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  1. Core Server
  2. SERVER-47681

Background validation uses the kNoOverlap read source instead of kAllDurableSnapshot to prevent us from having to take the PBWM lock on secondaries

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Details

    • Bug
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • 4.8.0, 4.4.2
    • Storage
    • None
    • Fully Compatible
    • v4.4
    • Execution Team 2020-05-04, Execution Team 2020-07-13, Execution Team 2020-07-27, Execution Team 2020-08-24, Execution Team 2020-10-05
    • 37

    Description

      If the PBWM lock is held during the entire background collection validation, then on secondaries it could stall replication, which is undesirable. After opening all of the collection and index cursors, we can release the PBWM lock.

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              milkie@mongodb.com Eric Milkie
              gregory.wlodarek@mongodb.com Gregory Wlodarek
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                Created:
                Updated:
                Resolved: