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  1. Core Server
  2. SERVER-27613

Remove unused 'chunkVersion' field sent in splitChunk command

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Fixed
    • Affects Version/s: 3.5.1
    • Fix Version/s: 3.4.2, 3.5.2
    • Component/s: Sharding
    • Labels:
      None
    • Backwards Compatibility:
      Fully Compatible
    • Backport Requested:
      v3.4
    • Sprint:
      Sharding 2017-01-02

      Description

      SERVER-27510 made splitChunk stop using the ChunkVersion sent in the 'chunkVersion' field of the command. This field should therefore stop being sent, since it's no longer used.

      Note: splitChunk also has another ChunkVersion field, 'shardVersion', from which the epoch is extracted for comparison to ensure the collection hasn't been dropped and re-created. See here.

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                • Created:
                  Updated:
                  Resolved: