PG version is not seen in pg_upgrade test log

Hello! I ran pg_upgrade tests (make check -C src/bin/pg_upgrade) and found that test log does not contain PG version: (file: src/bin/pg_upgrade/tmp_check/log/regress_log_002_pg_upgrade) Name: old_node Data directory: /home/dev/code/postgrespro3/src/bin/pg_upgrade/tmp_check/t_002_pg_upgr

Improve the test src/test/postmaster/t/003_start_stop.pl

Hello, This is about the TAP test src/test/postmaster/t/003_start_stop.pl. The test contains a loop that performs 21 iterations in order to occupy all possible connections. We could calculate the number of available connections more accurately. It relates to the size of backend pool that is defi