[rrd-users] RRA/RRD tuning

Christoph Anton Mitterer calestyo at scientia.net
Sun Aug 12 17:44:53 CEST 2012

On Sun, 2012-08-12 at 16:44 +0200, Tobias Oetiker wrote:
> well since modifying cairo is not realy something which would
> quickly carry to all the distros, it might be more beneficial to
> add png generation ability back into rrdtool and just get a
> pixlebuffer from cairo instead of an already compressed png ...
> there was such code in rrdtool 1.2 (when it was still based on
> libart) ...
Phew... well... I haven't so much insight to the details, I guess, but I
think it's quite clean to use cairo for all this, especially as we get
all it's backends for free.

> looking at cairo docs, it seems that the png output facility is
> regarded more as testing fehicle than an actual prduction quality
> feature, hence probably the lack of knobs to tune it.
I've added https://bugs.freedesktop.org/show_bug.cgi?id=53413 .

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