HDDS-1706. Replication Manager thread running too frequently. Contributed by Nilotpal Nandi.

hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/ReplicationManager.java

@@ -764,7 +764,7 @@ public class ReplicationManager {
 
     @Config(key = "thread.interval",
         type = ConfigType.TIME,
-        defaultValue = "3s",
+        defaultValue = "300s",
         tags = {SCM, OZONE},
         description = "When a heartbeat from the data node arrives on SCM, "
             + "It is queued for processing with the time stamp of when the "