For one of our projects - we were planning to have the system of
multiple individual Lucene readers (just read-only instances and no
writes whatsoever ) in different physical machines having their
IndexReader-s warmed up from the same directory for the indices and
working on the same.
I was reading about locks (implemented as files) that Lucene uses
internally. I am just curious if using multiple readers would be a
feasible option here, all sharing the same index directory (across NFS /
similar network mounted storage ) in terms of locking etc.
Would there be a performance hit ( ignoring the NFS related performance
of course) that would hinder multiple readers to serve query search
simultaneously from the same set of index files.
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