cluster_name (string)Set the cluster name that this instance of slon is running against. The default is to read it off the command line.
conn_info (string)Set slon's connection info; default is to read it off the command line.
sql_on_connection (string)Execute this SQL on each node at slon connect time. Useful to set logging levels, or to tune the planner/memory settings. You can specify multiple statements by separating them with a ;