lower log levels

Change-Id: I48feba520fe72b531d3b6c36309216c549d599ca

@@ -282,7 +282,7 @@ public class LeadershipManager implements LeadershipService {
         @Override
         public void handle(ClusterMessage message) {
             LeadershipEvent event = SERIALIZER.decode(message.payload());
-            log.debug("Received {} from {}", event, message.sender());
+            log.trace("Received {} from {}", event, message.sender());
             notifyListeners(event);
         }
     }

@@ -211,7 +211,7 @@ public class HazelcastIntentBatchQueue
     private class InternalLeaderListener implements LeadershipEventListener {
         @Override
         public void event(LeadershipEvent event) {
-            log.debug("Leadership Event: time = {} type = {} event = {}",
+            log.trace("Leadership Event: time = {} type = {} event = {}",
                       event.time(), event.type(), event);
 
             String topic = event.subject().topic();

@@ -158,7 +158,7 @@ public class DatabaseEntryExpirationTracker implements
 
         @Override
         public void run() {
-            log.debug("Received an expiration event for {}, version: {}", row, version);
+            log.trace("Received an expiration event for {}, version: {}", row, version);
             Map<DatabaseRow, Long> map = tableEntryExpirationMap.get(row.tableName);
             try {
                 if (isLocalMemberLeader.get()) {