#effective_io_concurrency = 1# 1-1000; 0 disables prefetching

#max_worker_processes = 8# (change requires restart)

#max_parallel_workers_per_gather = 2# taken from max_parallel_workers

#parallel_leader_particulation = on

#parallel_leader_participation = on

#max_parallel_workers = 8# maximum number of max_worker_processes that

# can be used in parallel queries

#old_snapshot_threshold = -1# 1min-60d; -1 disables; 0 is immediate