Merge -r 1414646:1414647 from trunk to branch-2. Fixes: YARN-224. Fair scheduler logs too many nodeUpdate INFO messages. Contributed by Sandy Ryza.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1414648 13f79535-47bb-0310-9956-ffa450edef68

hadoop-yarn-project/CHANGES.txt

@@ -89,6 +89,9 @@ Release 2.0.3-alpha - Unreleased
     YARN-184. Remove unnecessary locking in fair scheduler, and address 
     findbugs excludes. (sandyr via tucu)
 
+    YARN-224. Fair scheduler logs too many nodeUpdate INFO messages.
+    (Sandy Ryza via tomwhite)
+
 Release 2.0.2-alpha - 2012-09-07 
 
     YARN-9. Rename YARN_HOME to HADOOP_YARN_HOME. (vinodkv via acmurthy)

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FairScheduler.java

@@ -723,7 +723,9 @@ public class FairScheduler implements ResourceScheduler {
   private synchronized void nodeUpdate(RMNode nm,
       List<ContainerStatus> newlyLaunchedContainers,
       List<ContainerStatus> completedContainers) {
-    LOG.info("nodeUpdate: " + nm + " cluster capacity: " + clusterCapacity);
+    if (LOG.isDebugEnabled()) {
+      LOG.debug("nodeUpdate: " + nm + " cluster capacity: " + clusterCapacity);
+    }
     eventLog.log("HEARTBEAT", nm.getHostName());
     FSSchedulerNode node = nodes.get(nm.getNodeID());