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https://issues.apache.org/jira/browse/YARN-10421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18043926#comment-18043926
 ] 

ASF GitHub Bot commented on YARN-10421:
---------------------------------------

hadoop-yetus commented on PR #8124:
URL: https://github.com/apache/hadoop/pull/8124#issuecomment-3633612197

   :broken_heart: **-1 overall**
   
   
   
   
   
   
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[/patch-compile-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server-jdkUbuntu-17.0.15+6-Ubuntu-0ubuntu120.04.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8124/1/artifact/out/patch-compile-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server-jdkUbuntu-17.0.15+6-Ubuntu-0ubuntu120.04.txt)
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[/patch-mvnsite-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8124/1/artifact/out/patch-mvnsite-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt)
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> Create YarnDiagnosticsService to serve diagnostic queries 
> ----------------------------------------------------------
>
>                 Key: YARN-10421
>                 URL: https://issues.apache.org/jira/browse/YARN-10421
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Benjamin Teke
>            Assignee: chhinlinghean
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: YARN-10421.001.patch, YARN-10421.002.patch, 
> YARN-10421.003.patch, YARN-10421.004.patch
>
>
> YarnDiagnosticsServlet should run inside ResourceManager Daemon. The servlet 
> forks a separate process, which executes a shell/Python/etc script. Based on 
> the use-cases listed below the script collects information, bundles it and 
> sends it to UI2. The diagnostic options are the following:
>  # Application hanging: 
>  ** Application logs
>  ** Find the hanging container and get multiple Jstacks
>  ** ResourceManager logs during job lifecycle
>  ** NodeManager logs from NodeManager where the hanging containers of the 
> jobs ran
>  ** Job configuration from MapReduce HistoryServer, Spark HistoryServer, Tez 
> History URL
>  # Application failed: 
>  ** Application logs
>  ** ResourceManager logs during job lifecycle.
>  ** NodeManager logs from NodeManager where the hanging containers of the 
> jobs ran
>  ** Job Configuration from MapReduce HistoryServer, Spark HistoryServer, Tez 
> History URL.
>  ** Job related metrics like container, attempts.
>  # Scheduler related issue:
>  ** ResourceManager Scheduler logs with DEBUG enabled for 2 minutes.
>  ** Multiple Jstacks of ResourceManager
>  ** YARN and Scheduler Configuration
>  ** Cluster Scheduler API _/ws/v1/cluster/scheduler_ and Cluster Nodes API 
> _/ws/v1/cluster/nodes response_
>  ** Scheduler Activities _/ws/v1/cluster/scheduler/bulkactivities_ response 
> (YARN-10319)
>  # ResourceManager / NodeManager daemon fails to start:
>  ** ResourceManager and NodeManager out and log file
>  ** YARN and Scheduler Configuration
> Two new endpoints should be added to the RM web service: one for listing the 
> available diagnostic options (_/common-issue/list_), and one for calling a 
> selected option with the user provided parameters (_/common-issue/collect_).



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