Ah, with multiple indices you can't rely on the max Lucene doc Id. I think you have to do with the timestamp approach.
Otis -- Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch ----- Original Message ---- > From: vivek sar <vivex...@gmail.com> > To: solr-user@lucene.apache.org > Sent: Thursday, July 9, 2009 1:13:54 PM > Subject: Re: Boosting for most recent documents > > Thanks Otis. I got a distributed index - using Solr multi-core. > Basically, I got 6 indexer instances running on 3 different boxes. > Couple of questions, > > 1) Is it possible to sort on document id for multiple-shards? How is that > done? > 2) How would boost by most recent doc at index time? > > Thanks, > -vivek > > > > On Wed, Jul 8, 2009 at 7:47 PM, Otis > Gospodneticwrote: > > > > Sort by the internal Lucene document ID and pick the highest one. That > > might > do the job for you. > > > > Otis > > -- > > Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch > > > > > > > > ----- Original Message ---- > >> From: vivek sar > >> To: solr-user > >> Sent: Wednesday, July 8, 2009 8:34:16 PM > >> Subject: Boosting for most recent documents > >> > >> Hi, > >> > >> I'm trying to find a way to get the most recent entry for the > >> searched word. For ex., if I have a document with field name "user". > >> If I search for user:vivek, I want to get the document that was > >> indexed most recently. Two ways I could think of, > >> > >> 1) Sort by some time stamp field - but with millions of documents this > >> becomes a huge memory problem as we have seen OOM with sorting before > >> 2) Boost the most recent document - I'm not sure how to do this. > >> Basically, we want to have the most recent document score higher than > >> any other and then we can retrieve just 10 records and sort in the > >> application by time stamp field to get the most recent document > >> matching the keyword. > >> > >> Any suggestion on how can this be done? > >> > >> Thanks, > >> -vivek > > > >
