RE: PG16 walsender hangs in ResourceArrayEnlarge using pgoutput - Mailing list pgsql-bugs

On Wednesday, June 26, 2024 1:25 PM Amit Kapila <amit.kapila16@gmail.com> wrote:
> 
> On Wed, Jun 26, 2024 at 10:35 AM Amit Kapila <amit.kapila16@gmail.com>
> wrote:
> >
> > On Tue, Jun 25, 2024 at 5:17 PM Zhijie Hou (Fujitsu)
> > <houzj.fnst@fujitsu.com> wrote:
> > >
> > > On Tuesday, June 25, 2024 3:53 PM Bowen Shi
> <zxwsbg12138@gmail.com>  wrote:
> > >
> > > Thanks for reporting and analyzing the issue !
> > >
> > > You analysis looks good to me, I think I missed to drop the newly
> > > created slot when changing the logic to support row filter. Here is
> > > a small patch to drop the slots in each cycle, it can fix the issue on my
> machine.
> > >
> > > IIUC, the issue exists from PG15~HEAD. The current patch can apply
> > > on PG16~HEAD, If it looks ok, I will test and prepare the patch for
> > > the other branch.
> > >
> >
> > IIUC, the relevant code was added in commit
> > da324d6cd45bbbcc1682cc2fcbc4f575281916af. This is a PG16 commit, so
> > how can the problem occur in PG15?
> >
> 
> I see that originally the slot allocation code was introduced in commit
> 52e4f0cd472d39d07732b99559989ea3b615be78 but later the code refactored in
> da324d6cd45bbbcc1682cc2fcbc4f575281916af. So, I agree that we must also
> fix this in PG15.

Thanks for confirming! Here are the patches for all branches.
I am researching the comment for resource owner and will reply later.

Best Regards,
Hou zj