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From "David Yan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (APEXCORE-585) Latency should be calculated only after the first window has been complete
Date Fri, 02 Dec 2016 23:48:58 GMT
David Yan created APEXCORE-585:
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             Summary: Latency should be calculated only after the first window has been complete
                 Key: APEXCORE-585
                 URL: https://issues.apache.org/jira/browse/APEXCORE-585
             Project: Apache Apex Core
          Issue Type: Bug
            Reporter: David Yan
            Assignee: David Yan


>From the latency unit test, it tries to calculate the latency by looking at the difference
between current window id and upstream's current window id when the end window stats is not
available. But when the current window id is 0 (first window has not been complete), it would
return some wacky latency value because the current window id is 0.

This would not be an issue if the window id was not a simple sequence.



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