-default[:postgresql][:settings][:defaults][:effective_io_concurrency] = "1"
-default[:postgresql][:settings][:defaults][:wal_level] = "minimal"
+default[:postgresql][:settings][:defaults][:effective_io_concurrency] = "256"
+default[:postgresql][:settings][:defaults][:max_worker_processes] = "8"
+default[:postgresql][:settings][:defaults][:max_parallel_workers_per_gather] = "2"
+default[:postgresql][:settings][:defaults][:max_parallel_workers] = "8"
+default[:postgresql][:settings][:defaults][:wal_level] = "replica"