Thanks Yago, I've read this article http://searchhub.org/2013/04/02/fun-with-docvalues-in-solr-4-2/ But I don't understand well. I'll try to figure out the missing part. Thanks for helping.
Floyd 2013/11/20 Yago Riveiro <yago.rive...@gmail.com> > You should understand the DocValues as feature that allow you to do > sorting and faceting without blow the heap. > > They are not necessary faster than the traditional method, they are more > memory efficient and in huge indexes this is the main limitation. > > This post resumes the docvalues feature and the main goals > http://searchhub.org/2013/04/02/fun-with-docvalues-in-solr-4-2/ > > -- > Yago Riveiro > Sent with Sparrow (http://www.sparrowmailapp.com/?sig) > > > On Wednesday, November 20, 2013 at 10:15 AM, Floyd Wu wrote: > > > Hi Yago > > > > Thanks for you reply. I once thought that DocValues feature is one for me > > to store some extra values. > > > > May I summarized that DocValues is a feature that "speed up" sorting and > > faceting? > > > > Floyd > > > > > > > > 2013/11/20 Yago Riveiro <yago.rive...@gmail.com (mailto: > yago.rive...@gmail.com)> > > > > > Hi Floyd, > > > > > > DocValues are useful for sorting and faceting per example. > > > > > > You don't need to change nothing in your xml's, the only thing that you > > > need to do is set the docValues=true in your field definition in the > schema. > > > > > > If you don't want use the default implementation (all loaded in the > heap), > > > you need to add the tag <codecFactory > class="solr.SchemaCodecFactory"/> in > > > the solrconfig.xml and the docValuesFormat=true on the fieldType > definition. > > > > > > -- > > > Yago Riveiro > > > Sent with Sparrow (http://www.sparrowmailapp.com/?sig) > > > > > > > > > On Wednesday, November 20, 2013 at 9:38 AM, Floyd Wu wrote: > > > > > > > Hi there, > > > > > > > > I'm not fully understand what kind of usage example that DocValues > can be > > > > used? > > > > > > > > When I set field docValues=true, do i need to change anyhting in xml > > > that I > > > > sent to solr for indexing? > > > > > > > > Please point me. > > > > > > > > Thanks > > > > > > > > Floyd > > > > > > > > PS: I've googled and read lots of DocValues discussion but confused. > >
