发布于 2015-09-14 15:03:56 | 248 次阅读 | 评论: 1 | 来源: 网络整理
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Splits the chunk containing the document specified by the query at its median point, creating two roughly equal chunks. Use sh.splitAt() to split a collection in a specific point.
In most circumstances, you should leave chunk splitting to the automated processes. However, when initially deploying a sharded cluster it is necessary to perform some measure of pre-splitting using manual methods including sh.splitFind().