuck in the "use SNMP" > with the preload of the MIBs. Load went down to 0.3. But, as > I added services, most SNMP, this issue showed up. > Try without perlcache, and try with OID's and without your p1.pl hack. -- Andreas Ericsson [EMAIL PROTECTED] OP5 AB www.op5.se Tel: +46 8-230225 Fax: +46 8-230231 ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ 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
