apple@ubuntu:/usr/local/pgsql/bin$ ./psql postgres -p 7777 -h localhost
psql (PGXL 9.2.0, based on PG 9.2.4 (Postgres-XL 9.2.0))
Type "help" for help.

postgres=# SELECT pgxc_pool_reload();
 pgxc_pool_reload
------------------
 t
(1 row)

postgres=# INSERT INTO weather VALUES ('San Francisco', 46, 50, 0.25, '1994-11-27');
INSERT 0 0

apple@ubuntu:/usr/local/pgsql/bin$ ./psql postgres -c "select * from pgxc_node" -p 7777 -h localhost
 node_name | node_type | node_port | node_host | nodeis_primary | nodeis_preferr
ed |  node_id
-----------+-----------+-----------+-----------+----------------+---------------
---+------------
 coord1    | C         |      5432 | localhost | f              | f
   | 1885696643
 datanode1 | D         |      8888 | localhost | f              | f
   |  888802358
(2 rows)

# - Connection Settings -

    #listen_addresses = 'localhost'

    port = 7777
    max_connections = 10

pooler_port = 9999

max_pool_size = 10
#pool_conn_keepalive = 600

#pool_maintenance_timeout = 30

#persistent_datanode_connections = off

max_coordinators = 2

max_datanodes = 2


#gtm_host = '*'

gtm_port = 6666

pgxc_node_name = 'coord1'

# - Connection Settings -

    #listen_addresses = 'localhost'

    port = 8888
    max_connections = 10

pooler_port = 1010

max_pool_size = 10
#pool_conn_keepalive = 600

#pool_maintenance_timeout = 30

#persistent_datanode_connections = off

max_coordinators = 2

max_datanodes = 2


#gtm_host = '*'

gtm_port = 6666

pgxc_node_name = 'datanode1'

# TYPE  DATABASE        USER            ADDRESS                 METHOD

# "local" is for Unix domain socket connections only
local   all             all                                     trust
# IPv4 local connections:
host    all             all             127.0.0.1/32            trust
# IPv6 local connections:
host    all             all             ::1/128                 trust
# Allow replication connections from localhost, by a user with the
# replication privilege.
#local   replication     apple                                trust
#host    replication     apple        127.0.0.1/32            trust
#host    replication     apple        ::1/128                 trust