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  1. Core Server
  2. SERVER-28206

Recoverable Rollback: Support rolling back of dropCollection oplog entries using collection UUIDs.

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    • Task
    • Status: Closed
    • Major - P3
    • Resolution: Duplicate
    • None
    • None
    • Replication
    • None
    • Fully Compatible

    Description

      The existing rollback implementation in 3.4 requires the entire collection to be copied from the sync source when rolling back a dropCollections command. With the introduction of Collection UUIDs in 3.6 and 2-phase drops in 3.6, this should no longer be necessary. We can recover the dropped collection by fixing up the Namespace to UUID links in the collection catalog.

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              backlog-server-repl Backlog - Replication Team
              benety.goh@mongodb.com Benety Goh
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