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Posted to dev@hive.apache.org by "Andrew Sherman (JIRA)" <ji...@apache.org> on 2018/06/22 20:16:00 UTC

[jira] [Created] (HIVE-19971) TestRuntimeStats.testCleanup() is flaky

Andrew Sherman created HIVE-19971:
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             Summary: TestRuntimeStats.testCleanup() is flaky
                 Key: HIVE-19971
                 URL: https://issues.apache.org/jira/browse/HIVE-19971
             Project: Hive
          Issue Type: Task
            Reporter: Andrew Sherman
            Assignee: Andrew Sherman


This test is timing dependent and sometimes fails. [You can see that it sometimes fails in otherwise clean runs|https://issues.apache.org/jira/issues/?jql=text%20~%20%22TestRuntimeStats%22].  The test inserts a stat, sleeps for 2 seconds, inserts another stat, then deletes stats that are older than 1 second. The test asserts that exactly one stat is deleted. If the deletion is slow for some reason (perhaps a GC?) then 2 stats will be deleted and the test will fail. The trouble is that the 1 second window is too small to work consistently.



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