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From "Smiley, David W." <>
Subject Re: difference between geospatial search from database angle and from solr angle
Date Thu, 07 Apr 2011 14:19:08 GMT
I haven't used PostGIS so I can't offer a real comparison. I think if you were to try out both,
you'd be impressed with Solr's performance/scalability thanks in large part to its sharding.
 But for "functionality richness" in so far as geospatial is concerned, that's where Solr
currently comes short. It just has the basic stuff 80% of people want.

~ David Smiley

On Apr 7, 2011, at 2:24 AM, Sean Bigdatafun wrote:

> Thanks, David.
> I am thinking of a scenario that billions of objects, whose indices are too
> big for a single machine to serve the indexing, to serve the querying. Is
> there any sharding mechanism?
> Can you give a comparison between solr-based geospatial search and PostGIS
> based geospatial search?
>          * scalability
>          * functionality richness
>          * incremental indexing (re-indexing) cost
>          * query cost
>          * sharding scheme support

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