[openstack-dev] design question : green thread model

murali reddy muralimmreddy at gmail.com
Wed Jan 28 15:42:57 UTC 2015


I am trying to understand how a nova component can be run parallely on a
host. From the developer reference documentation it seems to indicate that
all the openstack services use green thread model of threading. Is it the
only model of parallelism for all the components or multiple processes can
be used for a nova service on a host. Does nova.service which seems to do
os.fork is being used to fork multiple processes for a nova service?

I am newbie so pardon me if the question is asked before.

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