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https://issues.apache.org/jira/browse/FLINK-19044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17229766#comment-17229766
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Robert Metzger commented on FLINK-19044:
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Is this a problem of the REST API, or is the UI mixing up the data?
> Web UI reports incorrect timeline for the FINISHED state of a subtask
> ---------------------------------------------------------------------
>
> Key: FLINK-19044
> URL: https://issues.apache.org/jira/browse/FLINK-19044
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Web Frontend
> Affects Versions: 1.12.0
> Reporter: Caizhi Weng
> Priority: Major
> Fix For: 1.12.0
>
> Attachments: timeline.jpg
>
>
> The timeline for the FINISHED state of a subtask is incorrect. The starting
> time of the FINISHED state is larger than its ending time. See the image
> below:
> !timeline.jpg!
> I discover this bug when running the TPCDS benchmark, but I think it can be
> reproduced by arbitrary tasks.
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