Nagios.cfg and default is enabled if i recall correctly. Or google, my friend. Nagios.org also has very thorough documentation. <div class="gmail_quote">On Feb 18, 2013 1:58 AM, "Marco Borsani" <<a href="mailto:m.borsani@it.net">m.borsani@it.net</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> <div lang="IT" link="blue" vlink="purple"><div>I am sorry, I don’t remember If the embedded Perl is enabled .. how can I verify ? Regards Marco Da: nap [mailto:<a href="mailto:naparuba@gmail.com" target="_blank">naparuba@gmail.com</a>] Inviato: venerdì 15 febbraio 2013 11:40 A: Nagios Users List Oggetto: Re: [Nagios-users] too much memory usage on Nagios server <div>On Fri, Feb 15, 2013 at 11:04 AM, Marco Borsani <<a href="mailto:m.borsani@it.net" target="_blank">m.borsani@it.net</a>> wrote:<div><div> Hi all I have too cluster centos , both with Nagios 3.3.1 , both with 4Gb of ram. Nagios “A” , has 400 servers and 3300 services configured. Its memory usage is about 88%Nagios “B” , has 300 servers and 1900 services configured. Its memory usage is about 95% Where/How can I investigate to understand why this big difference (less checks , more memory usage) ? </div></div><div> </div></div>Is the embeeded perl enabled? (the 1.9K services can maybe call more perl than the other). Jean</div></div> ------------------------------------------------------------------------------ The Go Parallel Website, sponsored by Intel - in partnership with Geeknet, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials, tech docs, whitepapers, evaluation guides, and opinion stories. Check out the most recent posts - join the conversation now. <a href="http://goparallel.sourceforge.net/" target="_blank">http://goparallel.sourceforge.net/</a> _______________________________________________ Nagios-users mailing list <a href="mailto:Nagios-users@lists.sourceforge.net">Nagios-users@lists.sourceforge.net</a> <a href="https://lists.sourceforge.net/lists/listinfo/nagios-users" target="_blank">https://lists.sourceforge.net/lists/listinfo/nagios-users</a> ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null </blockquote></div>