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
Thanks and Regards,
Yateen V. Joshi
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