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https://issues.apache.org/jira/browse/HADOOP-7855?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harsh J resolved HADOOP-7855.
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Resolution: Duplicate
Fix Version/s: (was: 0.24.0)
Dupe of HADOOP-7856 (Accidental dual-submit).
> Improve DiskChecker javadocs
> ----------------------------
>
> Key: HADOOP-7855
> URL: https://issues.apache.org/jira/browse/HADOOP-7855
> Project: Hadoop Common
> Issue Type: Bug
> Components: util
> Reporter: Eli Collins
> Labels: noob
>
> The javadocs for DiskChecker#checkDir(File dir) trail off, look like they
> weren't completed, should be.
> While checkDir(File) uses java File to check if a dir actually is writable,
> the version of checkDir that takes an FsPermission uses FsAction#implies
> which doesn't actually check if a dir is writable (eg it passes on a
> read-only file system). So switching from one version to the other can cause
> unexpected bugs. Let's call this out explicitly in the javadocs.
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