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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-1658) Absorb NIOFSDirectory into FSDirectory
Date Sun, 24 May 2009 16:10:45 GMT
Absorb NIOFSDirectory into FSDirectory
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                 Key: LUCENE-1658
                 URL: https://issues.apache.org/jira/browse/LUCENE-1658
             Project: Lucene - Java
          Issue Type: Improvement
          Components: Store
            Reporter: Michael McCandless
            Assignee: Michael McCandless
            Priority: Minor
             Fix For: 2.9


I think whether one uses java.io.* vs java.nio.* or eventually
java.nio2.*, or some other means, is an under-the-hood implementation
detail of FSDirectory and doesn't merit a whole separate class.

I think FSDirectory should be the core class one uses when one's index
is in the filesystem.

So, I'd like to deprecate NIOFSDirectory, absorbing it into
FSDirectory, and add a setting "useNIO" to FSDirectory.  It should
default to "true" for non-Windows OSs, because it gives far better
concurrent performance on all platforms but Windows (due to known Sun
JRE issue http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6265734).


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