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  1. Core Server
  2. SERVER-54939

Investigate secondary batching behavior in v4.4

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Details

    • Question
    • Status: Closed
    • Major - P3
    • Resolution: Done
    • None
    • None
    • Replication
    • None
    • v5.0
    • Repl 2021-03-22, Repl 2021-04-05, Repl 2022-03-21, Repl 2022-04-04, Repl 2022-04-18, Repl 2022-05-02, Repl 2022-05-16, Repl 2022-05-30, Repl 2022-06-13, Repl 2022-06-27

    Description

      SERVER-53667 reported that 4.4 secondaries were seen to be applying oplogs in a much larger number of batches than seen in 4.2. We should see whether there was a regression in batch behavior from 4.2 to 4.4.

      Attachments

        1. majority writes v4.4.png
          majority writes v4.4.png
          71 kB
        2. oplogFetcherUsesExhaust=false.png
          oplogFetcherUsesExhaust=false.png
          94 kB
        3. v4.2.png
          v4.2.png
          97 kB
        4. v4.4.png
          v4.4.png
          97 kB
        5. w-majority-8-threads.png
          w-majority-8-threads.png
          100 kB

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              matthew.russotto@mongodb.com Matthew Russotto
              jason.chan@mongodb.com Jason Chan
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              Dates

                Created:
                Updated:
                Resolved: