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  1. Core Server
  2. SERVER-21155

Only parse oplog entries once during replication (apply phase)

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    • Type: Icon: Improvement Improvement
    • Resolution: Done
    • Priority: Icon: Major - P3 Major - P3
    • 3.2.0-rc3
    • Affects Version/s: None
    • Component/s: Replication
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    • Fully Compatible
    • Repl B (10/30/15), Repl C (11/20/15)
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      Once the oplog entries are fetches from the upstream source the same fields, "ns", "op", "ts" and others are repeatedly read from the same entry causing lots of extra parsing/work.

      One possible solution is to create a simple struct to wrap the BSONObj which caches the well-known fields:

      • ts
      • ns
      • op
      • o (optional)
      • o2 (optional)
      • o/o2._id (optional)

            Assignee:
            scotthernandez Scott Hernandez (Inactive)
            Reporter:
            scotthernandez Scott Hernandez (Inactive)
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              Created:
              Updated:
              Resolved: