Best/fastest way to display very large datasets in the ArcGIS JS API?

03-12-2019 09:37 AM
New Contributor II

I have a very large set of polygons to display, and I cannot find a way to load them that is sufficiently fast and perfomant. I have tried GeoJSON, but loading is extremely slow. 

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New Contributor III

I also just tested a large GeoJSON dataset on the new GeoJSONLayer that Rene mentioned.  It works great, and is faster than a map service - GeoJSONLayer | ArcGIS API for JavaScript 4.14 .

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