From 568bdaf8ae784c9b832f564cb99f1b81ad487f73 Mon Sep 17 00:00:00 2001
From: Matei Zaharia <matei@eecs.berkeley.edu>
Date: Mon, 25 Feb 2013 14:34:55 -0800
Subject: [PATCH] Set spark.deploy.spreadOut to true by default in 0.7
 (improves locality)

---
 core/src/main/scala/spark/deploy/master/Master.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/main/scala/spark/deploy/master/Master.scala b/core/src/main/scala/spark/deploy/master/Master.scala
index b7f167425f..d5188a4779 100644
--- a/core/src/main/scala/spark/deploy/master/Master.scala
+++ b/core/src/main/scala/spark/deploy/master/Master.scala
@@ -43,7 +43,7 @@ private[spark] class Master(ip: String, port: Int, webUiPort: Int) extends Actor
   // As a temporary workaround before better ways of configuring memory, we allow users to set
   // a flag that will perform round-robin scheduling across the nodes (spreading out each app
   // among all the nodes) instead of trying to consolidate each app onto a small # of nodes.
-  val spreadOutApps = System.getProperty("spark.deploy.spreadOut", "false").toBoolean
+  val spreadOutApps = System.getProperty("spark.deploy.spreadOut", "true").toBoolean
 
   override def preStart() {
     logInfo("Starting Spark master at spark://" + ip + ":" + port)
-- 
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