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Posted to hdfs-commits@hadoop.apache.org by sh...@apache.org on 2011/10/14 20:31:56 UTC
svn commit: r1183457 - in
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs: CHANGES.txt
src/main/java/org/apache/hadoop/hdfs/server/balancer/Balancer.java
Author: shv
Date: Fri Oct 14 18:31:55 2011
New Revision: 1183457
URL: http://svn.apache.org/viewvc?rev=1183457&view=rev
Log:
HDFS-2012. Balancer incorrectly treats nodes whose utilization equals avgUtilization. Contributed by Uma Maheswara Rao G.
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/balancer/Balancer.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=1183457&r1=1183456&r2=1183457&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt Fri Oct 14 18:31:55 2011
@@ -1733,6 +1733,9 @@ Release 0.22.0 - Unreleased
HDFS-2290. Block with corrupt replica is not getting replicated.
(Benoy Antony via shv)
+ HDFS-2012. Balancer incorrectly treats nodes whose utilization equals
+ avgUtilization. (Uma Maheswara Rao G via shv)
+
Release 0.21.1 - Unreleased
HDFS-1466. TestFcHdfsSymlink relies on /tmp/test not existing. (eli)
Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Balancer.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Balancer.java?rev=1183457&r1=1183456&r2=1183457&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Balancer.java (original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Balancer.java Fri Oct 14 18:31:55 2011
@@ -1261,12 +1261,12 @@ public class Balancer {
return datanode.utilization > (policy.getAvgUtilization()+threshold);
}
- /* Return true if the given datanode is above average utilized
+ /* Return true if the given datanode is above or equal to average utilized
* but not overUtilized */
private boolean isAboveAvgUtilized(BalancerDatanode datanode) {
final double avg = policy.getAvgUtilization();
return (datanode.utilization <= (avg+threshold))
- && (datanode.utilization > avg);
+ && (datanode.utilization >= avg);
}
/* Return true if the given datanode is underUtilized */