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  1. Drivers
  2. DRIVERS-407

Drop support for MongoDB 2.4

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    Details

    • Type: Task
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Fixed
    • Component/s: None
    • Labels:
      None
    • SERVER fixVersion:
      3.6

      Description

      MongoDB 2.4 reached end of life in March of 2016, so drivers can remove support for it.

      A driver should bump its minimum supported wire version to 2, making 2.6 the minimum supported server version (For some reason, MongoDB 2.6 bumped maxWireVersion to 2 rather than 1. MongoDB 2.4 has no maxWireVersion, which implies a maxWireVersion of 0).

      Code that can be removed as a result of the min wire version bump:

      • Support for the legacy wire protocol for writes (OP_INSERT/UPDATE/DELETE) for acknowledged writes. If the driver already uses write commands for unacknowledged writes (async drivers like .NET or node), support for these wire protocol messages can be removed entirely.
      • Support for creating and dropping indexes in the system.indexes collection (NOTE: listIndexes was added in 3.0, must continue to support listing indexes via system.indexes in 2.6)
      • Support for user management via writes to and reads from system.users collection
      • Support for fallback to inline results for the aggregate command when cursor is requested

      Any conditional logic in tests that check for wire-version-less-than-2/server-version-less-than-2.6 can also be removed.

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              Assignee:
              Unassigned Unassigned
              Reporter:
              rathi.gnanasekaran Rathi Gnanasekaran
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