On Wed, Dec 9, 2009 at 6:22 AM, Michael Foord <fuzzy...@voidspace.org.uk> wrote: > On 09/12/2009 08:51, Joshi, Yateen wrote: > > Hi, > > > > I have an application that uses multiprocessing pools > (multiprocessing.Pool(processes=…..)). There are multiple such pools and > each pool has configurable number of processes. Once the process is spawned, > it keeps on executing and does the needed processing. If there is nothing to > process (like ftp’ing files from some source, if the files are not there, > the process would sleep for some time, and then again check for files, that > way, it is a infinite loop with some sleep), the process ‘sleeps’ for some > time and continues. > > > > I am using a T5220, Solaris box with Solaris 10. > > Problem –there are multiple pools and multiple processes, i am seeing that > not all the processes get spawned. They get spawned when the sleep time is > increased (say from 0.1 sec to 1 sec). If I further increase the number of > processes, again some process do not get spawned. For that, I further need > to increase the sleep time (say to 2 sec), then the processes get spawned. > > > > Typically, in a multiprocessing I would expect that if a process sleeps for > even a small time, other processes should get their chance to execute, but > this does not seem to be happening here. Can you please throw some light on > it? > > Hello Joshi, > > This email list is for the development of Python, not for developing with > Python. A better place to try would be the python-list (comp.lang.python - > which has both google groups and gmane gateways). > > All the best, > > Michael Foord >
Additionally, if you suspect there is a reproducible box (preferably not just on solaris, which I do not have access to) please file it in the tracker. _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
