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From "Native Policeman (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-2791) WindowsDirectory
Date Fri, 03 Dec 2010 12:09:13 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-2791?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12966505#action_12966505
] 

Native Policeman commented on LUCENE-2791:
------------------------------------------

bq. But you don't understand how its IO works?

You will laugh, but I did exactly the same thing a few weeks ago :-) Sorry, the whole thing
was a misunderstanding.

The other things are simply minor improvements. And Mike also said that we may create files
by codecs with names that are non-ascii. And as you are the unicode policeman, I dont unterstand
how you can live with default charsets... This is why I suggested to use *W functions in windows
and use the UTF16 chars for that reason.

The exception status stuff is also just an optimization in the error case? So why are you
aggressive?

> 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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