RE: Performance problems for OR-queries

2007-11-26 Thread Norskog, Lance
-user@lucene.apache.org Subject: Re: Performance problems for OR-queries On 22-Nov-07, at 6:02 AM, Jörg Kiegeland wrote: > >>> 1. Does Solr support this kind of index access with better >>> performance ? >>> Is there anything special to define in schema.xml? >&

Re: Performance problems for OR-queries

2007-11-22 Thread Mike Klaas
On 22-Nov-07, at 6:02 AM, Jörg Kiegeland wrote: 1. Does Solr support this kind of index access with better performance ? Is there anything special to define in schema.xml? No... Solr uses Lucene at it's core, and all matching documents for a query are scored. So it is not possible to hav

Re: Performance problems for OR-queries

2007-11-22 Thread Jörg Kiegeland
1. Does Solr support this kind of index access with better performance ? Is there anything special to define in schema.xml? No... Solr uses Lucene at it's core, and all matching documents for a query are scored. So it is not possible to have a "google" like performance with Solr, i.e.

Re: Performance problems for OR-queries

2007-11-21 Thread Yonik Seeley
On Nov 21, 2007 3:09 PM, Jörg Kiegeland <[EMAIL PROTECTED]> wrote: > I have N keywords and execute a query of the form > > keyword1 OR keyword2 OR .. OR keywordN [...] > This seems to take linear time to the size of all possible matched > documents. Yes. > 1. Does Solr support this kind of index