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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