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Posted to dev@oozie.apache.org by "Mona Chitnis (JIRA)" <ji...@apache.org> on 2013/06/06 21:52:19 UTC

[jira] [Commented] (OOZIE-1254) Use NDC or MDC for logging

    [ https://issues.apache.org/jira/browse/OOZIE-1254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13677423#comment-13677423 ] 

Mona Chitnis commented on OOZIE-1254:
-------------------------------------

https://github.com/yahoo/oozie/issues/318
                
> Use NDC or MDC for logging
> --------------------------
>
>                 Key: OOZIE-1254
>                 URL: https://issues.apache.org/jira/browse/OOZIE-1254
>             Project: Oozie
>          Issue Type: Improvement
>            Reporter: Rohini Palaniswamy
>
>  Because of the XLog prefix design to log USER[-] GROUP[-] TOKEN[-] APP[-] JOB[-] ACTION[-], issues like OOZIE-1251 crop up when some one declares XLog unintentionally as a static class variable. Even if non-static variable, it might have issues if multiple threads access the same object. Also it is inefficient as we have to create a XLog object for each instance instead of making it static.
>   NDC and MDC in log4j have been designed for this specific purpose. We should be using one of them. 

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