(infinite) timeouts in long running jobs with gevent.subprocess

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James WH

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May 2, 2020, 9:52:48 AM5/2/20
to gevent: coroutine-based Python network library
I am quite new to gevent and I am looking to run a long running job(a large physics simulation) using `gevent.subprocess` method, and I have come across this `timeout` argument in the docs with:
[1] check_call
[2] call
[3] check_output

Should `timeout=None` be specified for inifinite timeout? Related to this, I also have another question: which of the above methods are best suited to running long jobs(I require confirmation that the job ran successfully)? They all seem pretty much the same to a naive person like me (other than that in one you can get the output of the process). Is there specific advise for this?

Thank you authors+everyone for this awesome package.

best wishes,
JW.

Kevin Tewouda

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May 3, 2020, 2:09:46 PM5/3/20
to gev...@googlegroups.com
Hi James,
if you have intention to run a large CPU program, I will recommend you to use gipc. This is appropriate for CPU-intensive programs since it will not block the event loop.
Should `timeout=None` be specified for inifinite timeout?  
timeout=None means there is no timeout at all. Often, I think it is much easier to use a construct like `with Timeout(seconds)` on a block of code. You can read more about here

Hope this will help you to begin with gevent :)

Best regards

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Tewouda T. R. Kevin
Ingénieur informatique options génie logiciel et réseaux informatiques à 3IL
Titulaire d'un diplôme post master en télécoms à Télécoms Paris Tech
Développeur python à Gandi
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