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  1. Ratis
  2. RATIS-1396

Reduce lock contention in RaftServerImpl::replyPendingRequest

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Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 2.2.0
    • server
    • None

    Description

      https://github.com/apache/incubator-ratis/blob/master/ratis-server/src/main/java/org/apache/ratis/server/impl/RaftServerImpl.java#L1341

      Can be easily refactored to acquire the lock only for leader, to reduce the lock contention.

      Observed this in terasort.

      Attachments

        1. image-2020-06-23-11-57-19-791.png
          254 kB
          Rajesh Balamohan

        Issue Links

          links to

          Web Link GitHub Pull Request #494

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              szetszwo Tsz-wo Sze
              rajesh.balamohan Rajesh Balamohan
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