Most MMOGs separate their players onto multiple servers in order to scale; these servers are often called shards. The shards are essentially instances of the game world and the player base is thus broken into segments, based on which shard (server)
全面的uWSGI的学习文档，可惜是英文版的。对uWSGI有部分疑问是，可以参考。如果专业英语强，值得认真阅读Contents
1 Included components(updated to latest stable release
2 Quickstarts
2. 1 Quickstart for Python/WSGI applications
2.2 Quickstart for perl/PSGI applications
2.3 Quickstart for ruby/Rack ap
