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Posted to mod_python-dev@quetz.apache.org by "Nicolas Lehuen (JIRA)" <ji...@apache.org> on 2005/07/28 17:28:19 UTC

[jira] Updated: (MODPYTHON-8) Improve apache.load_module with a two-level locking scheme

     [ http://issues.apache.org/jira/browse/MODPYTHON-8?page=all ]

Nicolas Lehuen updated MODPYTHON-8:
-----------------------------------

    Fix Version: 3.3.0
                     (was: 3.2.0)
    Description: 
We should rewrite apache.load_python with a two level locking scheme, in order to reduce thread contention when using the threading MPM.

I've already implemented something similar for a custom-made publisher system (comparable to Graham's Vampire) ; I've used a thread-safe caching system that I've donated to the Python Cookbook :

http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/302997

Maybe this should be experimented in a separate branch, and merged back once we're sure that everything works perfectly ?

  was:
We should rewrite apache.load_python with a two level locking scheme, in order to reduce thread contention when using the threading MPM.

I've already implemented something similar for a custom-made publisher system (comparable to Graham's Vampire) ; I've used a thread-safe caching system that I've donated to the Python Cookbook :

http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/302997

Maybe this should be experimented in a separate branch, and merged back once we're sure that everything works perfectly ?

    Environment: 

> Improve apache.load_module with a two-level locking scheme
> ----------------------------------------------------------
>
>          Key: MODPYTHON-8
>          URL: http://issues.apache.org/jira/browse/MODPYTHON-8
>      Project: mod_python
>         Type: Improvement
>     Versions: 3.1.3
>     Reporter: Nicolas Lehuen
>     Assignee: Nicolas Lehuen
>      Fix For: 3.3.0

>
> We should rewrite apache.load_python with a two level locking scheme, in order to reduce thread contention when using the threading MPM.
> I've already implemented something similar for a custom-made publisher system (comparable to Graham's Vampire) ; I've used a thread-safe caching system that I've donated to the Python Cookbook :
> http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/302997
> Maybe this should be experimented in a separate branch, and merged back once we're sure that everything works perfectly ?

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