From 8e8203f3c5a49ed85a81d53c50a78a2d7f4edef3 Mon Sep 17 00:00:00 2001 From: Harsh J Date: Sun, 1 Jan 2012 12:06:49 +0000 Subject: [PATCH] HDFS-554. Use System.arraycopy in BlockInfo.ensureCapacity. (harsh) git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1226239 13f79535-47bb-0310-9956-ffa450edef68 --- hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt | 2 ++ .../apache/hadoop/hdfs/server/blockmanagement/BlockInfo.java | 4 +--- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt index f216d0515e..620b226d33 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt +++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt @@ -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) diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockInfo.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockInfo.java index c66c5cf3de..4c46d01b52 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockInfo.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockInfo.java @@ -173,9 +173,7 @@ public class BlockInfo extends Block implements LightWeightGSet.LinkedElement { * 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; }