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https://issues.apache.org/jira/browse/HUDI-233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17001940#comment-17001940
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lamber-ken commented on HUDI-233:
---------------------------------

hi [~vinoth], if you have time, can you explain in detail what problems you 
met? Because the external environment is complex, we need to reduce the 
external impact on the hudi jars, like guava, jackson, log4j ..etc they have 
different versions and may be not compatible. :)

> Redo log statements using SLF4J 
> --------------------------------
>
>                 Key: HUDI-233
>                 URL: https://issues.apache.org/jira/browse/HUDI-233
>             Project: Apache Hudi (incubating)
>          Issue Type: Bug
>          Components: newbie
>    Affects Versions: 0.5.0
>            Reporter: Vinoth Chandar
>            Assignee: leesf
>            Priority: Major
>             Fix For: 0.5.2
>
>
> Currently we are not employing variable substitution aggresively in the 
> project.  ala 
> {code:java}
> LogManager.getLogger(SomeName.class.getName()).info("Message: {}, Detail: 
> {}", message, detail);
> {code}
> This can improve performance since the string concatenation is deferrable to 
> when the logging is actually in effect.  



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