From be5509c53743a0beddda3f5798e72b919e797bd0 Mon Sep 17 00:00:00 2001
From: Suresh Srinivas <suresh@apache.org>
Date: Thu, 10 Jan 2013 23:20:46 +0000
Subject: [PATCH] HDFS-4382. Fix typo MAX_NOT_CHANGED_INTERATIONS. Contributed
 by Ted Yu.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1431726 13f79535-47bb-0310-9956-ffa450edef68
---
 hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt                   | 2 ++
 .../java/org/apache/hadoop/hdfs/server/balancer/Balancer.java | 4 ++--
 .../apache/hadoop/hdfs/server/balancer/NameNodeConnector.java | 4 ++--
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index 6145c5dac3..cab4a426cc 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -297,6 +297,8 @@ Trunk (Unreleased)
     HDFS-4261. Fix bugs in Balaner causing infinite loop and
     TestBalancerWithNodeGroup timeing out.  (Junping Du via szetszwo)
 
+    HDFS-4382. Fix typo MAX_NOT_CHANGED_INTERATIONS. (Ted Yu via suresh)
+
 Release 2.0.3-alpha - Unreleased 
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Balancer.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Balancer.java
index 049e669191..b64844ba52 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Balancer.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Balancer.java
@@ -190,7 +190,7 @@ public class Balancer {
    * balancing purpose at a datanode
    */
   public static final int MAX_NUM_CONCURRENT_MOVES = 5;
-  public static final int MAX_NO_PENDING_BLOCK_INTERATIONS = 5;
+  private static final int MAX_NO_PENDING_BLOCK_ITERATIONS = 5;
   
   private static final String USAGE = "Usage: java "
       + Balancer.class.getSimpleName()
@@ -782,7 +782,7 @@ private void dispatchBlocks() {
           noPendingBlockIteration++;
           // in case no blocks can be moved for source node's task,
           // jump out of while-loop after 5 iterations.
-          if (noPendingBlockIteration >= MAX_NO_PENDING_BLOCK_INTERATIONS) {
+          if (noPendingBlockIteration >= MAX_NO_PENDING_BLOCK_ITERATIONS) {
             scheduledSize = 0;
           }
         }
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/NameNodeConnector.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/NameNodeConnector.java
index 530a3b7e78..afec92be61 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/NameNodeConnector.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/NameNodeConnector.java
@@ -52,7 +52,7 @@
 class NameNodeConnector {
   private static final Log LOG = Balancer.LOG;
   private static final Path BALANCER_ID_PATH = new Path("/system/balancer.id");
-  private static final int MAX_NOT_CHANGED_INTERATIONS = 5;
+  private static final int MAX_NOT_CHANGED_ITERATIONS = 5;
 
   final URI nameNodeUri;
   final String blockpoolID;
@@ -127,7 +127,7 @@ boolean shouldContinue(long dispatchBlockMoveBytes) {
       notChangedIterations = 0;
     } else {
       notChangedIterations++;
-      if (notChangedIterations >= MAX_NOT_CHANGED_INTERATIONS) {
+      if (notChangedIterations >= MAX_NOT_CHANGED_ITERATIONS) {
         System.out.println("No block has been moved for "
             + notChangedIterations + " iterations. Exiting...");
         return false;