> I think it would more make > sense to maintain the existing autovacuum_max_workers parameter while > introducing a new parameter that would either control the maximum > number of parallel vacuum workers per autovacuum worker or set a > system-wide cap on the total number of parallel vacuum workers.
+1, and would it make sense for parallel workers to come from max_parallel_maintenance_workers? This is capped by max_parallel_workers and max_worker_processes, so increasing the defaults for all 3 will be needed as well. -- Sami
