Beeton, Carolyn (CAR:9D60) wrote:
Could we make the expensive part of mrtg optional, and
continue to use
it for basic monitoring?
I think it actually is optional. By default, mrtg does not
monitor anything and does not generate any graphs, and as I
understand from Woof, that's the performance penalty.
Right now mrtg isn't even started when it doesn't monitor
anything, but this is easy to change.
Andrei
What I mean is to make mrtg manditory and start it always, but make the
graph part optional. Can we do that? (so we make the mrtg and snmp
services required, but rddtool optional?)
Carolyn
No need to make rrdtool optional. Mrtg and snmp are installed by
default, and snmp is always running (on ISO install I mean), but unless
you explicitly enable mrtg context (from sipxconfig.properties), you
won't have the Statistics menu in sipxconfig, so you won't be able to
tell mrtg to monitor anything, so mrtg won't start.
But the page is there if you access it manually and if you know how to
do it.
Also, making mrtg start without checking if there are any targets to
monitor is an easy job, but I think we should wait for Paul McDaid to
finish http://track.sipfoundry.org/browse/XCF-2810 which will make mrtg
managed by the supervisor and it will be easier to start mrtg with the
whole system.
Mrtg can run with an empty configuration. You can even have more that
two instances of mrtg running at the same time, but you need separate
configurations for them.
Hope this helps,
Andrei
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