Hi Simon, Thanks for the tip! Unfortunately I am running this on win. Tried a couple of command line tools / memory clearing apps without success. Will transfer stuff to another machine and see how that pans out.
Thanks again, Rene -------- Original-Nachricht -------- > Datum: Tue, 12 Jul 2011 22:42:44 +0200 > Von: Simon Willnauer <simon.willna...@googlemail.com> > An: java-user@lucene.apache.org > Betreff: Re: AutomatonQuery Caching > Hi rene, > > On Tue, Jul 12, 2011 at 10:12 PM, Rene Hackl-Sommer <rene.a.ha...@gmx.de> > wrote: > > This sounds plausible, even if manually cleaning the Java cache has no > > effect. Probably a JDK/JRE mismatch somewhere, just have to find the > spot. > > this is very likely your OS pushing frequently use data into RAM via > FS cache. if you run on linux try to flush your caches with > echo 3 > /proc/sys/vm/drop_caches > > and see if it changes anything. > > simon > > > > Thanks, > > Rene > > > > Am 12.07.2011 19:22, schrieb Robert Muir: > >> > >> 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. > >> > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > > For additional commands, e-mail: java-user-h...@lucene.apache.org > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > -- NEU: FreePhone - kostenlos mobil telefonieren! Jetzt informieren: http://www.gmx.net/de/go/freephone --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
