[rrd-users] Re: More on Price Graphs :)

Hal Snyder hal at vailsys.com
Mon Jun 19 19:29:18 MEST 2000

Chris Snell <chris at bikeworld.com> writes:

> On Tue, 13 Jun 2000, Winton Davies wrote:
> >   However, now I am reaching performance issues. I have about 6000 
> > different graphs... and at what would appear to be a large fraction 
> > of a second per invocation, it seems unscalable for my purposes.
> If you're Perl-saavy, check out my Bronc package:
> 	http://bronc.blueaspen.com
> Use your scripts/programs/whatever to do the RRD updates but use the
> Grapher component of Bronc to produce your graphs on-the-fly, only as you
> need them.  There's no reason to produce 6000 graphs once a minute (or a
> day, even), if only 200 of them are going to be viewed on any given
> day.  I think you'll find the graph-on-the-fly aspect of Bronc to perform
> quite well.  On my FreeBSD-based Pentium II 400MHz machine (w/ 256M ram),
> Bronc cranks out a RRD graph in a fraction of a second, with no noticable
> system load.  mod_perl rocks! ;-)

rrdcgi (included with rrd) does graphing on demand, and won't redraw
an up-to-date graph.

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