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From "Sahil Takiar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-13517) Hive logs in Spark Executor and Driver should show thread-id.
Date Fri, 24 Mar 2017 19:08:41 GMT

    [ https://issues.apache.org/jira/browse/HIVE-13517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15940961#comment-15940961
] 

Sahil Takiar commented on HIVE-13517:
-------------------------------------

Yes, they could just write their own log4j.properties file and specify it in {{hive.spark.log4j.file}}
- but I think having a log4j file with out-of-the-box support for thread-id in the logs would
improve usability.

> Hive logs in Spark Executor and Driver should show thread-id.
> -------------------------------------------------------------
>
>                 Key: HIVE-13517
>                 URL: https://issues.apache.org/jira/browse/HIVE-13517
>             Project: Hive
>          Issue Type: Bug
>          Components: Spark
>    Affects Versions: 1.2.1, 2.0.0
>            Reporter: Szehon Ho
>            Assignee: Sahil Takiar
>         Attachments: executor-driver-log.PNG, HIVE-13517.1.patch, HIVE-13517.2.patch
>
>
> In Spark, there might be more than one task running in one executor. Similarly, there
may be more than one thread running in Driver.
> This makes debugging through the logs a nightmare. It would be great if there could be
thread-ids in the logs.



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