ODIn/spark-instrumented-optimizer
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removing completely unnecessary map operation.

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Joseph E. Gonzalez 2013-10-30 20:07:26 -07:00
parent 003f8a505d
commit 09ea661bbb
1 changed files with 0 additions and 1 deletions
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graph/src/main/scala/org/apache/spark/graph/GraphLoader.scala
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@ -55,7 +55,6 @@ object GraphLoader {
private def fromEdges[ED: ClassManifest](edges: RDD[Edge[ED]]): GraphImpl[Int, ED] = { private def fromEdges[ED: ClassManifest](edges: RDD[Edge[ED]]): GraphImpl[Int, ED] = {
val vertices = edges.flatMap { edge => List((edge.srcId, 1), (edge.dstId, 1)) } val vertices = edges.flatMap { edge => List((edge.srcId, 1), (edge.dstId, 1)) }
.reduceByKey(_ + _) .reduceByKey(_ + _)
.map{ case (vid, degree) => (vid, degree) }
GraphImpl(vertices, edges, 0) GraphImpl(vertices, edges, 0)
} }
} }