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https://issues.apache.org/jira/browse/HADOOP-9337?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ivan A. Veselovsky updated HADOOP-9337:
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Attachment: HADOOP-9337--a.patch
HADOOP-9337--b.patch
Attaching patches with the fixed/added tests.
The patches correspond to fix options (a) and (b): (a) uses -P df option and
expects standard uniform POSIX output on all operating systems, while (b) does
not use "-P", instead providing special output handling for Mac.
I would recommend solution "(a)" if we're able to test it on all supported
OSs. If not, I would recommend to take solution "(b)".
> org.apache.hadoop.fs.DF.getMount() does not work on Mac OS
> ----------------------------------------------------------
>
> Key: HADOOP-9337
> URL: https://issues.apache.org/jira/browse/HADOOP-9337
> Project: Hadoop Common
> Issue Type: Bug
> Environment: Mac OS 10.8
> Reporter: Ivan A. Veselovsky
> Assignee: Ivan A. Veselovsky
> Attachments: HADOOP-9337--a.patch, HADOOP-9337--b.patch
>
>
> test org.apache.hadoop.fs.TestLocalFileSystem.testReportChecksumFailure()
> (added in HADOOP-9067) appears to fail on MacOS because
> method org.apache.hadoop.fs.DF.getMount() does not work correctly.
> The problem is that "df -k <path>" command returns on MacOS output like the
> following:
> -------
> Filesystem 1024-blocks Used Available Capacity iused ifree %iused
> Mounted on
> /dev/disk0s4 194879828 100327120 94552708 52% 25081778 23638177 51%
> /Volumes/Data
> -------
> while the following is expected:
> -------
> Filesystem 1024-blocks Used Available Capacity Mounted on
> /dev/mapper/vg_iveselovskyws-lv_home 420545160 15978372 383204308 5%
> /home
> -------
> So, we see that Mac's output has 3 additional tokens.
> I can suggest 2 ways to fix the problem.
> (a) use "-P" (POSIX) option when invoking df command. This will probably
> ensure unifirm output on all Unix systems;
> (b) move Mac branch to specific "case" branch and treat it specifically (like
> we currently have for AIX, DF.java, line 214)
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