Re: BUG #16925: ERROR: invalid DSA memory alloc request size 1073741824 CONTEXT: parallel worker

From: Alexander Korotkov <aekorotkov(at)gmail(dot)com>
To: Andrei Lepikhov <a(dot)lepikhov(at)postgrespro(dot)ru>
Cc: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, PostgreSQL mailing lists <pgsql-bugs(at)lists(dot)postgresql(dot)org>, "a(dot)rybakina" <a(dot)rybakina(at)postgrespro(dot)ru>
Subject: Re: BUG #16925: ERROR: invalid DSA memory alloc request size 1073741824 CONTEXT: parallel worker
Date: 2024-01-07 07:31:44
Message-ID: CAPpHfdvVE8d2MynYHHZe2Nw2eoc9env4QVoTHYATsXcAvU3KVQ@mail.gmail.com
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On Mon, Dec 11, 2023 at 4:26 AM Andrei Lepikhov
<a(dot)lepikhov(at)postgrespro(dot)ru> wrote:
> On 10/12/2023 09:41, Thomas Munro wrote:
> > On Wed, Dec 6, 2023 at 5:46 PM Andrei Lepikhov
> > <a(dot)lepikhov(at)postgrespro(dot)ru> wrote:
> >> This bug still annoyingly interrupts the queries of some clients. Maybe
> >> complete this work?
> >
> > Ugh, sorry. We had a report, a repro and a candidate patch a couple
> > of years ago, but I somehow completely forgot about it. I have now
> > added a CF entry (#4689).
>
> Thanks. I think the Parallel Hash Join code is worth discovering extreme
> cases anyway, but in that case, we have quite a clear bug and must fix it.

Thank you. I've pushed and backpatched this to PG 12 with some editing from me.

------
Regards,
Alexander Korotkov

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