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  1. Core Server
  2. SERVER-16432

Chunk migration data structures not properly synchronized with storage engines that offer document-level locking

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    • Type: Icon: Bug Bug
    • Resolution: Done
    • Priority: Icon: Blocker - P1 Blocker - P1
    • 2.8.0-rc4
    • Affects Version/s: 2.8.0-rc2
    • Component/s: Sharding
    • None
    • Fully Compatible
    • ALL

      The migrateFromStatus data structure is largely synchronized by the lock on the collection containing the chunk that is currently migrating. This implementation assumes that modifications of a collection exclusively lock that collection, which is no longer the case for document-level locking storage engines.

            Assignee:
            randolph@mongodb.com Randolph Tan
            Reporter:
            schwerin@mongodb.com Andy Schwerin
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              Created:
              Updated:
              Resolved: