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https://issues.apache.org/jira/browse/HDFS-6860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14649670#comment-14649670
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Arpit Agarwal commented on HDFS-6860:
-------------------------------------
Thanks [~xyao], we should probably leave the "Processing first storage report
for " and the processReport messages at DEBUG.
Those are logged once per DN per block report and useful in practice.
.
> 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: BB2015-05-TBR, newbie
> Attachments: HDFS-6860.00.patch, HDFS6860.patch, 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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