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 use all possible
connection slots. We could calculate the number of available connections more
accurately. It relates to the size of backend pool that is defined in
src/backend/postmaster/pmchild.c:
pmchild_pools[B_BACKEND].size = 2 * (MaxConnections + max_wal_senders);
There are two points here: (1) in current implementation the test performs 11
extra iterations instead of 10 that are really needed. (2) We need to change
the hardcoded value every time if the number of max connections or the number
of max wal senders are changed. If we use 2 * (MaxConnections +
max_wal_senders) the test becomes a bit convinent.
The patch attached.
Best regards,
Alexander Potapov
0001-Improve-the-test-src-test-postmaster-t-003_start_sto.patch
Description: Binary data
