is there any pool for ThreadingMixIn and ForkingMixIn for SocketServer?
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I was trying to make an http proxy using BaseHttpServer which is based on SocketServer
which got 2 asynchronous Mixins (ThreadingMixIn and ForkingMixIn)

the problem with those two that they work on each request (allocate a new thread or fork a new subprocess for each request)

is there a Mixin that utilize a pool of let's say 4 subprocesses and 40 threads in each
so requests get handled by those already created threads ?

because this would be a big performance gain and I guess it would save some resources.
