From e1bbf7dcdfc30a61a2b10bef09c59ff17d290488 Mon Sep 17 00:00:00 2001
From: Weiwei Yang <wwei@apache.org>
Date: Thu, 8 Nov 2018 17:47:18 +0800
Subject: [PATCH] YARN-8988. Reduce the verbose log on RM heartbeat path when
 distributed node-attributes is enabled. Contributed by Tao Yang.

---
 .../nodelabels/NodeAttributesManagerImpl.java               | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/nodelabels/NodeAttributesManagerImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/nodelabels/NodeAttributesManagerImpl.java
index e5247888d7..83c59832eb 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/nodelabels/NodeAttributesManagerImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/nodelabels/NodeAttributesManagerImpl.java
@@ -221,8 +221,10 @@ protected void internalUpdateAttributesOnNodes(
 
       // Notify RM
       if (rmContext != null && rmContext.getDispatcher() != null) {
-        LOG.info("Updated NodeAttribute event to RM:" + newNodeToAttributesMap
-            .values());
+        if (LOG.isDebugEnabled()) {
+          LOG.debug("Updated NodeAttribute event to RM:"
+              + newNodeToAttributesMap.values());
+        }
         rmContext.getDispatcher().getEventHandler().handle(
             new NodeAttributesUpdateSchedulerEvent(newNodeToAttributesMap));
       }