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  1. IMPALA
  2. IMPALA-6851

custom cluster test TestGrantRevoke::test_role_update doesn't clean up restarted impala daemons correctly

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Duplicate
    • Affects Version/s: Impala 2.12.0
    • Fix Version/s: Impala 3.0
    • Component/s: Infrastructure
    • Labels:
      None
    • Epic Color:
      ghx-label-9

      Description

      In TestGrantRevoke::test_role_update, one of the impala daemons is restarted. When the test finishes, it doesn't kill or wait for the restarted process. There are several problems of not doing so:

      • When another custom cluster test attempts to kill the impala daemon, the impala daemon will become a zombie process. The PID won't go away until the py tests process exits. start-impala-cluster.py doesn't handle this case correctly and will time out. Fortunately, test_role_update is always the last test in custom cluster tests, so it doesn't break builds for now.
      • It leaks PID and process information in the kernel as long as the py test process is running.

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              • Assignee:
                tianyiwang Tianyi Wang
                Reporter:
                tianyiwang Tianyi Wang
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                • Created:
                  Updated:
                  Resolved: