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https://issues.apache.org/jira/browse/HBASE-8838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13702533#comment-13702533
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Enis Soztutar commented on HBASE-8838:
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You mean FSUtils.WINDOWS? I expect that setting to be useful in main code paths
as well. That mimics Hadoop's Shell.WINDOWS
(https://github.com/apache/hadoop-common/blob/87fcb29a161fa906ffec4573eb3c84380a4eb6e2/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/Shell.java#L274),
and since FSUtils deals with file system, it looked like a good place to put
it.
> [WINDOWS] FileLink assumptions are broken under NTFS
> ----------------------------------------------------
>
> Key: HBASE-8838
> URL: https://issues.apache.org/jira/browse/HBASE-8838
> Project: HBase
> Issue Type: Sub-task
> Reporter: Enis Soztutar
> Assignee: Enis Soztutar
> Fix For: 0.95.2
>
> Attachments: hbase-8838_v1.patch
>
>
> FileLink assumes that underlying files can be moved while there are open
> readers. Windows does not allow the file which has active readers to be moved
> unless the file is opened in shared mode. JDK6 and 7 open the file in
> exclusive mode by default, so moving the file while there are readers is not
> possible.
> Hadoop-on-windows copies the file, if it cannot perform the rename. This will
> cause duplication, and the original file not being deleted.
> This affects the unit test TestFileLink. On local mode over NTFS, reading
> from snapshot files and replication might cause issues, but I don't think it
> has any other implications on hbase+hdfs on windows.
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