It depends on the number of fields. If you search on 3 fields it is not likely to be a problem (the general use case 3 fields: plain, stemmed, folded). But if you have like 50 fields, the slow down is likely very large!
----- Uwe Schindler H.-H.-Meier-Allee 63, D-28213 Bremen http://www.thetaphi.de eMail: u...@thetaphi.de > -----Original Message----- > From: aurelien.mazo...@francelabs.com > [mailto:aurelien.mazo...@francelabs.com] > Sent: Tuesday, July 28, 2015 5:05 PM > To: java-user@lucene.apache.org > Subject: Performance impact of searching across multiple fields > > Hi, > > I am wondering about the real performance impact of searching across > multiple fields instead of using a catch-all field. I know that Lucene is > optimized to do that and that there are mechanisms to mitigate the > overhead but does anybody know if there are performance benchmarks > related to this question? > > Thanks, > > Aurélien > > > --------------------------------------------------------------------- > 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
