Thread pooling in AIO?

[Nord, James]

> >
> > So your using AlertableIO[1] and not IOCompletion[2] ports then?
> > Doesn't this have inherant scalability issues as you can 
> only proccess 
> > on the same thread?
> > It also means you can have some intersting thread 
> management issues...
> >
> > [1]http://msdn.microsoft.com/en-us/library/aa363772(VS.85).aspx
> > [2]http://msdn.microsoft.com/en-us/library/aa365198(VS.85).aspx
> >   
> On Windows the implementation uses overlapped I/O and 
> completion ports for both file and socket I/O (except for 
> AsynchronousDatagramChannel). 
> On Windows Server 2003 and 2008 we regularly test with 20k+ 
> connections.

Then you don't have to worry about which thread is handling the
completion routine.  It is only AlertableIO that has this limitation.
	from [1] "However, alertable I/O returns the result of the I/O
request only to the thread that initiated it. I/O completion ports do
not have this limitation."


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