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Posted to yarn-issues@hadoop.apache.org by "Tao Yang (JIRA)" <ji...@apache.org> on 2019/05/20 12:49:00 UTC
[jira] [Created] (YARN-9567) Add diagnostics for outstanding
resource requests on app attempts page
Tao Yang created YARN-9567:
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Summary: Add diagnostics for outstanding resource requests on app attempts page
Key: YARN-9567
URL: https://issues.apache.org/jira/browse/YARN-9567
Project: Hadoop YARN
Issue Type: Sub-task
Components: capacityscheduler
Reporter: Tao Yang
Assignee: Tao Yang
Attachments: no_diagnostic_at_first.png, show_diagnostics_after_requesting_app_activities_REST_API.png
Currently on app attempt page we can see outstanding resource requests, it will be helpful for users to know why if we can join diagnostics of this app with these.
Discussed with [~cheersyang], we can passively load diagnostics from cache of completed app activities instead of actively triggering which may bring uncontrollable risk.
For example:
(1) At first we can see no diagnostic in cache if app activities not triggered below the outstanding requests.
!no_diagnostic_at_first.png!
(2) After requesting the application activities REST API, we can see diagnostics now.
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