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https://issues.apache.org/jira/browse/MAPREDUCE-4650?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hemanth Yamijala updated MAPREDUCE-4650:
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Attachment: MAPREDUCE-4650.patch
Attaching a patch that roughly demonstrates how this will work. It doesn't have
tests etc and so is not complete. If it feels useful, I'll complete it.
> Provide an ability to show task counters for a given task type in Web UI
> ------------------------------------------------------------------------
>
> Key: MAPREDUCE-4650
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4650
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: webapps
> Reporter: Hemanth Yamijala
> Assignee: Hemanth Yamijala
> Attachments: MAPREDUCE-4650.patch
>
>
> In the Web UI for Hadoop (post YARN), there is a view that lists counter
> values per task for a given counter (singlejobcounter page). I found this
> very useful to get a consolidated view of a specific counter across all
> tasks, for e.g. in debugging slow tasks. We can navigate to this view by
> selecting the specific counter from the Job Counters page.
> This JIRA is to allow for the singlejobcounter page to be prepopulated only
> with map task values or reduce task values (if one were interested in only a
> particular type of task).
> I understand there is a 'search' option on the singlejobcounter page that can
> be used to accomplish the same purpose. However, seems a little more usable
> to provide a direct filter before getting on to the page.
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