[jira] [Commented] (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:comment-tabpanel&focusedCommentId=15379478#comment-15379478 ] 

Sreenath Somarajapuram commented on TEZ-3345:
---------------------------------------------

Hi [~kshukla]
- Please share the exact version of Tez that you are using.
- FYI: For Tez we use timeline server (ATS) and not AHS. And the UI in version 0.7.1 of Tez does display the diagnostics information.

PS: Feel free to tryout the latest UI. Tez is currently at 0.9.0. If interested this read-me must help you : https://github.com/apache/tez/blob/master/tez-ui/README.md

> 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: Bug
>          Components: UI
>            Reporter: Kuhu Shukla
>         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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