Latest on the slowness of convert. My VPS server was bulging so I had
it upgraded to the next level:
The VPS upgrade is complete. Now we have:
CPU 1.98GHZ / RAM: 1344MB
as opposed to
CPU 1.13GHZ / RAM: 768MB.
Convert is still running horribly slow. I just ran some command-line
ImageMagick tests after the upgrade on 2 different servers and my Linux
desktop using this command:
% convert cat1500.jpg -thumbnail '100x100>' -background white -gravity
center -extent 100x100 cat_thumb.jpg
cat1500.jpg is a 1.5MB jpg right out of my slr.
On the VPS server, the command takes about 18 seconds. On the ordinary
shared hosting server it runs in about 1/2 second. On my local Linux
pc, it also completes in under one second, perhaps 1/4 to 1/2 second.
I can appreciate that it might slower slower on the VPS server because
of how the server shares resources, but the difference I am seeing is
minimally a factor of 18, probably 36+.
Can this be? What else is in the mix that can be checked? The version
of imagemagick is even newer on the VPS account:
/VPS/TEST% convert -version
Version: ImageMagick 6.4.8 2010-02-03 Q16 OpenMP http://www.imagemagick.org
Copyright: Copyright (C) 1999-2009 ImageMagick Studio LLC
/SHARED/TEST% convert-version
Version: ImageMagick 6.3.9 12/10/08 Q16 http://www.imagemagick.org
Copyright: Copyright (C) 1999-2008 ImageMagick Studio LLC
Q: Are there any known issues with the 6.4.8 version of ImageMagick that
might account for the problem? Any other ideas?
-Bob
Can anyone on the list do a similar test on a VPS server they run. The
input image is a standard 1500KB jpg.
-Bob
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