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Re: [geomesa-users] Question on accelerating 'join' process


Since you're doing a point-in-polygon join with a limited number of polygons, your best approach is likely to convert the polygons into filters and use them to query the points layer. That way, you'll leverage the index structures to only query the data you want. Otherwise, you could use a brute force approach in spark using a broadcast join.



On 7/26/20 11:06 PM, Yifan Wang wrote:
Hi, we are dealing with location-based data(1Tb per day) using Point as index. The job is to join one thousand areas(Polygon or MultiPolygon) with these location-based points to determine whether a point is inside one of these areas. We are wondering what is the fastest way to finish this join process? Thank you!

Best Regards,

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