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  1. Core Server
  2. SERVER-44451

mongos retry logic doesn't match driver's spec

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    Details

    • Type: Task
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 4.3.3
    • Component/s: Sharding
    • Backwards Compatibility:
      Fully Compatible
    • Sprint:
      Sharding 2019-12-16, Sharding 2019-12-30

      Description

      SERVER-42908 added the RetriableError category but that included WriteConcernFailed error (until SERVER-41245) which is not in the driver's spec. Unlike driver's retryable write spec, mongos seems to always retry on WriteConcernFailed error (e.g. this unittest).

      This ticket is to investigate whether mongos should retry on WriteConcernFailed error and finish this TODO.

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                Updated:
                Resolved: