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  1. Core Server
  2. SERVER-53026

Secondary cannot restart replication

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Details

    • Bug
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • 4.0.22, 3.6.22, 4.2.12, 4.4.4
    • Replication
    • None
    • Fully Compatible
    • ALL
    • v4.4, v4.2, v4.0
    • Repl 2020-11-30, Repl 2020-12-14
    • 0

    Description

      After SERVER-33747, initial_sync_document_validation.js times out on 3.6. The problem is that my SERVER-33747 change, ReplicationCoordinatorImpl::_startDataReplication exits early if it's ever been called before. The sequence _startDataReplication -> _stopDataReplication -> _startDataReplication therefore no longer actually restarts data replication.

      This shows up in initial_sync_document_validation.js because this test calls the "resync" command. The "resync" command was removed after 3.6 (SERVER-31239) leaving ReplicationCoordinatorImpl::resyncData with one caller, replSetSyncFrom, the method was completely removed after 4.4 (SERVER-46831).

      Does the replSetSyncFrom command suffer the same deadlock? In all versions?

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              jesse@mongodb.com A. Jesse Jiryu Davis
              jesse@mongodb.com A. Jesse Jiryu Davis
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                Updated:
                Resolved: