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From cnaur...@apache.org
Subject [3/3] hadoop git commit: HDFS-9761. Rebalancer sleeps too long between iterations. Contributed by Mingliang Liu.
Date Fri, 05 Feb 2016 23:43:06 GMT
HDFS-9761. Rebalancer sleeps too long between iterations. Contributed by Mingliang Liu.

(cherry picked from commit c6497949e866594050153b953a85c0a1db59d2f8)
(cherry picked from commit a7232f5e1d20faf210f3718c551cbae4edb5933c)


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/bad8006d
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/bad8006d
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/bad8006d

Branch: refs/heads/branch-2.8
Commit: bad8006da1a544560ad564465d7fa8e4dd1f8311
Parents: e01d839
Author: cnauroth <cnauroth@apache.org>
Authored: Fri Feb 5 15:07:43 2016 -0800
Committer: cnauroth <cnauroth@apache.org>
Committed: Fri Feb 5 15:08:07 2016 -0800

----------------------------------------------------------------------
 hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt                   | 3 +++
 .../java/org/apache/hadoop/hdfs/server/balancer/Balancer.java | 7 +++----
 2 files changed, 6 insertions(+), 4 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/bad8006d/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index 0e1ae4b..ccd8321 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -1721,6 +1721,9 @@ Release 2.8.0 - UNRELEASED
     HDFS-9601. NNThroughputBenchmark.BlockReportStats should handle
     NotReplicatedYetException on adding block (iwasakims)
 
+    HDFS-9761. Rebalancer sleeps too long between iterations
+    (Mingliang Liu via cnauroth)
+
 Release 2.7.3 - UNRELEASED
 
   INCOMPATIBLE CHANGES

http://git-wip-us.apache.org/repos/asf/hadoop/blob/bad8006d/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/balancer/Balancer.java
----------------------------------------------------------------------
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 dcae922..8be62ac 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
@@ -673,14 +673,13 @@ public class Balancer {
               // must be an error statue, return.
               return r.exitStatus.getExitCode();
             }
-
-            if (!done) {
-              Thread.sleep(sleeptime);
-            }
           } else {
             LOG.info("Skipping blockpool " + nnc.getBlockpoolID());
           }
         }
+        if (!done) {
+          Thread.sleep(sleeptime);
+        }
       }
     } finally {
       for(NameNodeConnector nnc : connectors) {


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