MongoDB auto-sharding

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下面主要是学习mongodb auto-sharding需要看的一些文档，我会继续在这里更新好的auto-sharding文章！

1）Sharding Introduction
http://www.mongodb.org/display/DOCS/Sharding+Introduction

2）Choosing a Shard Key
http://www.mongodb.org/display/DOCS/Choosing+a+Shard+Key

3）Configuring Sharding
http://www.mongodb.org/display/DOCS/Configuring+Sharding

4）Sharding Administration
http://www.mongodb.org/display/DOCS/Sharding+Administration

5）Q&A
5.1）Meaning of db.printShardingStatus()

{t, i are just part of the version number. You can think of t as
the major number, i as the minor number. t gets incremented for
migrates (i goes to 0), i gets incremented for splits.}

http://groups.google.com/group/mongodb-user/browse_thread/thread/a553d658a5fbe726/a142a655df90b92a?show_docid=a142a655df90b92a

5.2）Meaning of serverStatus
http://www.mongodb.org/display/DOCS/serverStatus

6）Pros and Cons

MongoDB Pre-Splitting for Faster Data Loading and Importing

http://blog.zawodny.com/2011/03/06/mongodb-pre-splitting-for-faster-data-loading-and-importing/