Origin for each line in counter.upstream.conf from check-in 38ec946cba:

38ec946cba 2014-07-03    1: upstream counter {
38ec946cba 2014-07-03    2: 	postgres_server 127.0.0.1 dbname=test user=test password=test;
38ec946cba 2014-07-03    3: 	postgres_keepalive max=4 mode=multi overflow=ignore;
38ec946cba 2014-07-03    4: }