> > I am afraid that single pool of fcgi resources is not currently possible for > > multiple django sites. Maybe it would be possible if someone wrote a > > specific script/wrapper for Django but, I guess, it would create more risks > > (think about thread safety) than benefits. > > It is only possible with mod_python/mod_wsgi because they use C API of > Python to create additional sub interpreters within same process. > There is no feature/module available to Python code to do the same > thing. It would be possible to create special C extension module that > allowed it but transferring request from context of sub interpreter > which accepting the request to another sub interpreter would be tricky > and you could run into lots of problems as a result of data sharing > between interpreters.
Much clearer in my mind, thanks > > > > However, I read on a blog from Graham > > >http://www.technobabble.dk/2008/aug/25/django-mod-wsgi-perfect-match/ > > > > That there is a lot of shared libs between the various fcgi processes/ > > > servers, so it doesn't matter much to have unused processes/servers. > > Dynamically loadable shared libraries even though loaded by > independent process instances will be mapped only once by operating > system. In the larger scheme of things this doesn't help, as each > Django process may still have many tens of MBs of local process > private memory due to Python code caching and application data. It is > this latter memory usage which is the real problem. I see. Thanks. > Graham > > > > The issue being that, of course, I don't know in advance which site is > > > going to be inactive and that's likely to change from one day to the > > > other. Not to mention that changing the number of spare servers > > > manually isn't very high on the list of things I like to do on a daily > > > basis ;) > > > I meant that maxspare=NUMBER sets maximum number of free/idle processes. If > > the load grows new processes are spawned. When the load drops unneeded > > processes are killed. > > > Valts. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
