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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