YARN-3097. Logging of resource recovery on NM restart has redundancies. Contributed by Eric Payne

(cherry picked from commit 8f65c793f2930bfd16885a2ab188a9970b754974)

hadoop-yarn-project/CHANGES.txt

@@ -248,6 +248,8 @@ Release 2.8.0 - UNRELEASED
     YARN-1993. Cross-site scripting vulnerability in TextView.java. (Kenji Kikushima
     via ozawa)
 
+    YARN-3097. Logging of resource recovery on NM restart has redundancies
+    (Eric Payne via jlowe)
 
 Release 2.7.1 - UNRELEASED
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ResourceLocalizationService.java

@@ -303,8 +303,10 @@ public class ResourceLocalizationService extends CompositeService
     for (LocalizedResourceProto proto : state.getLocalizedResources()) {
       LocalResource rsrc = new LocalResourcePBImpl(proto.getResource());
       LocalResourceRequest req = new LocalResourceRequest(rsrc);
-      LOG.info("Recovering localized resource " + req + " at "
-          + proto.getLocalPath());
+      if (LOG.isDebugEnabled()) {
+        LOG.debug("Recovering localized resource " + req + " at "
+            + proto.getLocalPath());
+      }
       tracker.handle(new ResourceRecoveredEvent(req,
           new Path(proto.getLocalPath()), proto.getSize()));
     }