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From "Smiley, David W." <>
Subject Re: Spatial Search response time complexity
Date Mon, 15 Oct 2012 18:32:43 GMT
Hi TJ.

If you use a circle query shape, it's O(N), plus it puts all the points in memory.  If you
use a rectangle via bbox then I'm not sure but its fast enough that I wouldn't worry about
it.  If my understanding is correct on Lucene TrieRange fields, it's O(Log(N)).  If you want
fast filtering no matter what the query shape is, then I suggest Solr 4.0 SpatialRecursivePrefixTreeFieldType
  ("location_rpt" in the example schema)

~ David Smiley

On Oct 9, 2012, at 5:00 PM, TJ Tong wrote:

> Hi all,
> Does anyone know the Solr (lucene)spatial search time complexity, such as
> geofilt on LatLonType fields? Is it logN? 
> Thanks!
> TJ
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