YARN-305. Fair scheduler logs too many "Node offered to app" messages. (Lohit Vijayarenu via Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1531818 13f79535-47bb-0310-9956-ffa450edef68

hadoop-yarn-project/CHANGES.txt

@@ -71,6 +71,9 @@ Release 2.2.1 - UNRELEASED
 
   IMPROVEMENTS
 
+    YARN-305. Fair scheduler logs too many "Node offered to app" messages.
+    (Lohit Vijayarenu via Sandy Ryza)
+
   OPTIMIZATIONS
 
   BUG FIXES

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

@@ -268,7 +268,9 @@ public class AppSchedulable extends Schedulable {
   }
 
   private Resource assignContainer(FSSchedulerNode node, boolean reserved) {
-    LOG.info("Node offered to app: " + getName() + " reserved: " + reserved);
+    if (LOG.isDebugEnabled()) {
+      LOG.debug("Node offered to app: " + getName() + " reserved: " + reserved);
+    }
 
     if (reserved) {
       RMContainer rmContainer = node.getReservedContainer();

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

@@ -146,7 +146,7 @@ public class FSLeafQueue extends FSQueue {
   public Resource assignContainer(FSSchedulerNode node) {
     Resource assigned = Resources.none();
     if (LOG.isDebugEnabled()) {
-      LOG.debug("Node offered to queue: " + getName());
+      LOG.debug("Node " + node.getNodeName() + " offered to queue: " + getName());
     }
 
     if (!assignContainerPreCheck(node)) {