[jira] [Updated] (LUCENE-4848) Add Directory implementations using NIO2 APIs

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[jira] [Updated] (LUCENE-4848) Add Directory implementations using NIO2 APIs

JIRA jira@apache.org

     [ https://issues.apache.org/jira/browse/LUCENE-4848?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Uwe Schindler updated LUCENE-4848:
----------------------------------

    Attachment: LUCENE-4848.patch

Here is the simpliest patch, fixing the current directory implementations to use the new FileChannels. No other changes at all.

We should benchmark the "fixed" NIOFSDirectory on windows to check, if the locking issues still exist.

If we want to add AsyncFSDirectory again, we should do this only next to WindowsDirectory in the misc module.

I will now test this patch and plan to commit it as a first step.
               

> Add Directory implementations using NIO2 APIs
> ---------------------------------------------
>
>                 Key: LUCENE-4848
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4848
>             Project: Lucene - Core
>          Issue Type: Task
>            Reporter: Michael Poindexter
>            Assignee: Uwe Schindler
>            Priority: Minor
>         Attachments: jdk7directory.zip, LUCENE-4848-MMapDirectory.patch, LUCENE-4848.patch, LUCENE-4848.patch, LUCENE-4848.patch, LUCENE-4848.patch, LUCENE-4848.patch, LUCENE-4848.patch.txt
>
>
> I have implemented 3 Directory subclasses using NIO2 API's (available on JDK7).  These may be suitable for inclusion in a Lucene contrib module.
> See the mailing list at http://lucene.markmail.org/thread/lrv7miivzmjm3ml5 for more details about this code and the advantages it provides.
> The code is attached as a zip to this issue.  I'll be happy to make any changes requested.  I've included some minimal smoke tests, but any help in how to use the normal Lucene tests to perform more thorough testing would be appreciated.

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