Uploaded image for project: 'Apache Tez'
  1. Apache Tez
  2. TEZ-2644

UnorderedKVOutputWriter has unnecessary synchronized blocks

    XMLWordPrintableJSON

Details

    • Bug
    • Status: Open
    • Major
    • Resolution: Unresolved
    • 0.8.0-alpha, 0.7.1
    • None
    • None

    Description

      Nearly 50% of the CPU samples for Unordered 1-1 edges are either in ByteArrayOutputStream or DataOutputStream synchronization primitives.

      Attachments

        1. dataoutputstream-sync.png
          16 kB
          Gopal Vijayaraghavan
        2. flink-1-1-edge.png
          17 kB
          Gopal Vijayaraghavan

        Activity

          People

            Unassigned Unassigned
            gopalv Gopal Vijayaraghavan
            Votes:
            0 Vote for this issue
            Watchers:
            3 Start watching this issue

            Dates

              Created:
              Updated: