Message 67678 - Python tracker

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In-reply-to
Author	vslavik
Recipients	Rhamphoryncus, fdirosa, nnorwitz, timbishop, vslavik
Date	2008年06月03日.22:58:30
SpamBayes Score	0.044792674
Marked as misclassified	No
Message-id	<1212533912.35.0.0693445471333.issue1758146@psf.upfronthosting.co.za>

Content
> Does the PythonInterpreter option create multiple interpreters > within a single process Yes. > They aren't truly isolated interpreters and nobody I've asked has yet > provided a use case for it. If you ignore mod_python and mod_wsgi, then maybe, but mod_python is the use case for this. Running separate process for every web app and/or every virtual host on your server is expensive in terms of RAM usage (and this matters if you use virtual server - 256MB or less is not unusual). On the other hand, you need isolation for independent apps -- some modules may use globals, or you may want to be able to run both production and testing versions of the same app (i.e. different versions of the same Python module).

Content

> Does the PythonInterpreter option create multiple interpreters
> within a single process
Yes.
> They aren't truly isolated interpreters and nobody I've asked has yet 
> provided a use case for it.
If you ignore mod_python and mod_wsgi, then maybe, but mod_python is
*the* use case for this. Running separate process for every web app
and/or every virtual host on your server is expensive in terms of RAM
usage (and this matters if you use virtual server - 256MB or less is not
unusual). On the other hand, you need isolation for independent apps --
some modules may use globals, or you may want to be able to run both
production and testing versions of the same app (i.e. different versions
of the same Python module).

History
Date	User	Action	Args
2008年06月03日 22:58:32	vslavik	set	spambayes_score: 0.0447927 -> 0.044792674 recipients: + vslavik, nnorwitz, Rhamphoryncus, timbishop, fdirosa
2008年06月03日 22:58:32	vslavik	set	spambayes_score: 0.0447927 -> 0.0447927 messageid: <1212533912.35.0.0693445471333.issue1758146@psf.upfronthosting.co.za>
2008年06月03日 22:58:31	vslavik	link	issue1758146 messages
2008年06月03日 22:58:30	vslavik	create

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