[jira] [Assigned] (TEZ-3345) Diagnostics for a failed AM may not show up on the DAG UI page.

["Sreenath Somarajapuram (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TEZ-3345?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sreenath Somarajapuram reassigned TEZ-3345:
-------------------------------------------

    Assignee: Sreenath Somarajapuram

> Diagnostics for a failed AM may not show up on the DAG UI page.
> ---------------------------------------------------------------
>
>                 Key: TEZ-3345
>                 URL: https://issues.apache.org/jira/browse/TEZ-3345
>             Project: Apache Tez
>          Issue Type: Improvement
>          Components: UI
>            Reporter: Kuhu Shukla
>            Assignee: Sreenath Somarajapuram
>         Attachments: DagPage_AMDiagnostics.png
>
>
> In a scenario where AM fails on all its attempts, the DAG page does not show the Diagnostics message on the Tez UI "Diagnostics" section. The messageis available on the AHS and could be pulled into the DAG page just like we do for failed vertices.
> I ran a simple Tez example job that was given way too less memory causing the AM to fail:
> {code}
> hadoop jar /home/gs/tez/current/tez-examples-0.7.1.x.x.jar orderedwordcount -Dtez.am.resource.memory.mb=16 -Dtez.am.launch.cmd-opts="-Xmx13m -Djava.net.preferIPv4Stack=true -XX:+UseNUMA -XX:+PrintGCDetails -XX:+PrintGCDateStamps -Xloggc:<LOG_DIR>/gc.log"/books /output
> {code}



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