YARN-5693. Reduce loglevel to Debug in ContainerManagementProtocolProxy and AMRMClientImpl (yufeigu via rkanter)

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/api/impl/AMRMClientImpl.java

@@ -455,10 +455,12 @@ public class AMRMClientImpl<T extends ContainerRequest> extends AMRMClient<T> {
   protected void populateNMTokens(List<NMToken> nmTokens) {
     for (NMToken token : nmTokens) {
       String nodeId = token.getNodeId().toString();
-      if (getNMTokenCache().containsToken(nodeId)) {
-        LOG.info("Replacing token for : " + nodeId);
-      } else {
-        LOG.info("Received new token for : " + nodeId);
+      if (LOG.isDebugEnabled()) {
+        if (getNMTokenCache().containsToken(nodeId)) {
+          LOG.debug("Replacing token for : " + nodeId);
+        } else {
+          LOG.debug("Received new token for : " + nodeId);
+        }
       }
       getNMTokenCache().setToken(nodeId, token.getToken());
     }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/api/impl/ContainerManagementProtocolProxy.java

@@ -78,8 +78,11 @@ public class ContainerManagementProtocolProxy {
           YarnConfiguration.NM_CLIENT_MAX_NM_PROXIES
               + " (" + maxConnectedNMs + ") can not be less than 0.");
     }
-    LOG.info(YarnConfiguration.NM_CLIENT_MAX_NM_PROXIES + " : "
-        + maxConnectedNMs);
+
+    if (LOG.isDebugEnabled()) {
+      LOG.debug(YarnConfiguration.NM_CLIENT_MAX_NM_PROXIES + " : " +
+          maxConnectedNMs);
+    }
 
     if (maxConnectedNMs > 0) {
       cmProxy =