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Posted to issues@tez.apache.org by "Siddharth Seth (JIRA)" <ji...@apache.org> on 2016/03/10 22:36:40 UTC

[jira] [Commented] (TEZ-3162) Add a mechanism for tasks to provide some diagnostics information even on success

    [ https://issues.apache.org/jira/browse/TEZ-3162?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15189977#comment-15189977 ] 

Siddharth Seth commented on TEZ-3162:
-------------------------------------

As an example, a structured log of what happened during task execution. In case of Hive - vectorization disabled because of X, moved from one join to another, etc. Essentially runtime decisions.

The intent is to allow for easier testing / debugging or a job.

> Add a mechanism for tasks to provide some diagnostics information even on success
> ---------------------------------------------------------------------------------
>
>                 Key: TEZ-3162
>                 URL: https://issues.apache.org/jira/browse/TEZ-3162
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Siddharth Seth
>
> This could be aggregated and written to a separate file, or to ATS.
> cc [~hitesh]



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