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https://issues.apache.org/jira/browse/HADOOP-15493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16500356#comment-16500356
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Daryn Sharp commented on HADOOP-15493:
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Exception message strings should be considered as opaque. Checking for a
substring in the message is incredibly brittle as evident by the linux/window
checks. I'd just remove it.
> DiskChecker should handle disk full situation
> ---------------------------------------------
>
> Key: HADOOP-15493
> URL: https://issues.apache.org/jira/browse/HADOOP-15493
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Priority: Critical
> Attachments: HADOOP-15493.01.patch, HADOOP-15493.02.patch
>
>
> DiskChecker#checkDirWithDiskIo creates a file to verify that the disk is
> writable.
> However check should not fail when file creation fails due to disk being
> full. This avoids marking full disks as _failed_.
> Reported by [~kihwal] and [~daryn] in HADOOP-15450.
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