/var/opt/rh/rh-postgresql10/lib/pgsql/data/postgresql.conf
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log_autovacuum_min_duration = '0'
log_checkpoints = 'True'
log_connections = 'True'
log_disconnections = 'True'
log_line_prefix = '%m [%r] [%p]: [l-%l] user=%u,db=%d,app=%a,e=%e, prcstm=%s '
log_lock_waits = 'True'
log_min_duration_statement = 900

max_connections = 512
shared_buffers = 4800MB
work_mem = 8MB
maintenance_work_mem = 600MB
effective_cache_size = 12000MB


select * from pg_settings where name like 'autovacuum%';