Greetings,
here is a tip if you are running an obfs3/scramblresuit bridge:
If your bridge is feeling too slow or flooded by too many connections, you can help it by installing the python-gmpy package. If you do that, obfsproxy will use python-gmpy opportunistically to perform some crypto operations (modular exponentiations) much much faster.
FWIW, in future packages of obfsproxy, the python-gmpy will be installed as a recommended package.
tor-relays@lists.torproject.org