From cefa21e98a12b06602ee8000f8cef6c3b17af999 Mon Sep 17 00:00:00 2001
From: Tsz-Wo Nicholas Sze <szetszwo@hortonworks.com>
Date: Thu, 4 Aug 2016 09:45:40 -0700
Subject: [PATCH] In Balancer, the target task should be removed when its size
 < 0.  Contributed by Yiqun Lin

---
 .../java/org/apache/hadoop/hdfs/server/balancer/Dispatcher.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Dispatcher.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Dispatcher.java
index 8f81c19236c..9bf549a059b 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Dispatcher.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Dispatcher.java
@@ -734,7 +734,7 @@ private PendingMove chooseNextMove() {
             long blockSize = pendingBlock.block.getNumBytes();
             incScheduledSize(-blockSize);
             task.size -= blockSize;
-            if (task.size == 0) {
+            if (task.size <= 0) {
               i.remove();
             }
             return pendingBlock;