2010/1/14 Damjan <[email protected]>: >> There is a conference happening mid year that has my eye as the >> location is in a part of the world I like visiting and as such do so >> when I can get a chance, albeit usually on the way to somewhere else. >> >> Now, in practice I may not have the time to even do all the >> preparation work, would have to see, but am still interested to hear >> from people what you would like to see in a 30 minute talk or 3 hour >> tutorial which covered to some degree Apache/mod_wsgi, if you had the >> option of attending such a presentation. >> >> Usually I have a tendency to go into too much detail on talks on >> esoteric issues and is somewhat lost on most people, so finding the >> right balance between it being simple and instructive, but also >> showing the possibilities even if you may not use it, is quite >> important. > > I would like to see a discussion on where Apache is going in the > future (I hear it'll include a event based MPM) and how that would > apply to mod_wsgi, and even more how Python could take advantage of > it.
The event MPM will not result in any discernible difference. This is because at Apache handler level it is still synchronous (blocking) as is now. In other words, when they say event MPM it isn't the same as what people in Python world mean when they talk about Tornado for example being an event driven asynchronous system. All that event MPM does from my memory is that rather than the thread that handled the request being the one that manages the keep alive for the connection, when a request is over, the connection will be given back to a single event driven thread to handle the keep alive connection. Thus, the request handler threads can be used to handle other requests rather than sitting their unused dealing with possible keep alive condition on the connection which it handled the request on. >From what I can remember even event MPM may fall by the way side. Instead, there is movement towards simple MPM, which will embody the ability to act like either prefork or worker MPM in one MPM. I think it will also take on that aspect of keep alive handling from event MPM. At least, that is how I remember things. > I also wouldn't mind a discussion on how CPython could be made better > to support embedding like mod_wsig. All things considering it doesn't do too bad of a job now. Anyway, would have to think about that one. Graham
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