It depends on your definition of "clean" but Emmanuel is correct. When I worked with highly dynamic data (meaning many segments over a short period of time ) the IW would do a segment merge whenever the merge threshold was reached. The Lucene document numbers would obviously change and If there were documents marked as deleted, those segments would be removed but there was no optimization performed just a merge.
Hope this helps. JohnG 2009/9/23 Emmanuel Bernard <emman...@hibernate.org> > > On 23 sept. 09, at 14:58, Łukasz Moreń wrote: > > > Is it because, the IndexWriter only clean files if no indexReaders > > are reading them (how would that be detected)? > > It can happen if IndexWriter clean file, and IndexReader try to > > access that cleaned file. > > IndexWriter doe snot clean files AFAIK (unless you optimize I think > but that's another story). > _______________________________________________ > hibernate-dev mailing list > hibernate-dev@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/hibernate-dev > -- John Griffin Senior Software Engineer Overstock.com http://thediningphilosopher.blogspot.com/ Hibernate Search in Action (http://www.manning.com/bernard/) __________________________________ Refactoring is NOT a substitute for design.
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