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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