[SPARK-4672][GraphX]Non-transient PartitionsRDDs will lead to StackOverflow error #3544
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The related JIRA is https://issues.apache.org/jira/browse/SPARK-4672
In a nutshell, if
val partitionsRDD
in EdgeRDDImpl and VertexRDDImpl are non-transient, the serialization chain can become very long in iterative algorithms and finally lead to the StackOverflow error. More details and explanation can be found in the JIRA.