Do you have another box? I don't know of much of, if any, of an advantage to running multiple instances. The SMP will usually not help there because the other cores will be occupied executing plug-ins. If you had another box you could go with a distributed environment instead. Perhaps using SVN to keep record of config changes.
From: shadih rahman [mailto:shadhi...@gmail.com] Sent: Monday, December 14, 2009 9:54 AM To: nagios-users@lists.sourceforge.net Subject: [Nagios-users] benchmark question List, Is there any information as to what is the maximum number of services one can run on a single box with single instance of Nagios? I did not find any concrete data on this. I am running a single instance of nagios on a quad core 2.5 GHZ machine with with 4 Gigs of RAM. I have total of 7359 service check running on this box. I have also ndoutils running on the same box as backend. My total service checks is going to five fold very soon with a lot of nrpe checks. Now, my question is should I run multiple instance of nagios on the same box or a single instance will be able to handle about 30000 service checks? I already tested a dev environment with multiple instance of nagios with some hacking to init.d script, it started and monitored fine. What would be the preferred method of running nagios, single instance on a box or multiple instance on a box when we are dealing with high number of service checks? Please comment on this. Thanks -- Cordially, Shadhin Rahman This email and any attachments ("Message") may contain legally privileged and/or confidential information. If you are not the addressee, or if this Message has been addressed to you in error, you are not authorized to read, copy, or distribute it, and we ask that you please delete it (including all copies) and notify the sender by return email. Delivery of this Message to any person other than the intended recipient(s) shall not be deemed a waiver of confidentiality and/or a privilege.
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