From: pgsql-hackers-owner@postgresql.org
> [mailto:pgsql-hackers-owner@postgresql.org] On Behalf Of Tsunakawa,> Takayuki
> Instead, I think we should fix the program to match the documented behavior.
> Otherwise, if the first database machine is down, libpq might wait for about
> 2 hours (depending on the OS's TCP keepalive setting), during which it tims
> out after connect_timeout and does not attempt to connect to other hosts.
>
> I'll add this item in the PostgreSQL 10 Open Items.
Please use the attached patch to fix the problem. I confirmed the success as follows:
$ add "post_auth_delay = 10" in postgresql.conf on host1
$ start database servers on host1 and host2
$ psql -h host1,host2 -p 5432,5433 -d "dbname=postgres connect_timeout=3"
(psql connected to host2 after 3 seconds, which I checked with \conninfo)
Regards
Takayuki Tsunakawa
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