Hello,

Recently I started 2 local galaxy servers on Linux PC for internal use. I noticed that the main WSGI process uses a lot of CPU time – see the output of ps command below:

$ ps aux | head -1 & ps aux | grep wsgi

[1] 5293

USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND

galaxy    26685 59.6  0.3 457332 125224 ?       Sl   Sep14 34447:36 python ./scripts/paster.py serve universe_wsgi.ini --daemon

galaxy    19346 38.9  1.9 1098388 634772 ?      Sl   Oct17 4451:59 python ./scripts/paster.py serve universe_wsgi.ini --daemon

From this output, the first galaxy process used 59% of the CPU time in the recent month, it is 34447 minutes! The second process used 39% in the recent days.

In the same month a tomcat web application used 10 minutes of CPU time, which is 0.0%. I have to say, that galaxy was accessed very, very seldom, a few times per week.

Also the top command returns similar results: both galaxy server use more than 90% of CPU time, even if nobody is accessing galaxy.

Is this normal?

Do you have the same %CPU in ps command?

Can this be configured/minimized somehow?

Why is the CPU usage so high, if nobody is accessing galaxy? Is this a “feature” of WSGI?

Sebastian

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Sebastian Sośnik
FQS Poland
30-538 Krakow, ul. Parkowa 11
URL: http://www.fqs.pl
Tel. (+48 12) 429 43 45
Mobile (+48) 608500161
Fax. (+48 12) 429 61 24
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