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https://issues.apache.org/jira/browse/LUCENE-2791?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12966493#action_12966493
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Native Policeman commented on LUCENE-2791:
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To my above comment and OVERLAPPED in my opinion not realy used (as not async):
Reading
[http://msdn.microsoft.com/en-us/library/aa365467(VS.85).aspx#synchronization_and_file_position]
it seems to behave little different when OVERLAPPED is non-null for
synchronous reads (as we do currently). But as you never read the contents og
OVERLAPPED after the function call, why pass it in? Please explain :-)
> WindowsDirectory
> ----------------
>
> Key: LUCENE-2791
> URL: https://issues.apache.org/jira/browse/LUCENE-2791
> Project: Lucene - Java
> Issue Type: New Feature
> Components: Store
> Reporter: Robert Muir
> Attachments: LUCENE-2791.patch, LUCENE-2791.patch,
> WindowsDirectory.dll, WindowsDirectory_amd64.dll
>
>
> We can use Windows' overlapped IO to do pread() and avoid the performance
> problems of SimpleFS/NIOFSDir.
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