Update default value in config definition as well
@@ -51,4 +51,4 @@ tlsForClientServerCommunication enum { OFF, PORT_UNIFICATION, TLS_WITH_PORT_UNIF
jksKeyStoreFile string default="conf/zookeeper/zookeeper.jks"
dynamicReconfiguration bool default=false
-snapshotMethod string default=""
+snapshotMethod string default="gz"
