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https://issues.apache.org/jira/browse/HIVE-16015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15879922#comment-15879922
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Siddharth Seth commented on HIVE-16015:
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I think we should commit now. The logging will depend on the version of Tez
used. If we're not committing - we should revert HIVE-15954.
Disabling logging from these classes is not a good option - makes debugging any
issue related to them difficult. I'd rather have extra logs instead of none.
For reference, the same logs show up in regular Tez jobs as well. They haven't
been noticed since the logs are on a per query basis, rather than giant log
files.
The TezMerger definitely needs fixing. It's more noisy when disk spills are
involved - which typically indicates a large query. For shorter queries, there
should not be that much noise.
> LLAP: some Tez INFO logs are too noisy II
> -----------------------------------------
>
> Key: HIVE-16015
> URL: https://issues.apache.org/jira/browse/HIVE-16015
> Project: Hive
> Issue Type: Bug
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Fix For: 2.2.0
>
> Attachments: HIVE-16015.01.patch, HIVE-16015.patch
>
>
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