Hi, Is there any way to pre-build rewritten queries and cache them somewhere. When I have a set of queries which is used very frequently I would get significant boost (10-20% of CPU wasted) when I can skip rewriting (for example by caching rewritten queries). Thank you for any suggestions.
On Mon, Jun 30, 2014 at 3:24 PM, Pawel Rog <pawelro...@gmail.com> wrote: > Hi, > Thank you Uwe. I see mostly ConstantScoreQuery, BooleanQuery and > FilteredQuery. Maybe it is quite cheap for MI but I execute quite many > queries on it and I was looking for optimizations. > > -- > Paweł > > > On Mon, Jun 30, 2014 at 3:01 PM, Uwe Schindler <u...@thetaphi.de> wrote: > >> Hi, >> >> Queries have to be rewritten, this has nothing to do with scoring. What >> type of queries are you seeing this? Wildcard or text ranges are expensive, >> there is no way around, but for MemoryIndex (I assume you mean this class), >> this should be quite cheap. >> >> ----- >> Uwe Schindler >> H.-H.-Meier-Allee 63, D-28213 Bremen >> http://www.thetaphi.de >> eMail: u...@thetaphi.de >> >> >> > -----Original Message----- >> > From: ppp.pawel...@gmail.com [mailto:ppp.pawel...@gmail.com] On >> > Behalf Of Pawel Rog >> > Sent: Monday, June 30, 2014 2:26 PM >> > To: java-user@lucene.apache.org >> > Subject: createNormalizedWeight >> > >> > Hi, >> > I'm running queries over memory index and see in profiler significant >> CPU >> > usage on method createNormalizedWeight. Most of the time is spent on >> > rewrite method. >> > >> > Is it any way to avoid it or optimize to reduce CPU usage on >> > createNormalizedWeight? Scoring is not important for me at all. It only >> want >> > to know if query matches do document or not. >> > >> > -- >> > Regards, >> > Paweł >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >> For additional commands, e-mail: java-user-h...@lucene.apache.org >> >> >
