Ah, the trusted LIA... :) FieldCache class is used for sorting. Are you sorting by a few different fields by any chance?
Otis -- Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch ----- Original Message ---- > From: Ulf Dittmer <u...@ulfdittmer.com> > To: java-user@lucene.apache.org > Sent: Thursday, June 25, 2009 5:13:48 PM > Subject: question about (problem with?) use of FieldCache$StringIndex > > Hello- > > We're looking at memory issues we're having with a fair-sized web app that > uses > Lucene for search. While looking at heap dumps, we discovered that there were > 3 > instances of org.apache.lucene.search.FieldCache$StringIndex, each about > 110MB > in size (out of a total of 1 GB). > > Looking at the javadocs, I'm not real clear what the class does, but it > doesn't > seem to have any settings one could change. So I'm wondering: Is it normal to > have more than one instance of this? Is it necessary? Are there circumstances > in > which this could be avoided? If we can't avoid it being used: are there ways > of > making it use less memory? > > Thanks in advance for any clue. The trusted "Lucene In Action" doesn't talk > about the class, and our code doesn't use it directly, so I'm a bit stumped. > > Ulf > > > --------------------------------------------------------------------- > 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
