Native MMapDir
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Key: LUCENE-3178
URL: https://issues.apache.org/jira/browse/LUCENE-3178
Project: Lucene - Java
Issue Type: Improvement
Components: core/store
Reporter: Michael McCandless
Spinoff from LUCENE-2793.
Just like we will create native Dir impl (UnixDirectory) to pass the right OS
level IO flags depending on the IOContext, we could in theory do something
similar with MMapDir.
The problem is MMap is apparently quite hairy... and to pass the flags the
native code would need to invoke mmap (I think?), unlike UnixDir where the code
"only" has to open the file handle.
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