svn commit: r1531224 - in /hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs: CHANGES.txt src/main/java/org/apache/hadoop/hdfs/util/LightWeightHashSet.java

[llu]

Author: llu
Date: Fri Oct 11 08:27:32 2013
New Revision: 1531224

URL: http://svn.apache.org/r1531224
Log:
HDFS-5276. Remove volatile from LightWeightHashSet. (Junping Du via llu)

Modified:
    hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
    
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/util/LightWeightHashSet.java

Modified: 
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
URL: 
http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt?rev=1531224&r1=1531223&r2=1531224&view=diff
==============================================================================
--- hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt 
(original)
+++ hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt 
Fri Oct 11 08:27:32 2013
@@ -14,6 +14,8 @@ Release 2.3.0 - UNRELEASED
 
   IMPROVEMENTS
 
+    HDFS-5276. Remove volatile from LightWeightHashSet. (Junping Du via llu)
+
     HDFS-4657.  Limit the number of blocks logged by the NN after a block
     report to a configurable value.  (Aaron T. Myers via Colin Patrick
     McCabe)

Modified: 
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/util/LightWeightHashSet.java
URL: 
http://svn.apache.org/viewvc/hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/util/LightWeightHashSet.java?rev=1531224&r1=1531223&r2=1531224&view=diff
==============================================================================
--- 
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/util/LightWeightHashSet.java
 (original)
+++ 
hadoop/common/branches/branch-2/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/util/LightWeightHashSet.java
 Fri Oct 11 08:27:32 2013
@@ -88,7 +88,7 @@ public class LightWeightHashSet<T> imple
    *
    * @see ConcurrentModificationException
    */
-  protected volatile int modification = 0;
+  protected int modification = 0;
 
   private float maxLoadFactor;
   private float minLoadFactor;
@@ -634,4 +634,4 @@ public class LightWeightHashSet<T> imple
   public boolean retainAll(Collection<?> c) {
     throw new UnsupportedOperationException("retainAll is not supported.");
   }
-}
\ No newline at end of file
+}