[rrd-users] Re: Faster tool to generate graphs using RRD file s
oetiker at ee.ethz.ch
Thu Nov 13 17:04:02 MET 2003
Monday Saravia, Jovanny - (Col) wrote:
> If rrdtool doesn't need to spend time on generating a suitable set
> of data (meaning: it is already there), the query returns faster.
> Returning faster means each client uses the webserver for less time.
> Less time on the webserver means less simultanious sessions on that
> same server.
> This is what you wanted, isn't it?
Another hint: make sure you use a persistance framework for running
mrtg-rrd.cgi ... I would use speedy cgi ... the author recomments
fastcgi if I am not mistaken ...
> That I need is a better way to generate the graphs online for the clients,
> using rrd files.
> Of course if I have a fast return, apache will manage quickly and could
> handle more request and the final client will see quickly the graphics.
> If I optimize this, that I hope it. I could handle a dedicated apache server
> to generate graphics. But in the way that I have using 3 web servers,
> Clients wait for a long time while the graphic is being generated. I believe
> that mrtg-rrd.cgi is not a scalable tool for this.
> The tool that I am looking for, is a better tool than mrtg-rrd.cgi.
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