>What circumstances can provoke this behavior?

the OCR plugin uses tesseract and ImageMagic to convert images to raw 
(uncompressed) format and to do the OCR. Read the documentation of both! I 
think you should not configure the usage of OCR (image processing) - 
extracting and analyzing the text from *.pdf files is OK.

tesseract and imageMagic are running out of assp's control. If you have 4 
CPU-cores  5 workers and 4 of them are processing images - the complete 
system will stuck!

Thomas




"Shabalin, Alexander" <ashaba...@jgl.ru> 
11.12.2009 09:47
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[Assp-test] convert and send data (stuck) in 2.0.1_RC0.6.13






Hi All!

Most of outbound mail get stuck in outbound exchange queue caused by 
strange behavior of ASSP.

ASSP Worker/DB Status - not healthy
convert and send data (stuck) - and loop age is grow up to 300 seconds and 
more...
In this time ASSP (Perl.EXE) grows up in memory usage to 1.2-1.3 GB of 
RAM.

Affected: 2.0.1_RC0.6.11 and 2.0.1_RC0.6.13
Have to fall back to 2.0.1_RC0.6.06 but the issue is appeared again.

I haven't time yet to thoroughly look in to logs but the one line is pins 
my attention:
Dec-11-09 11:13:42 18847-03932 [Worker_4] 192.168.10.210 
<myaddr...@mydomain.ru> to: mylicensemanageraddr...@microsoft.com 
ASSP_OCR: converted file image001.png is to large for OCR - skip

I'm disable OCR plugin, restart ASSP and problems appears to be gone.
20 minutes later I upgraded ASSP to the latest version (2.0.1_RC0.6.13) 
and problem did not appear.

What circumstances can provoke this behavior?
Any ideas?

The one and only thing I can accuse - is that I updated all Perl modules 
on this server two day before.
But why ASSP takes full resource of one logical CPU and grows up in memory 
usage - is the goal question that I have to solve.

PS. I can't reboot server right now...
PPS. Server uptime - 40 days.


Best regards,
Alexander Shabalin
 


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