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From "Andrew Sherman (JIRA)" <>
Subject [jira] [Updated] (HIVE-19971) TestRuntimeStats.testCleanup() is flaky
Date Tue, 26 Jun 2018 20:08:00 GMT


Andrew Sherman updated HIVE-19971:
    Attachment: HIVE-19971.3.patch

> TestRuntimeStats.testCleanup() is flaky
> ---------------------------------------
>                 Key: HIVE-19971
>                 URL:
>             Project: Hive
>          Issue Type: Task
>            Reporter: Andrew Sherman
>            Assignee: Andrew Sherman
>            Priority: Major
>         Attachments: HIVE-19971.1.patch, HIVE-19971.2.patch, HIVE-19971.3.patch
> This test is timing dependent and sometimes fails. [You can see that it sometimes fails
in otherwise clean runs|].  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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