wal_level = logical
standby_slot_names = 'standby_1' 
max_wal_senders=550
max_replication_slots=550 
log_replication_commands = 'on' 
checkpoint_timeout = 1d 
shared_buffers = 40GB 
max_worker_processes = 32 
max_parallel_maintenance_workers = 24 
max_parallel_workers = 32 
synchronous_commit = off 
max_wal_size = 24GB 
min_wal_size = 15GB 
autovacuum = off 
