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From Ankur Dave <>
Subject Re: GraphX can not unpersist edges of old graph?
Date Thu, 12 Jun 2014 20:47:33 GMT
We didn't provide an unpersist API for Graph because the internal
dependency structure of a graph can make it hard to unpersist correctly in
a way that avoids recomputation. However, you can directly unpersist a
graph's vertices and edges RDDs using graph.vertices.unpersist() and

By the way, the memory leak bug with Pregel (SPARK-2025
<>) is fixed in master.

Ankur <>

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