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  1. Hadoop YARN
  2. YARN-4593

Deadlock in AbstractService.getConfig()

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Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 2.7.2
    • 2.9.0, 3.0.0-alpha1
    • yarn
    • None

    • AM restarting on kerberized cluster

    Description

      SLIDER-1052 has found a deadlock which can arise in it during AM restart. Looking at the thread trace, one of the blockages is actually AbstractService.getConfig() —this is synchronized and so blocked.

      Attachments

        1. YARN-4593-001.patch
          0.6 kB
          Steve Loughran

        Issue Links

          is related to

          Bug - A problem which impairs or prevents the functions of the product. YARN-9712 ResourceManager goes into a deadlock while transitioning to standby

          • Major - Major loss of function.
          • Resolved
          relates to

          Bug - A problem which impairs or prevents the functions of the product. SLIDER-1052 Deadlock in slider AM

          • Critical - Crashes, loss of data, severe memory leak.
          • Open

          Activity

            People

              stevel@apache.org Steve Loughran
              stevel@apache.org Steve Loughran
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              Dates

                Created:
                Updated:
                Resolved: