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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6860) BlockStateChange logs are too noisy
Date Thu, 28 Aug 2014 20:39:09 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14114304#comment-14114304
] 

Andrew Wang commented on HDFS-6860:
-----------------------------------

Is this a good time to also switch BlockStateChange over to use slf4j and to use "{}" templates?
Then we could avoid the if-wrappers.

> BlockStateChange logs are too noisy
> -----------------------------------
>
>                 Key: HDFS-6860
>                 URL: https://issues.apache.org/jira/browse/HDFS-6860
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 2.5.0
>            Reporter: Arpit Agarwal
>            Assignee: chang li
>              Labels: newbie
>         Attachments: HDFS6860.patch
>
>
> Block State Change logs are too noisy at the default INFO level and affect NN performance
on busy clusters.
> Most of these state changes can be logged at debug level instead.



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