Am 20.03.2015 um 09:14 schrieb Andreas Lehmkühler:
Hi,


Tilman Hausherr <thaush...@t-online.de> hat am 19. März 2015 um 23:30
geschrieben:


I'm testing preflight on the Rackspace server of Tim Allison. Preflight
is very slow, and I narrowed this to
PDColorSpace.toRGBImageAWT(), there to the line

        op.filter(src, dest);

Initialization of a CMYK based PDIndexed colorspace takes between 1 and
4 seconds :-( On my W7 system, it takes about 50ms.

Java installed on the server:

java version "1.7.0_75"
OpenJDK Runtime Environment (rhel-2.5.4.2.el7_0-x86_64 u75-b13)
OpenJDK 64-Bit Server VM (build 24.75-b04, mixed mode)
According to [1] it seems to be a regression within newer versions >1.7.0_25 of
the OpenJDK

BR
Andreas

[1]
https://bugs.openjdk.java.net/browse/JDK-8041125?page=com.atlassian.streams.streams-jira-plugin:activity-stream-issue-tab

Yeah, I should have googled it... or have remembered that we discussed this before and even have a workaround:
https://issues.apache.org/jira/browse/PDFBOX-2230

(Sadly, the workaround doesn't make a difference :-(  )

Maybe this can also explain why JDK8 was so slow when I installed it a few months ago. I deinstalled it a few hours later.

Tilman



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