In Jun 2002 Andrew Kuchling kindly took up the maintenance of medusa. He has an updated release available via sourceforge.
Since the eGroups mailing list has become completely swamped in spam, the mailing list is moving to python.org
Medusa is an architecture for building long-running, high-performance network servers in Python.
Medusa is in use now in several mission-critical applications, ranging from custom web servers at extremely high-traffic sites to distributed data processing systems.
It is an elegant and efficient solution to a difficult
programming problem. Medusa's core async-socket library is very
stable; it has been in use virtually unchanged since 1995. [It's also part
of the Python Library as of Python-1.5.2, see asyncore.py and
asynchat.py]
The latest release of Medusa is available:
asyncore.poll() in C by Andy Dustman.
The latest version of asyncore.py includes support for this module.
poll(2) is much like select(2), but uses an array of structures rather than a
bitmap. A major design problem with select(2) is that an fd_set is
usually of a fixed maximum size, on many operating systems the kernel needs to rebuilt to
raise this limit; even on those that have dynamically adjustable limits, you still
need to recompile your application (because FD_SETSIZE is a macro).
-Sam Rushing
rushing@nightmare.com
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