Description

A common (recommended) practice we (TS) tells customers to avoid performance issues related to chunk migrations is to pre-split newly created collections.  You can specify numInitialChunks but this option only applies to collections using a hashed shard key.  We have no examples of how this can be achieved for range-bases shard keys.

3rd party example here: http://juanroy.es/what-is-the-mongodb-pre-splitting/

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