facebook-erlang

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facebook新开发的聊天室用erlang来实现分布式...
http://www.facebook.com/notes.php?id=9445547199
For Facebook Chat, we rolled our own subsystem for logging chat messages (in C++) as well as an epoll-driven web server (in Erlang) that holds online users' conversations in-memory and serves the long-polled HTTP requests. Both subsystems are clustered and partitioned for reliability and efficient failover. Why Erlang? In short, because the problem domain fits Erlang like a glove. Erlang is a functional concurrency-oriented language with extremely low-weight user-space "processes", share-nothing message-passing semantics, built-in distribution, and a "crash and recover" philosophy proven by two decades of deployment on large soft-realtime production systems.

erlang用在大规模用户使用的服务器端还是挺有前途的...

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chenjinlai
2008-05-15

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