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https://issues.apache.org/jira/browse/HADOOP-9551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13729967#comment-13729967
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Chris Nauroth commented on HADOOP-9551:
---------------------------------------
{quote}
Should we fall back to Chris's original implementation instead of Java's API?
{quote}
I think not. With my older implementation, we had observed some stability
problems on hosts under load. It involved forking extra processes for shell
commands. The shell timeout would kick in, and the command would fail, causing
{{DiskChecker}} to erroneously flag a volume as bad.
In practice, I think Windows will never execute the fallback. Since hadoop.dll
is required for correctness on Windows in various ways, any realistic
deployment will have the native code available.
> Backport common utils introduced with HADOOP-9413 to branch-1-win
> -----------------------------------------------------------------
>
> Key: HADOOP-9551
> URL: https://issues.apache.org/jira/browse/HADOOP-9551
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 1-win
> Reporter: Ivan Mitic
> Assignee: Ivan Mitic
> Attachments: HADOOP-9551.branch-1-win.common.2.patch,
> HADOOP-9551.branch-1-win.common.3.patch,
> HADOOP-9551.branch-1-win.common.4.patch
>
>
> Branch-1-win has the same set of problems described in HADOOP-9413. With this
> Jira I plan to prepare a branch-1-win compatible patch.
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