I've written a blog regarding a work around for updating index in Lucene using parallel reader. It's explained with results and pictures.
It would be great if you have a look at it. The link: http://the10minutes.blogspot.com/2010/10/lucene-index-update.html <http://the10minutes.blogspot.com/2010/10/lucene-index-update.html>Thanks Nilesh
