[smokeping-users] 25 slaves overwhelming master

[Tobias Oetiker]

Hi Phillip,

Today Phillip Moore wrote:

>
> Is there more to making speedy work than just replacing perl with is as the
> interpreter for smokeping.cgi? As far as I could tell it does not use the
> speedy perl module at all. The source I found for speedy was from 2005 also.

no replaceing the interpreter is all you have todo .. the rest
happens automatically in the smokeping.cgi code ...

> Also, I haven't setup or hard coded any offset for the slaves to run as I
> didn't see any way to do that. Its unclear if they are running at the exact
> same time now, but I end up with a ton of smokeping.cgi's stacked up when I
> wasn't running it with speedy. I've yet to get speddy going 100% yet, so we'll
> see how that goes if I get it working. WHen I say not 100%, speedy and the
> speedy_backend end up getting run, but I got some odd errors (that I've lost
> now) with the various web pages on smokeping.cgi. It also complained about the
> rrd files not being compatible when I started using speedy.

the offsets are random by default, if you enable the logfile option
on the slaves, you can see what offset gets chosen ...

cheers
tobi


>
> I'll keep poking and see if speedy makes this work better.
>
> Thanks,
>
> -pdm
>
> On Feb 25, 2008, at 5:22 PM, Tobias Oetiker wrote:
>
> > Hi Phillip,
> >
> > the probes should all see a different offset unless you specify the
> > same offset explicitly. Are your slaves all running at the same
> > time ?
> >
> > for high load situtations it is essential to use speedy since
> > startup time for smokeping is way too high with all the config file
> > reading otherwhise ...
> >
> > cheers
> > tobi
> >
> >
> > Today Phillip Moore wrote:
> >
> > >
> > > I'm having an issue where I have about 25 slaves each monitoring 24
> > > FPing targets reporting back to a single master. Things seem to work,
> > > but the master becomes overwhelmed with smokeping.cgi processes and
> > > load goes way up. I've tried setting it up with speedy, and despite
> > > not working quite right, the load is still way too high.
> > >
> > > Has anyone done the master/slave setup at this size and had it work
> > > ok?  I don't see anyway to extend the time between reports or to make
> > > sure they are randomized.
> > >
> > > Thanks,
> > >
> > > -pdm
> > >
> > >
> > >
> > >
> > >
> > >
> > > _______________________________________________
> > > smokeping-users mailing list
> > > smokeping-users at lists.oetiker.ch
> > > https://lists.oetiker.ch/cgi-bin/listinfo/smokeping-users
> > >
> > >
> >
> > --
> > Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten
> > http://it.oetiker.ch tobi at oetiker.ch ++41 62 213 9902
>

-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten
http://it.oetiker.ch tobi at oetiker.ch ++41 62 213 9902