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Spark rasterization hangs #1

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willtemperley opened this issue Jun 17, 2016 · 1 comment
Open

Spark rasterization hangs #1

willtemperley opened this issue Jun 17, 2016 · 1 comment

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@willtemperley
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The WayRasterizer in (mapreduce) is fast, but porting to Spark has been problematic - it hangs for no apparent reason. Also need to find a better way to broadcast the WKTReader.

https://github.com/willtemperley/osm-hadoop/blob/master/src/main/scala/org/roadlessforest/osm/SparkRasterizer.scala
@willtemperley
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P.S. the input will be WayWritables which hold a WKT string and a value to rasterize (e.g. highway values).

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@willtemperley