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https://issues.apache.org/jira/browse/CASSANDRA-4050?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13912118#comment-13912118
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Joshua McKenzie commented on CASSANDRA-4050:
--------------------------------------------
There's been some discussion on CASSANDRA-6283 concerning this. From the
comments:
With our current io implementation on Windows, snapshots won't be deletable as
long as the original sstable is locked. It's going to take a new FileDataInput
based on FileChannel w/jdk7 using the FILE_SHARE_DELETE flag to allow deletion
of hard links while the original file is open.
Bug with behavior: http://bugs.java.com/view_bug.do?bug_id=6607535
jdk7 support:
http://www.docjar.com/html/api/sun/nio/fs/WindowsChannelFactory.java.html
> Unable to remove snapshot files on Windows while original sstables are live
> ---------------------------------------------------------------------------
>
> Key: CASSANDRA-4050
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4050
> Project: Cassandra
> Issue Type: Bug
> Environment: Windows 7
> Reporter: Jim Newsham
> Assignee: Joshua McKenzie
> Priority: Minor
>
> I'm using Cassandra 1.0.8, on Windows 7. When I take a snapshot of the
> database, I find that I am unable to delete the snapshot directory (i.e., dir
> named "{datadir}\{keyspacename}\snapshots\{snapshottag}") while Cassandra is
> running: "The action can't be completed because the folder or a file in it
> is open in another program. Close the folder or file and try again" [in
> Windows Explorer]. If I terminate Cassandra, then I can delete the directory
> with no problem.
> I expect to be able to move or delete the snapshotted files while Cassandra
> is running, as this should not affect the runtime operation of Cassandra.
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