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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3758) TestFuseDFS test failing
Date Mon, 06 Aug 2012 20:53:03 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13429417#comment-13429417

Colin Patrick McCabe commented on HDFS-3758:

Here's a little more explanation of the patch: {{-ononempty}} allows FUSE to mount over a
non-empty directory.  Since we previously had a bug which could result in the fuse mount directory
getting full of junk, you can see why this is useful.

This patch also changes the way we run fuse_dfs slightly.  Rather than running it in the background,
we run it in the foreground, piping its stdout and stderr to java threads.  This is the meaning
of the {{-f}} option.
> TestFuseDFS test failing
> ------------------------
>                 Key: HDFS-3758
>                 URL: https://issues.apache.org/jira/browse/HDFS-3758
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: fuse-dfs
>    Affects Versions: 1.0.0, 2.0.0-alpha
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>            Priority: Minor
>         Attachments: HDFS-3758-b1.001.patch, HDFS-3758.003.patch, TestFuseDFS-fix-0002.patch
> TestFuseDFS.java has two bugs:
> * there is a race condition between mounting the filesystem and testing it
> * it doesn't clear the mount directory before it tries to mount there

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