From 56dcad593641ef8de211fcb4303574a9f4509f89 Mon Sep 17 00:00:00 2001
From: Matei Zaharia <matei@eecs.berkeley.edu>
Date: Fri, 28 Sep 2012 23:40:56 -0700
Subject: [PATCH] Don't create a Cache in SparkEnv because we don't use it

---
 core/src/main/scala/spark/SparkEnv.scala | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/core/src/main/scala/spark/SparkEnv.scala b/core/src/main/scala/spark/SparkEnv.scala
index 280c00b486..f2a52ab356 100644
--- a/core/src/main/scala/spark/SparkEnv.scala
+++ b/core/src/main/scala/spark/SparkEnv.scala
@@ -19,7 +19,6 @@ import spark.util.AkkaUtils
  */
 class SparkEnv (
     val actorSystem: ActorSystem,
-    val cache: Cache,
     val serializer: Serializer,
     val closureSerializer: Serializer,
     val cacheTracker: CacheTracker,
@@ -33,7 +32,7 @@ class SparkEnv (
 
   /** No-parameter constructor for unit tests. */
   def this() = {
-    this(null, null, new JavaSerializer, new JavaSerializer, null, null, null, null, null, null, null)
+    this(null, new JavaSerializer, new JavaSerializer, null, null, null, null, null, null, null)
   }
 
   def stop() {
@@ -100,8 +99,6 @@ object SparkEnv {
     val closureSerializer = instantiateClass[Serializer](
       "spark.closure.serializer", "spark.JavaSerializer")
 
-    val cache = instantiateClass[Cache]("spark.cache.class", "spark.BoundedMemoryCache")
-
     val cacheTracker = new CacheTracker(actorSystem, isMaster, blockManager)
     blockManager.cacheTracker = cacheTracker
 
@@ -116,7 +113,6 @@ object SparkEnv {
 
     new SparkEnv(
       actorSystem,
-      cache,
       serializer,
       closureSerializer,
       cacheTracker,