Re: Avoid unnecessary server restarts in the Kerberos TAP test

On Mon, Aug 03, 2026 at 09:59:38AM +0530, Ayush Tiwari wrote:
> While reading src/test/kerberos/t/001_auth.pl I noticed it restarts the
> server after every configuration change, even though none of them needs a
> restart. gss_accept_delegation is a PGC_SIGHUP parameter, and pg_hba.conf
> and pg_ident.conf are re-read on SIGHUP, so a reload is sufficient in every
> case. The rest of the authentication suite already relies on this, via the
> reset_pg_hba() helper that reloads rather than restarts.
>
> The attached patch replaces the seven restarts with reloads. The test
> still passes here (142 tests) and is a little quicker, since it no longer
> bounces the postmaster seven times.

Wouldn't that be problematic for EXEC_BACKEND or WIN32, as the
configuration is passed down from a postmaster to the backends started
with their dedicated commands?

We have had quite a few discussions regarding the reload of ident and
hba rules when working on 004_file_inclusion.pl regarding that, FWIW,
and the limitations a reload involved in the scope of the TAP tests.
--
Michael