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https://issues.apache.org/jira/browse/MAPREDUCE-7127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18047734#comment-18047734
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ASF GitHub Bot commented on MAPREDUCE-7127:
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github-actions[bot] commented on PR #407:
URL: https://github.com/apache/hadoop/pull/407#issuecomment-3693512806
We're closing this stale PR because it has been open for 100 days with no
activity. This isn't a judgement on the merit of the PR in any way. It's just a
way of keeping the PR queue manageable.
If you feel like this was a mistake, or you would like to continue working
on it, please feel free to re-open it and ask for a committer to remove the
stale tag and review again.
Thanks all for your contribution.
> Add aggregated webservice endpoint to fetch all tasks including their attempts
> ------------------------------------------------------------------------------
>
> Key: MAPREDUCE-7127
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7127
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Reporter: Brandon Scheller
> Priority: Major
> Labels: webservices
>
> We have a usecase where we would like to poll Hadoop for various running
> Tasks and display info on each individual task attempt to the user.
> On large clusters with many tasks, this is an issue because using the current
> webservice APIs we would have to make many repeat calls to the same task
> attempts endpoints.
> To improve performance, we have added additional endpoints to HS and AM
> webservices that will fetch aggregated data on hadoop tasks including their
> task attempts for a job.
> This would look like
> - taskDescriptions webservice endpoint to AMWebServices
> @Path("/jobs/ \{jobid}/taskDescriptions")
>
> - describeTasks webservice endpoint to HSWebServices
> @Path("/mapreduce/jobs/\{jobid}/describeTasks")
> It would be similar to the current getJobTasks() in HS and AM webservices
> except it would include each of the task attempts for each task.
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