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Posted to common-issues@hadoop.apache.org by "Harsh J (JIRA)" <ji...@apache.org> on 2012/09/22 10:38:08 UTC

[jira] [Updated] (HADOOP-7856) Improve DiskChecker javadocs

     [ https://issues.apache.org/jira/browse/HADOOP-7856?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Harsh J updated HADOOP-7856:
----------------------------

    Labels: newbie  (was: noob)
    
> Improve DiskChecker javadocs
> ----------------------------
>
>                 Key: HADOOP-7856
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7856
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: util
>            Reporter: Eli Collins
>              Labels: newbie
>
> 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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