Clock skew can be an issue as well depending on the virtualization platform.
On 6/29/10, Giorgio Zarrelli <zarre...@linux.it> wrote: > I agree, better not to use Nagios on virtual machine. The I/O layer of vms > have poor performances. > > Ciao, > > Giorgio > > Il giorno 29/giu/2010, alle ore 14:23, Andreas Ericsson <a...@op5.se> ha > scritto: > >> On 06/29/2010 03:57 AM, wwanghongrui wrote: >>> Thanks your reply. We are writing to mysql database by ndoutils.We don't >>> use nsca. About external_command_buffer_slots, we don't set it up. >>> status_update_interval =15 >>> >>> I use vmstate to capture system performance,like below.Maybe the >>> bottleneck is not at system. >>> >> >> Endeavour to not run Nagios on a virtual server. If you must use a virtual >> server, >> make very sure that your checkresult spooldirectory and status data files >> are on >> a ramdisk, or you will certainly run into trouble. >> >> -- >> Andreas Ericsson andreas.erics...@op5.se >> OP5 AB www.op5.se >> Tel: +46 8-230225 Fax: +46 8-230231 >> >> Considering the successes of the wars on alcohol, poverty, drugs and >> terror, I think we should give some serious thought to declaring war >> on peace. >> >> ------------------------------------------------------------------------------ >> This SF.net email is sponsored by Sprint >> What will you do first with EVO, the first 4G phone? >> Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first >> _______________________________________________ >> 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 > > ------------------------------------------------------------------------------ > This SF.net email is sponsored by Sprint > What will you do first with EVO, the first 4G phone? > Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first > _______________________________________________ > 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 > ------------------------------------------------------------------------------ This SF.net email is sponsored by Sprint What will you do first with EVO, the first 4G phone? Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first _______________________________________________ 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