[rrd-developers] Re: ANNOUNCE: rrdtool-0.99.52 (PNG release II)

[Blair Zajac]

Tobi,

Do you have any performance numbers for generating PNG versus GIF files?

Thanks,
Blair


Tobias Oetiker wrote:
> 
> Hi,
> 
> Sorry to not announce 1.0.0 today, but there have just been too many changes
> to feel certain to release 1.0.0 just yet ...
> 
> I hope to be able to release on Thursday ...
> 
> Here goes the story. Last Week Thomas Boutell pulled gdlib from his
> website, stating problems with licensing issues ... (the good old gif story
> again). This has motivated me to add PNG support to rrdtool, so that we are
> not dependent on GIF anymore. Now gif is still the default output format,
> but I am not using lzw compression any more. The --imgformat PNG switch
> allows to go to make rrdtool graph output PNG ...
> 
> Adding PNG support required me to add zlib and libpng to the rrdtool
> distribution. I am not sure how portable the whole tool is now. I have tested
> on Solaris and Linux (Debian) ... it seems to work, but I would be
> very happy if some more people could give rrdtool a whirl ...
> 
> CHANGELOG:
> ----------
> 0.99.52
> From: Tobi
> 0) repackaged to recover from error in MANIFEST
> 0.99.51
> From: Blair
> 0) reduced number of syscalls in rrd_update by 30%
> From: Tobi
> 0) added <RRD:SETENV to rrdcgi ... allows you to setvariables like TZ
>    to do things in different timezones ...
> 1) make sure no < and > are in data imported from cgi ...
>    replace occurrences by _
> 2) switched to gdlib 1.3
> 3) added support for PNG output format ... (small changelog line for a lot
> of work .
> .)
> 4) fixed default for -b option in rrd_create
> 5) Switched to lucidatypewriter font
> 
> From: Alex
> 0) fixed Last-Modified: and Expires: to output dates compatible with
>    http standard.
> 
> --
>  ______    __   _
> /_  __/_  / /  (_) Oetiker, hacking RRDTOOL&MRTG @  Caida for the Summer
>  / // _ \/ _ \/ / +1 619 822 0882 / tobi at caida.org / www.caida.org/~tobi
> /_/ \.__/_.__/_/ _______________________________________________________
> 
> --
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