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  1. Core Server
  2. SERVER-4583

Would like to have a command for priming index by a sequential read of the index data instead of a B-tree traverse.

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    • Improvement
    • Status: Closed
    • Major - P3
    • Resolution: Duplicate
    • None
    • None
    • Performance
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    Description

      Currently in order to prime an index of a collection, we have to do a special query to force mongo go thru the entire BTree for the index. This trick is extremely inefficient for a large index tree (over 10 millions entries). Would like to have a command (please make it available in C++ driver) to prime collection data – either index or data or both, by simply doing a sequential read of the data extents for the collection.

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              mediamath MediaMath Mongo
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