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https://issues.apache.org/jira/browse/FLINK-3160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15143547#comment-15143547
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ASF GitHub Bot commented on FLINK-3160:
---------------------------------------

Github user greghogan commented on the pull request:

    https://github.com/apache/flink/pull/1564#issuecomment-183066952
  
    @uce I rebased, made the noted changes, and updated the pull request.


> 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
>            Assignee: 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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