On Tue, Jul 12, 2011 at 10:42 AM, "René Hackl" <rene.a.ha...@gmx.de> wrote: > Hi, > > I am running some AutomatonQueries and see caching effects happening, that I > can't seem to get rid of. E.g. an AutomatonQuery takes > > Run 1: 3000 ms > Run 2 and all subsequent runs: 250 ms > > The IndexSearcher is closed after every full query circle (and opened via > open(Directory), so the IndexReader should be closed, too, right?). I have > changed indexes, restarted Eclipse, and run GC to no effect. I am thinking > FieldCache.purge might help, but how do i get there? > > Also, how to reasonably assess execution times for AQs? The very first runs > can last pretty long, yet cached queries are fast. Overlap seems to benefit > queries down the line, e.g. "*ration" is much faster if sometime before > "*ation" has been run. Would it be feasible to warm an index with the most > frequent ngrams for AutomatonQueries? >
This is probably just your OS caching? this query has no caching. -- lucidimagination.com --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
