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https://issues.apache.org/jira/browse/HDFS-8845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14659244#comment-14659244
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Andrew Wang commented on HDFS-8845:
-----------------------------------

It'd be a little better for coverage if we tried looking at the file path that 
had the error, since it's possible there's an error on some subdir. Agree 
though that traversing the entire tree doesn't have much point though.

> DiskChecker should not traverse entire tree
> -------------------------------------------
>
>                 Key: HDFS-8845
>                 URL: https://issues.apache.org/jira/browse/HDFS-8845
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Chang Li
>            Assignee: Chang Li
>         Attachments: HDFS-8845.patch
>
>
> DiskChecker should not traverse entire tree because it's causing heavy disk 
> load on checkDiskError()



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