Re: Logical replication 'ERROR: invalid memory alloc request size 1831213792' after upgrading to 15.13

Hi, will this be fixed in 15.14?

El mar, 17 jun 2025 a las 13:45, Masahiko Sawada (<sawada(dot)mshk(at)gmail(dot)com>)
escribió:

> On Mon, Jun 9, 2025 at 7:09 PM Hayato Kuroda (Fujitsu)
> <kuroda(dot)hayato(at)fujitsu(dot)com> wrote:
> >
> > Dear Braulio,
> >
> > > Hi, I'm having the issue with PG 15.13. We tried adding more memory
> > > (logical_decoding_work_mem) to 5 GB, but it still doesn't work, and
> the process
> > > "replicate" stops with the following error:
> > > "CDC Fetch Failed: An unexpected connection error occurred while
> attempting to
> > > replicate data from the source. Make sure your connection profile
> settings are
> > > correct. If the problem persists, contact Google Support."
> > > "ERROR: Invalid memory allocation request, size 1674007328."
> > > We have another environment with PG 15.12, and it works perfectly.
> > > This case has have relation with
> https://www.postgresql.org/message-id/CALDaNm2sGfKsZwm8rG132N_i0AvyxkYu8TL46kNcx7KwAUABxA%40mail.gmail.com
> >
> > Thanks for reporting. Yes, I also feel that you faced the same issue.
> Since the
> > issue happens lower layer than the logical decoding,
> logical_decoding_work_mem
> > can't work to avoid the ERROR. We are discussing how we fix.
>
> And I pushed the fix for this issue[1].
>
> Regards,
>
> [1]
> https://git.postgresql.org/gitweb/?p=postgresql.git;a=commit;h=d87d07b7ad3b782cb74566cd771ecdb2823adf6a
>
> --
> Masahiko Sawada
> Amazon Web Services: https://aws.amazon.com
>

--