From 0e39b8b9f78b0a660bf041192eb7b0cecc8da444 Mon Sep 17 00:00:00 2001
From: stack <stack@apache.org>
Date: Mon, 29 Dec 2014 07:44:46 -0800
Subject: [PATCH] HBASE-12762 Region with no hfiles will have the highest
 locality cost in LocalityCostFunction (cuijianwei)

---
 .../hadoop/hbase/master/balancer/StochasticLoadBalancer.java  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java
index 5119614d0d8..e58f855b1a4 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java
@@ -1026,7 +1026,9 @@ public class StochasticLoadBalancer extends BaseLoadBalancer {
         }
 
         if (index < 0) {
-          cost += 1;
+          if (regionLocations.length > 0) {
+            cost += 1;
+          }
         } else {
           cost += (double) index / (double) regionLocations.length;
         }