Do not propagate commit point through heartbeats when FCV=4.0

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    • Type: Bug
    • Resolution: Fixed
    • Priority: Major - P3
    • 4.1.10
    • Affects Version/s: None
    • Component/s: Replication
    • None
    • Fully Compatible
    • ALL
    • Repl 2019-03-25
    • 17
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    • 3
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      In SERVER-39367, we started propagating the majority commit point through heartbeats. This causes sync source cycles in mixed 4.2/4.0 replica sets, since 4.0 nodes will sync from a node with the same lastApplied if it has a higher lastOpCommitted. We will not propagate the commit point through heartbeats unless FCV=4.2, so that there are no 4.0 nodes in the set.

            Assignee:
            Tess Avitabile (Inactive)
            Reporter:
            Tess Avitabile (Inactive)
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              Created:
              Updated:
              Resolved: