Re: RRDtool & monit

[alex black]

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> I'm not sure this is something that belongs in monit.  Why reinvent  
> the
> wheel?  Checkout munin: http://munin.projects.linpro.no/

It's pretty cool, but it doesn't check real world response times and  
note failures:

http://munin.ping.uio.no/ping.uio.no/cappuccino.ping.uio.no.html#Apache

note that there is no graph syaing "response time of (url)"

I want stats on the actual stuff that monit is monitoring, and yeah  
inode usage is great etc but the "real world useful" stuff is what I  
need.

I use monit, for example, to monitor inode usage and warn me if it  
exceeds 25% on any machine. If it's below that, do I really need a  
graph of it? (sure, if something went wrong and I want to track it,  
otherwise = useless).

That's why I think something that in part of monit would be so  
useful, so monit could insert markers into the data that show error  
points correlated with its checks.

That said, munin is cool - it's just not really what I'm looking for.  
If everything is running fine, I don't want to know. I only need to  
know if stuff is failing and if so, why, and what the pattern looks  
like. RRD would help that I think.

_a




> I use it on most of my systems and have been fairly satisfied.
>
>
> Regards,
> Vince
>
>
> - - --
> Vincent Rivellino
> GPG Key ID: 62BFEBE4
> https://cuz.cx/gpg
>
>
> On Fri, June 23, 2006 14:39, Mike Jackson wrote:
> > > I'm using monit for all system processes on all the servers I  
> > > run, it
> > > works wonderfully, dutifully notifying me that it has prevented  
> > > the  sky
> > >  from falling.
> > >
> > > It has occured to me that it would be VERY VERY nice to have monit
> > > also collect performance data and write RRD databases, since it is
> > > constantly running and checking processes. The most interesting
> > > performance data for me is system load an HTTP response times on
> > > localhost (I want to know if it is taking 10 seconds for apache to
> > > respond), however I'm sure it would be trivial to collect other  
> > > data  as
> > > well. Even better if that information was exposed in the monit  HTTP
> > > interface. I would be happy to donate an interface design for  that,
> > > btw.
> > >
> > > Self monitoring and self healing machines = sexy ;)
> >
> > ooh, RRD data from monit? That's a swell idea. I haven't used any
> > RRD-graphing tools yet, but I've been looking at a few and this  
> > would be
> > the thing that would make me switch away from plain ol' MRTG forever!
>
>
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- --
alex black, founder
the turing studio, inc.

510.666.0074
address@hidden
http://www.turingstudio.com

2600 10th street, suite 635
berkeley, ca 94710



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