[smokeping-users] Re: many ip addresses, short amount of time
jeffwilliams05 at gmail.com
Thu Feb 9 20:51:45 MET 2006
> > Hi,
> > 6749 targets is a lot. Have a look at
> > http://lists.ee.ethz.ch/smokeping-users/msg01728.html
> > It basically says that the measurement time is around 20 milliseconds /
> > host / ping, which seems apply to your situation as well. I don't think
> > reducing mininterval below DEFAULT_SELECT_TIMEOUT compiled into fping (10
> > milliseconds by default) helps anything. I don't know how small timeouts
> > select(2) can handle, but you could try lowering DEFAULT_SELECT_TIMEOUT
> > and recompile.
> > The other recommendations in the above link apply as well: consider
> > splitting the probing between multiple servers, possibly with the
> > Smokeping '--filter' option, or define two FPing probes and split the
> > load between them.
> > Hope this helps,
> > --
> > Niko
Thanks for your help Niko. It runs much faster now. I have the ip
addresses split into 8 groups with their own FPing instance.
As a followup, I'm wondering if it is possible to have a host in
multiple parts of the hierarchy. For example, I have hypothetical host
'A' and it falls under the top level group called 'World', with the
subgroup 'Europe'. If this same hostname could also fall under World
-> Asia, can I put it in that grouping as well without needing to have
a different hostname for it? Could I also do that without having more
than one RRD file? I apologize if this is covered somewhere in the
documentation. I read the config manpage carefully and did not see it
anywhere, nor was I able to find it with a few google searches.
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