[collectd] RRDTool slowdowns

Mirko Buffoni briareos at eswat.org
Wed Jun 30 19:04:50 CEST 2010

Ok, thanks to Alex that confirmed it, rrdtool-1.4 with cairo and pango is 
So I recompiled collectd 4.10.0 with rrdtool-1.2.30, and now it's zillion 
of times faster than with rrdtool-1.4
I had to specify required libgcrypt-devel during build otherwise I get a 
macro error in configure step.


At 15.56 30/06/2010 +0200, you wrote:
>Hi folks,
>I recently upgraded rrdtool from version 1.2 to 1.4.
>Previous version was using libattr, while the new makes use of pango /
>fontconfig / cairo for rendering.
>I'm noticing tremendous slowdowns in generation of rrdgraphs.
>It's about 10~20 times slower than before.
>I'm currently using only dejavu-lgc-fonts, and I'm on a standard CentOS 5.3
>I was wondering if anyone of you experienced such degradation problems
>during rendering of
>collected data.
>I'm open to suggestions.  Thank you.
>collectd mailing list
>collectd at verplant.org

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