On 08:19 Wed 24 Sep, Roberto De Ioris wrote:
>
>> I have a shell script run by some python code using imagemagick's convert
>> to
>> resize images.  If I run the python code from the cli, it uses 4 cpu
>> cores.  If
>> I run the script through a webpage via nginx+uwsgi it uses 1 core.  If I
>> set
>> 'cpu-affinity' to '2', convert uses two cores.  Any value higher than 2
>> results
>> in two cores being used.  Is uWSGI limiting the number of cores used?
>> nginx?
>>
>>
>> Operating system:   Arch Linux
>> CPU architecture:   x64
>> Webserver:          nginz
>> uWSGI version:      2.0.1
>>
>> $ cat /etc/uwsgi/common.ini
>> [uwsgi]
>> print = @@@ %n.ini loading @@@
>> strict = true
>> socket = /tmp/%(my_config_name).socket
>> chmod-socket = 666
>> chown-socket = http:http
>> plugins = python2
>> mount = /=wsgihandler:application
>> processes = 1
>> #harakiri = 60
>> harakiri = 600
>> post-buffering = 4096
>> cpu-affinity = 2
>> stats = /tmp/stats.socket
>> max-requests = 2000
>> limit-as = 512
>> reload-on-as = 256
>> reload-on-rss = 192
>> no-orphans = true
>> enable-threads = true
>> threads = 4
>> _______________________________________________
>>
>
>
>If i remember correctly imagemagick (if compiled with openmp) can run its
>functions in multiple threads, so i suppose your problem is that those
>threads do not spawn or spawn in a 'strange' way.
>
>I would start removing the limit-as option, expecially on 64bit systems is
>generally a bad idea. There are more efficient (and less-invasive) ways to
>limit memory (and generally you want to limit physical memory, not the
>virtual one that has various usages)

Yes I commented out 'limit-as = 512' and it works as expected.  Thanks.

-steve
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