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  1. Core Server
  2. SERVER-33455

Make the chunk move/split/merge methods update the chunk's history

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Details

    • Icon: Task Task
    • Resolution: Fixed
    • Icon: Major - P3 Major - P3
    • 3.7.3
    • None
    • Sharding
    • None
    • Fully Compatible
    • Sharding 2018-03-12, Sharding 2018-03-26

    Description

      As part of this change we should modify the _configsvrCommitChunkMigration,
      _configsvrCommitChunkSplit,
      _configsvrCommitChunkMerge commands to include a timestamp at which the migration is considered prepared (this should be the latest in-memory clusterTime on the donor shard, as obtained through LogicalClock::get(opCtx)->getClusterTime()). The config server commands should thread-through this timestamp down to the catalog manager chunk operations, which is what should maintain the history array and perform cleanups if necessary.

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            martin.neupauer@mongodb.com Martin Neupauer
            kaloian.manassiev@mongodb.com Kaloian Manassiev
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              Created:
              Updated:
              Resolved: