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https://issues.apache.org/jira/browse/HIVE-23754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17637496#comment-17637496
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Dmitriy Fingerman commented on HIVE-23754:
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Hi [~abstractdog], thanks for approving and merging!
I added this change to Tez as you suggested.
[https://github.com/apache/tez/pull/249]
Can you please review it too?
> LLAP: Add LoggingHandler in ShuffleHandler pipeline for better debuggability
> ----------------------------------------------------------------------------
>
> Key: HIVE-23754
> URL: https://issues.apache.org/jira/browse/HIVE-23754
> Project: Hive
> Issue Type: Improvement
> Environment:
>
> Reporter: Rajesh Balamohan
> Assignee: Dmitriy Fingerman
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0-alpha-2
>
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> [https://github.com/apache/hive/blob/master/llap-server/src/java/org/apache/hadoop/hive/llap/shufflehandler/ShuffleHandler.java#L616]
>
> For corner case debugging, it would be helpful to understand when netty
> processed OPEN/BOUND/CLOSE/RECEIVED/CONNECTED events along with payload
> details.
> Adding "LoggingHandler" in ChannelPipeline mode can help in debugging.
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