protected static void addOrUpdateNamespace(MasterProcedureEnv env, NamespaceDescriptor ns)
    throws IOException {
    getTableNamespaceManager(env).addOrUpdateNamespace(ns);
  }
Insert/update the row into the ns family of meta table.
@param env MasterProcedureEnv
hbase-server/src/main/java/org/apache/hadoop/hbase/master/procedure/AbstractStateMachineNamespaceProcedure.java