Andres Freund <andres@anarazel.de> wrote:
> On 2026-04-12 15:31:20 +0200, Mihail Nikalayeu wrote:
> > Instead of cancelling the backend entered the deadlock detector - it
> > cancel some another (nearest hard edge) until it is possible to get the
> > lock (either by
> > reordering or directly).
>
> I don't think that's as good. The problem is that that way you're only
> detecting the deadlocks once they have materialized (i.e. once repack actually
> does the lock upgrade), rather than cancelling when we know that the problem
> starts.
This is my hack that tries to do that.
--
Antonin Houska
Web: https://www.cybertec-postgresql.com