Re: [gentoo-user] {OT} method for graphing server stuff?

[Grant]

> > > > > I was thinking it would be pretty handy to generate a series of
> > > > > transposed (or not) graphs for data like cpu usage, mysql usage,
> > > > > memory usage, external monitoring response times, http traffic,
> > > > > etc. My external monitoring service has an API I can hook into
> > > > > and http traffic is logged to mysql so I'm thinking I have good
> > > > > access to the data, but I need a way to tie it all together
> > > > > into a useful presentation.  Is there a good package for this?
> > > >
> > > > I think net-analyzer/rrdtool will probably come close to this.
> > > > It's used by many other solutions, so you'll find a lot of
> > > > examples on the Web.
> > >
> > > +1 to rrdtool.  At my company, we set up rrdtool to graph 100's of
> > > graphs per day on all sorts of data from different sources.  It's
> > > very customisable, if you want to spend the time on it.  I also
> > > found the creator and forum very supportive.
> >
> > Is it difficult to plug in data from sources different sources?
>
> That depends on the difficulty to aquire this data. rrdtool is
> basically a database which allows round-robin storage (old data times
> out) combined with some statistical abilities -- and also has a
> graphing component. It's your job to e.g. set up cron jobs or daemons
> which feed the data into it. You would create databases for each
> monitored entity (or group of entities for the same concept) and then
> write data into it. Then, on the other side, you could e.g. call it to
> create graphs that are being served via CGI, written to the desktop,
> whatever.

That sounds perfect.  What sources of data are people here using with
rrdtool and how are you getting that data in a form rrdtool can use?

- Grant
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