Using global IDF, if data is not even On Tuesday, October 27, 2015, Markus Jelsma <markus.jel...@openindex.io> wrote:
> Hello - regarding fairly random/smooth distribution, you will notice it > for sure. A solution there is to use distributed collection statistics. On > top of that you might want to rely on docCount, not maxDoc inside your > similarity implementation, because docCount should be identical in both > collections. maxDoc is not really deterministic it seems, since identical > replica's do not merge segments at the same time. > > Markus > > > -----Original message----- > > From:Scott Stults <sstu...@opensourceconnections.com <javascript:;>> > > Sent: Tuesday 27th October 2015 21:18 > > To: solr-user@lucene.apache.org <javascript:;> > > Subject: Re: Solr collection alias - how rank is affected > > > > Collection statistics aren't shared between collections, so there's going > > to be a difference. However, if the distribution is fairly random you > won't > > notice. > > > > On Tue, Oct 27, 2015 at 3:21 PM, SolrUser1543 <osta...@gmail.com > <javascript:;>> wrote: > > > > > How is document ranking is affected when using a collection alias for > > > searching on two collections with same schema ? is it affected at all > ? > > > > > > > > > > > > -- > > > View this message in context: > > > > http://lucene.472066.n3.nabble.com/Solr-collection-alias-how-rank-is-affected-tp4236776.html > > > Sent from the Solr - User mailing list archive at Nabble.com. > > > > > > > > > > > -- > > Scott Stults | Founder & Solutions Architect | OpenSource Connections, > LLC > > | 434.409.2780 > > http://www.opensourceconnections.com > > >