Use the location_rpt field type in the example schema.xml -- it has "good performance & less memory" (what you asked for) compared to LatLonType. To learn how to tweak some of the settings to get better performance at the expense of some accuracy, see http://wiki.apache.org/solr/SolrAdaptersForLuceneSpatial4
~ David On 10/5/13 8:53 AM, "user 01" <user...@gmail.com> wrote: >For geospatial search, I need to filter out all points outside of certain >radius from a certain point. No need for precise results, Approximation >will work for me! No sorting is required either. I see there are two >Spatial impls: LatLonType & SpatialRecursivePrefixTreeFieldType. But I am >sure which one should I choose for good performance & less memory? >(As I said approximations are ok for me. Instead of circle if it gives me >approx bounding box results then too I will be fine)
