def METHOD_NAME(self):
    self._run_query(
        "alter system set autovacuum_max_workers to 20;")
    self._run_query(
        "alter system set autovacuum_analyze_scale_factor to 0.01;")
    self._run_query(
        "alter system set autovacuum_vacuum_scale_factor to 0.02;")
    self._run_query(
        "alter system set vacuum_cost_delay to 1;")