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https://issues.apache.org/jira/browse/HIVE-13262?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15190622#comment-15190622
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Prasanth Jayachandran commented on HIVE-13262:
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[~sershe] This patch adds logger with names for different logical pieces in
LlapIo. Also removes some unused methods and classes. I have added
parameterized logging all over and guarded some places with isXXXEnabled where
I thought the log line will be expensive. I am not sure if some lines should go
to info/debug/trace level. Can you please comment on RB if you think some lines
should be logged at different level instead?
> LLAP: Remove log levels from DebugUtils
> ---------------------------------------
>
> Key: HIVE-13262
> URL: https://issues.apache.org/jira/browse/HIVE-13262
> Project: Hive
> Issue Type: Bug
> Affects Versions: 2.1.0
> Reporter: Prasanth Jayachandran
> Assignee: Prasanth Jayachandran
> Attachments: HIVE-13262.1.patch
>
>
> DebugUtils has many hardcoded log levels. To enable logging we need to
> recompile code with desired value. Instead configure add loggers for these
> classes with log levels via log4j properties. Also use parametrized logging
> in IO elevator.
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