Re: solr faceted search performance reason

2011-04-06 Thread Jonathan Rochkind
PS: If you want to see how Solr actually computes facetting (the facetting code lives in the 'Solr' codebase, not in the lower level lucene codebase), here's the file to look at, this web snapshot is from 1.4.1 dont' know if it's been changed more recently, but I don't think majorly: http://w

Re: solr faceted search performance reason

2011-04-06 Thread Jonathan Rochkind
On 4/6/2011 10:55 AM, Robin Palotai wrote: Therefore, Lucene supposedly has some advanced technique for multi-field queries other than just taking the intersection of matching documents based on the inverted index. I don't think so, neccesarily. It's just that Lucene's algorithms to doing thi

Re: solr faceted search performance reason

2011-04-06 Thread Robin Palotai
Carbon copied: *Context* This is a question mainly about Lucene (or possibly Solr) internals. The main topic is *faceted search*, in which search can happen along multiple independent dimensions (facets) of objects (for example size, speed, price of a car). When implemented with relational datab

Re: solr faceted search performance reason

2011-04-06 Thread Erick Erickson
Please re-post the question here so others can see the discussion without going to another list. Best Erick On Wed, Apr 6, 2011 at 4:09 AM, Robin Palotai wrote: > Hello List, > > Please see my question at > > http://stackoverflow.com/questions/5552919/how-does-lucene-solr-achieve-high-performanc

solr faceted search performance reason

2011-04-06 Thread Robin Palotai
Hello List, Please see my question at http://stackoverflow.com/questions/5552919/how-does-lucene-solr-achieve-high-performance-in-multi-field-faceted-search, I would be interested to know some details. Thank you, Robin