HDFS-11845. Ozone: Output error when DN handshakes with SCM. Contributed by Weiwei Yang

hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/scm/ScmConfigKeys.java

@@ -122,7 +122,7 @@ public final class ScmConfigKeys {
   public static final String OZONE_SCM_HEARTBEAT_RPC_TIMEOUT =
       "ozone.scm.heartbeat.rpc-timeout";
   public static final long OZONE_SCM_HEARTBEAT_RPC_TIMEOUT_DEFAULT =
-      100;
+      1000;
 
   /**
    * Defines how frequently we will log the missing of heartbeat to a specific