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https://issues.apache.org/jira/browse/HDFS-7648?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14317523#comment-14317523
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Colin Patrick McCabe commented on HDFS-7648:
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Thank you for sticking with this.
bq. Attach new patch where it will print the log message and clear the list, if
the mismatchFiles reaches 100. Please review. Thanks!
Why don't you just log them as you go? I really see no reason for a list and
it adds complexity.
Also, please give different patch files different names, to avoid confusion.
thanks.
> Verify the datanode directory layout
> ------------------------------------
>
> Key: HDFS-7648
> URL: https://issues.apache.org/jira/browse/HDFS-7648
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Reporter: Tsz Wo Nicholas Sze
> Assignee: Rakesh R
> Attachments: HDFS-7648.patch, HDFS-7648.patch
>
>
> HDFS-6482 changed datanode layout to use block ID to determine the directory
> to store the block. We should have some mechanism to verify it. Either
> DirectoryScanner or block report generation could do the check.
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