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Posted to issues@tez.apache.org by "Bikas Saha (JIRA)" <ji...@apache.org> on 2014/09/26 23:05:36 UTC

[jira] [Commented] (TEZ-1626) Tez : Generate per dag logs

    [ https://issues.apache.org/jira/browse/TEZ-1626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14149969#comment-14149969 ] 

Bikas Saha commented on TEZ-1626:
---------------------------------

Separate logs are generated at the AM per DAG and named syslog_dag_xyz.
These separate per dag logs are available from the YARN web UI for download from the logs link on the AM page.


> Tez : Generate per dag logs
> ---------------------------
>
>                 Key: TEZ-1626
>                 URL: https://issues.apache.org/jira/browse/TEZ-1626
>             Project: Apache Tez
>          Issue Type: Bug
>    Affects Versions: 0.5.0
>            Reporter: Mostafa Mokhtar
>              Labels: tez
>             Fix For: 0.6.0
>
>
> When a user submits multiple Hive queries using the same connection (ApplicationId) the logs are not generated for the Dags that completed, as a result the user needs to wait till all queries complete.
> This behavior makes it very difficult to isolate failures per query as a single log file will have results from multiple queries.



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