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  1. Core Server
  2. SERVER-40333

Only clone collection options once for each shard on shard collection

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Fixed
    • Affects Version/s: 4.0.6, 4.1.9
    • Fix Version/s: 4.0.9, 4.1.10
    • Component/s: Sharding
    • Backwards Compatibility:
      Fully Compatible
    • Backport Requested:
      v4.0
    • Sprint:
      Sharding 2019-04-08
    • Case:

      Description

      In current sharding code, we make a request to clone a collection's options once for each chunk, regardless of number of shards. This generates duplicate work – we should only need to do this once for each unique shard.

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                Updated:
                Resolved: