LearnBoost/socket.io — pull request #1323 by tico8 (2013-10-08 16:32:34+00:00)
Title: Memory leak : If a lot of connections continue being disconnected, a memory will leak.

The onDisconnect(id, local) method is called without a [local] parameter.
[message:id] and [disconnect:id] channels are not unsubscribed from redis. Therefore, messageConsumers continues increasing and memory leak.