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https://issues.apache.org/jira/browse/APEXCORE-585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15730305#comment-15730305
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ASF GitHub Bot commented on APEXCORE-585:
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Github user asfgit closed the pull request at:
https://github.com/apache/apex-core/pull/427
> 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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