@Override
        public Void call() throws Exception {
          try (Connection conn = getConnection()) {
            conn.getAdmin().majorCompact(tn);
            return null;
          }
        }
Test class to verify that the HBase superuser can override quotas.
hbase-server/src/test/java/org/apache/hadoop/hbase/quotas/TestSuperUserQuotaPermissions.java