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https://issues.apache.org/jira/browse/FLINK-29660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17624818#comment-17624818
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Zhu Zhu commented on FLINK-29660:
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In the exception history, it already shows all the root exceptions and the
concurrent exceptions. You can also check any concurrent exception by filtering
the task name if you think the displayed root cause is not the true root.
Showing all attempts on the vertex tab may result in performance problem
because there can be too many attempts to be retrieved and shown at one time,
given that tasks may failover multiple times. At the moment, the tab can be
slower and harder to navigate if the parallelism is large and I prefer not to
add much extra burden to it.
Maybe a better way is to show the task manager id on the exception history
page, and a link o the task manager id to jump to the task manager page.
> Show all attempts of subtasks in WebUI
> --------------------------------------
>
> Key: FLINK-29660
> URL: https://issues.apache.org/jira/browse/FLINK-29660
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Web Frontend
> Reporter: LI Mingkun
> Priority: Major
>
> Web UI only show subtask metric and TM log now.
> For batch jobs, It's very important to track the metric of fail attempt and
> jump into log stream of every attemp.
>
> Feature needed: enable expanded rows of all attempts for subtasks
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