YARN-6493. Print requested node partition in assignContainer logs. (Jonathan Hung via wangda)

Change-Id: Ib20326daac10acad363befb0ae0998441fa5b32d
(cherry picked from commit 8e0f83e49a8987cf45a72c8a9bb8587b86e4c0ed)

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/AbstractContainerAllocator.java

@@ -126,7 +126,9 @@ public abstract class AbstractContainerAllocator {
         LOG.info("assignedContainer" + " application attempt=" + application
             .getApplicationAttemptId() + " container=" + updatedContainer
             .getContainerId() + " queue=" + this + " clusterResource="
-            + clusterResource + " type=" + assignment.getType());
+            + clusterResource + " type=" + assignment.getType()
+            + " requestedPartition="
+            + updatedContainer.getNodeLabelExpression());
 
         assignment.getAssignmentInformation().addAllocationDetails(
             updatedContainer, application.getCSLeafQueue().getQueuePath());
@@ -183,4 +185,4 @@ public abstract class AbstractContainerAllocator {
   public abstract CSAssignment assignContainers(Resource clusterResource,
       PlacementSet<FiCaSchedulerNode> ps, SchedulingMode schedulingMode,
       ResourceLimits resourceLimits, RMContainer reservedContainer);
-}
+}