madvise(DONT_NEED) portions of oplog all slaves have synced

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    • Type: Improvement
    • Resolution: Duplicate
    • Priority: Minor - P4
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    • Affects Version/s: None
    • Component/s: Performance, Replication
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      Since we won't need that data again until after wrap-around there is no point in keeping it in the page cache.

      madvise(SEQUENTIAL) is probably a good idea for the whole oplog as well.

            Assignee:
            Mathias Stearn
            Reporter:
            Mathias Stearn
            Votes:
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              Created:
              Updated:
              Resolved: