svn commit: r1226239 - in /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs: CHANGES.txt src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockInfo.java

[harsh]

Author: harsh
Date: Sun Jan  1 12:06:49 2012
New Revision: 1226239

URL: http://svn.apache.org/viewvc?rev=1226239&view=rev
Log:
HDFS-554. Use System.arraycopy in BlockInfo.ensureCapacity. (harsh)

Modified:
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
    
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockInfo.java

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
URL: 
http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt?rev=1226239&r1=1226238&r2=1226239&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt Sun Jan  1 
12:06:49 2012
@@ -131,6 +131,8 @@ Trunk (unreleased changes)
     HDFS-2476. More CPU efficient data structure for under-replicated,
     over-replicated, and invalidated blocks. (Tomasz Nykiel via todd)
 
+    HDFS-554. Use System.arraycopy in BlockInfo.ensureCapacity. (harsh)
+
   BUG FIXES
     HDFS-2299. TestOfflineEditsViewer is failing on trunk. (Uma Maheswara Rao G
                via atm)

Modified: 
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockInfo.java
URL: 
http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockInfo.java?rev=1226239&r1=1226238&r2=1226239&view=diff
==============================================================================
--- 
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockInfo.java
 (original)
+++ 
hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockInfo.java
 Sun Jan  1 12:06:49 2012
@@ -173,9 +173,7 @@ public class BlockInfo extends Block imp
      * happen only when replication is manually increased by the user. */
     Object[] old = triplets;
     triplets = new Object[(last+num)*3];
-    for(int i=0; i < last*3; i++) {
-      triplets[i] = old[i];
-    }
+    System.arraycopy(old, 0, triplets, 0, last*3);
     return last;
   }