Mark Rostron <mrostron@xxxxxxx> writes: > Can anyone please tell me how to interpret the (S_nn/C_nn) information in the log line. > LOG: duration: 19817.211 ms execute S_73/C_74: ....(statement text) ..... It's prepared statement name slash portal name. You'd have to look at your client-side code to find out what the names refer to. regards, tom lane -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance