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  1. Hive
  2. HIVE-27695

Intermittent OOM when running TestMiniTezCliDriver

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 4.0.0-beta-1
    • 4.0.0
    • Test

    Description

      Running all the tests under TestMiniTezCliDriver very frequently (but still intermittently) leads to OutOfMemory errors.

      cd itests/qtest && mvn test -Dtest=TestMiniTezCliDriver
      

      I set -XX:+HeapDumpOnOutOfMemoryError and the respective heapdumps are attached to this ticket.

      The OOM is thrown from the application master and a quick inspection of the dumps shows that it comes mainly from the accumulation of Configuration objects (~1MB each) by various classes.

      The max heap size for application master is pretty low (~100MB) so it is quite easy to reach. The heap size is explicitly very low for testing purposes but maybe we should re-evaluate the current configurations for the tests.

      Attachments

        1. leak_suspect_1.png
          186 kB
          Stamatis Zampetakis
        2. dag_am_debug_bundles.tar.xz
          17.36 MB
          Stamatis Zampetakis
        3. am_heap_dumps.tar.xz
          36.43 MB
          Stamatis Zampetakis

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              zabetak Stamatis Zampetakis
              zabetak Stamatis Zampetakis
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                Updated:
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