From 132aec7f3fb79b74ebb2b21e7640b1d66f3179da Mon Sep 17 00:00:00 2001
From: Sandy Ryza <sandy@cloudera.com>
Date: Thu, 31 Jul 2014 20:12:07 -0700
Subject: [PATCH] Heartbeat and HeartbeatResponse are already Serializable as
 case classes

---
 core/src/main/scala/org/apache/spark/HeartbeatReceiver.scala | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/core/src/main/scala/org/apache/spark/HeartbeatReceiver.scala b/core/src/main/scala/org/apache/spark/HeartbeatReceiver.scala
index 175e59082b85e..24ccce21b62ca 100644
--- a/core/src/main/scala/org/apache/spark/HeartbeatReceiver.scala
+++ b/core/src/main/scala/org/apache/spark/HeartbeatReceiver.scala
@@ -30,9 +30,8 @@ private[spark] case class Heartbeat(
     executorId: String,
     taskMetrics: Array[(Long, TaskMetrics)], // taskId -> TaskMetrics
     blockManagerId: BlockManagerId)
-  extends Serializable
 
-private[spark] case class HeartbeatResponse(reregisterBlockManager: Boolean) extends Serializable
+private[spark] case class HeartbeatResponse(reregisterBlockManager: Boolean)
 
 /**
  * Lives in the driver to receive heartbeats from executors..