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[SPARK-4672][GraphX]Perform checkpoint() on PartitionsRDD to shorten the lineage #3549

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[SPARK-4672][GraphX]Perform checkpoint() on PartitionsRDD to shorten the lineage #3549

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52799e3
Merge pull request #1 from apache/master
JerryLead Dec 1, 2014
c0169da
Merge branch 'master' of https://github.com/apache/spark
Dec 2, 2014
ff08ed4
Merge branch 'master' of https://github.com/apache/spark
Dec 2, 2014
d1aa8d8
Perform checkpoint() on PartitionsRDD not VertexRDD and EdgeRDD thems…
Dec 2, 2014
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4 changes: 4 additions & 0 deletions graphx/src/main/scala/org/apache/spark/graphx/impl/EdgeRDDImpl.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -70,6 +70,10 @@ class EdgeRDDImpl[ED: ClassTag, VD: ClassTag] private[graphx] (
this
}

override def checkpoint() = {
partitionsRDD.checkpoint()
}

/** The number of edges in the RDD. */
override def count(): Long = {
partitionsRDD.map(_._2.size.toLong).reduce(_ + _)
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4 changes: 4 additions & 0 deletions graphx/src/main/scala/org/apache/spark/graphx/impl/VertexRDDImpl.scala
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Expand Up @@ -71,6 +71,10 @@ class VertexRDDImpl[VD] private[graphx] (
this
}

override def checkpoint() = {
partitionsRDD.checkpoint()
}

/** The number of vertices in the RDD. */
override def count(): Long = {
partitionsRDD.map(_.size).reduce(_ + _)
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