On Thu, Apr 4, 2013 at 5:16 PM, Roberto De Ioris <[email protected]> wrote:
> > > On Thu, Apr 4, 2013 at 5:06 PM, Roberto De Ioris <[email protected]> > wrote: > > > >> > >> > Hi, > >> > > >> > When I run uwsgi in emperor mode and if threads are set to 0 > >> "threads=0" > >> > still there seems to be a thread for each worker. Where is if I run > >> > without > >> > emperor mode and set 'threads=0' the worker does not seem to have any > >> > threads. > >> > > >> > I have a couple of web instances which are running and I see that the > >> > number of context switches in the machine which has emperor mode > >> enable > >> is > >> > high averages 6k - 8k per second. I would appreciate if someone could > >> shed > >> > some light on this. > >> > > >> > > >> > >> uWSGi internally can use threads for various purpose (even if > >> langiage-specific support for threads is not enabled). > >> > >> Are you sure you are not referring to the master process (that is > >> enabled > >> automatically when in emperor mode) ? > >> > >> > >> -- > >> Roberto De Ioris > >> http://unbit.it > >> _______________________________________________ > >> uWSGI mailing list > >> [email protected] > >> http://lists.unbit.it/cgi-bin/mailman/listinfo/uwsgi > > > > > > > > When I observe the processes via htop the machine with emperor enabled > has > > a child under each worker where as the other machine in which emperor > mode > > is disabled I do not see a child under the worker. > > _______________________________________________ > > > > I do not remember if htop shows threads, but under emperor mode you should > always have an additional process (the master) and 1 child for each > worker/mule/spooler > > > -- > Roberto De Ioris > http://unbit.it > _______________________________________________ > uWSGI mailing list > [email protected] > http://lists.unbit.it/cgi-bin/mailman/listinfo/uwsgi > Htop displays threads and I can see a child for each worker and am presuming it's a thread. A child for a worker? and I see a child for each worker only when emperor mode is enabled.
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