Check that all chunks have a proper 'history' array

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    • Catalog and Routing
    • Fully Compatible
    • v8.0, v7.0
    • CAR Team 2025-07-21
    • 1
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      SERVER-62065 was a bug that caused chunks to have an empty 'history' array. SERVER-62065 also states that some old backup/restore procedures could have omitted restoring the 'history' array as well. Missing the 'history' causes transactions/snapshotReads to fail. As a result of this, the repairShardedCollectionChunksHistory was introduced.

      It would be good to add a check to checkMetadataConsistency to ensure that clusters don't have a missing 'history' anymore.

            Assignee:
            Pierlauro Sciarelli
            Reporter:
            Jordi Serra Torrens
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              Created:
              Updated:
              Resolved: