Github user mateiz commented on a diff in the pull request:
https://github.com/apache/spark/pull/497#discussion_r12340674
--- Diff:
graphx/src/main/scala/org/apache/spark/graphx/impl/Serializers.scala ---
@@ -26,6 +26,33 @@ import org.apache.spark.serializer._
import scala.language.existentials
private[graphx]
+class RoutingTableMessageSerializer extends Serializer with Serializable {
+ override def newInstance(): SerializerInstance = new
ShuffleSerializerInstance {
+
+ override def serializeStream(s: OutputStream) = new
ShuffleSerializationStream(s) {
+ def writeObject[T](t: T) = {
+ val msg = t.asInstanceOf[RoutingTableMessage]
+ writeVarLong(msg.vid, optimizePositive = false)
+ writeUnsignedVarInt(msg.pid)
+ // TODO: Write only the bottom two bits of msg.position
+ s.write(msg.position)
+ this
+ }
+ }
+
+ override def deserializeStream(s: InputStream) = new
ShuffleDeserializationStream(s) {
--- End diff --
Add an explicit return type
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