[jira] [Created] (FLINK-14138) Show Pending Slots in Job Detail

[Shang Yuanchun (Jira)]

Yadong Xie created FLINK-14138:
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             Summary: Show Pending Slots in Job Detail
                 Key: FLINK-14138
                 URL: https://issues.apache.org/jira/browse/FLINK-14138
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Web Frontend
            Reporter: Yadong Xie
         Attachments: 屏幕快照 2019-09-20 下午12.04.00.png, 屏幕快照 2019-09-20 下午12.04.05.png

It is hard to troubleshoot when all subtasks are always on the SCHEDULED status(just like the screenshot below) when users submit a job.

!屏幕快照 2019-09-20 下午12.04.00.png|width=494,height=258!

The most common reason for this problem is that vertex has applied for more resources than the cluster has. A pending slots tab could help users to check which vertex or subtask is blocked.

!屏幕快照 2019-09-20 下午12.04.05.png|width=576,height=163!

 

REST API needed:

add /jobs/:jobid/pending-slots API to get pending slots data.



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