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https://issues.apache.org/jira/browse/FLINK-3160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15062208#comment-15062208
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Greg Hogan commented on FLINK-3160:
-----------------------------------
Currently when clicking a JobVertex the table expands to display a row per
task, which could number in the thousands. I think it would be more useful to,
when clicking a JobVertex, display a row per TaskManager. One might then click
the TaskManager to reveal those individual tasks.
> Aggregate operator statistics by TaskManager
> --------------------------------------------
>
> Key: FLINK-3160
> URL: https://issues.apache.org/jira/browse/FLINK-3160
> Project: Flink
> Issue Type: Improvement
> Components: Webfrontend
> Affects Versions: 1.0.0
> Reporter: Greg Hogan
>
> The web client job info page presents a table of the following per task
> statistics: start time, end time, duration, bytes received, records received,
> bytes sent, records sent, attempt, host, status.
> Flink supports clusters with thousands of slots and a job setting a high
> parallelism renders this job info page unwieldy and difficult to analyze in
> real-time.
> It would be helpful to optionally or automatically aggregate statistics by
> TaskManager. These rows could then be expanded to reveal the current per task
> statistics.
> Start time, end time, duration, and attempt are not applicable to a
> TaskManager since new tasks for repeated attempts may be started. Bytes
> received, records received, bytes sent, and records sent are summed. Any
> throughput metrics can be averaged over the total task time or time window.
> Status could reference the number of running tasks on the TaskManager or an
> idle state.
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