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https://issues.apache.org/jira/browse/HADOOP-2845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12570824#action_12570824
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Konstantin Shvachko commented on HADOOP-2845:
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Do you know why TestDU is failing?
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/1810/testReport/org.apache.hadoop.fs/TestDU/testDU/
> dfsadmin disk utilization report on Solaris is wrong
> ----------------------------------------------------
>
> Key: HADOOP-2845
> URL: https://issues.apache.org/jira/browse/HADOOP-2845
> Project: Hadoop Core
> Issue Type: Bug
> Components: fs
> Affects Versions: 0.16.0
> Reporter: Martin Traverso
> Fix For: 0.17.0
>
> Attachments: HADOOP-2845.patch
>
>
> dfsadmin reports 2x disk utilization on some platforms (Solaris, MacOS). The
> reason for this is that org.apache.hadoop.fs.DU is relying on du's default
> block size when reporting sizes and assuming they are 1024 byte blocks. This
> works fine on Linux, but du Solaris and MacOS uses 512-byte blocks to report
> disk usage.
> DU should use "du -sk" instead of "du -s" to force the command to report
> sizes based on 1024 byte blocks.
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