Monitoring legacy connection load balancing

Query the LOAD_BALANCE_POLICY column of the V_CATALOG.DATABASES to determine the state of native connection load balancing on your server:

=> SELECT LOAD_BALANCE_POLICY FROM V_CATALOG.DATABASES;
LOAD_BALANCE_POLICY
---------------------
roundrobin
(1 row)

Determining to which node a client has connected

A client can determine the node to which is has connected by querying the NODE_NAME column of the V_MONITOR.CURRENT_SESSION table:

=> SELECT NODE_NAME FROM V_MONITOR.CURRENT_SESSION;
NODE_NAME
------------------
v_vmart_node0002
(1 row)