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https://issues.apache.org/jira/browse/HCATALOG-68?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13226628#comment-13226628
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Thomas Weise commented on HCATALOG-68:
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We should use slf4j, it will solve most if not all of these issues and is
already bundled with Hadoop.
Specifically for above: http://www.slf4j.org/faq.html#logging_performance
> Logging from HCat
> -----------------
>
> Key: HCATALOG-68
> URL: https://issues.apache.org/jira/browse/HCATALOG-68
> Project: HCatalog
> Issue Type: Improvement
> Reporter: Sushanth Sowmyan
>
> We need to do the following things:
> + Use log4j across the board
> + Introduce a class with methods to help logging, refactoring away the
> bunch of these functions in HCatUtil right now
> + Instrument debug logging with isLogEnabled checks on the log level
> + remove all instances of commented code whose purpose was for debug logs
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