On Tue, Apr 07, 2026 at 10:53:36AM +0200, Chris Hofstaedtler wrote:
> Sorry for the lack of followup. Currently we are thinking our problem
> matches the bug described in
> https://postgr.es/m/044401dcabac$fe432490$fac96db0$@icloud.com
> ("[BUG + PATCH] DSA pagemap out-of-bounds in make_new_segment odd-sized
> path").
That smells like the same problem to me.
> For now our plan is to wait for the next 18.x stable release, and then reenable
> enable_parallel_hash. Then see if it occours again.
The next minor release is planned for the 14th of May, as per:
https://www.postgresql.org/developer/roadmap/
Please let us know how it goes, in case we have a different problem at
hand. You could as well cherry-pick 4da2afd01f93 in your builds of
v18, and give it a try in a non-production environment.
--
Michael