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https://issues.apache.org/jira/browse/FLINK-19548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17265902#comment-17265902
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Till Rohrmann commented on FLINK-19548:
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The problem I see with this is that currently only the {{ResourceManager}} can
talk to Yarn. But only the {{JobMaster}} knows about the progress of the job.
Hence, we would need to introduce new RPC calls which allow the {{JobMaster}}
to update the {{ResourceManager}} about the job progress. I am not sure whether
this complexity is justified by the gain.
> Report correct progress to yarn resource manager
> ------------------------------------------------
>
> Key: FLINK-19548
> URL: https://issues.apache.org/jira/browse/FLINK-19548
> Project: Flink
> Issue Type: Improvement
> Components: Deployment / YARN
> Affects Versions: 1.11.2
> Reporter: fa zheng
> Priority: Minor
> Fix For: 1.13.0
>
>
> Currently, we directly report 1 to yarn resource manager. It doesn't make
> sense for both stream and batch job. For a stream job, it's better to report
> 0, and for a batch job, it's better to report a meaningful progress. A simple
> way is calculating totalSubtask and currentFinishedSubTask in scheduler, and
> return (float)currentFinishedSubTask.get()/totalSubTask in
> YarnResourceManager.getProgress()
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