Extremely bad performance when enabling process_performance_data on Solaris 10?

[Mark Eisenblaetter]

Hi,

if you try pnp just use the npcd. So nagios has only move the File.
So you can get the most of the duty away from nagios.

Mark


On 9/27/07, Olivier JAN <ojan at expertise-online.net> wrote:
> Steffen,
>
> Why not give a test to pnp http://www.ederdrom.de/doku.php/nagios/pnp_en/ ?
> It's a nice piece of software for performance graphing and is nagios 3
> ready.
>
> One of it's possibility is to take performance_data_file as input as
> described in pnp in bulk mode. This is what i use and it works like a
> charm... at least on i686 platform ;-)
>
>
> Best regards
>
>
> Olivier Jan
>
> "Steffen Poulsen" <step at tdc.dk> Ecrivait:
> > Hi,
> >
> > We are trying to add graphs to our nagios installation using
> > nagiosgrapher, and we would now like to enable the
> > process_performance_data in nagios.cfg to allow for performance data to
> > be sent to our graphing server, using udp.
> >
> > We have tried various of doing this, invoking perl on udpsend.pl, using
> > epn (the embedded perl compiler) and compiling udpecho.c.
> >
> > udpecho.c is the fastest of the set, but still performance is alarming:
> > only 4 (four!) passive checks were now processed per second, everything
> > grinded to a halt and we had to disable process_performance_data again.
> > We now have ~5000 services reporting in using NSCA, so we need another
> > kind of performance.
> >
> > We expect that others have probably ran into this issue as well and we
> > are eager to hear how other people solved it?
> >
> > It seems it doesn't matter which command is run, it can be a no-op
> > script - as soon as any command is set, processing "halts".
> >
> > We are running Nagios 3b03 and the hardware platform is a Sun T1000
> > (should be reasonably up to date,
> > http://www.sun.com/servers/coolthreads/t1000/).
> >
> > If there is no imminent patch for the above issue, perhaps it is a
> > possibility to redirect performance data output to a file and have an
> > external process read from it? (while readline, send udp). Any existing
> > solutions to this end?
> >
> > All inputs are appriciated - if we are on the wrong track using Sun hw
> > for Nagios and we would be better of on i386, please let us know.
> >
> > Best regards,
> > Steffen Poulsen
> >
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>
>
>
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-- 
Mark Eisenblätter
Geissendoerfer & Leschinsky GmbH
www.gl-sytemhaus.de

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