From: | Ajin Cherian <itsajin(at)gmail(dot)com> |
---|---|
To: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
Cc: | Peter Smith <smithpb2250(at)gmail(dot)com>, "houzj(dot)fnst(at)fujitsu(dot)com" <houzj(dot)fnst(at)fujitsu(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Hubert Lubaczewski <depesz(at)depesz(dot)com>, PostgreSQL mailing lists <pgsql-bugs(at)lists(dot)postgresql(dot)org> |
Subject: | Re: Excessive number of replication slots for 12->14 logical replication |
Date: | 2022-08-12 03:44:33 |
Message-ID: | CAFPTHDZ53seBTgvBE8bWayGOELt3njKOuaj_t+vpZuuMxXw=tQ@mail.gmail.com |
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Lists: | pgsql-bugs |
On Fri, Aug 12, 2022 at 11:28 AM Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> wrote:
>
> On Fri, Aug 12, 2022 at 12:04 AM Ajin Cherian <itsajin(at)gmail(dot)com> wrote:
> >
> > On Thu, Aug 4, 2022 at 5:42 PM Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> wrote:
> > >
> > > Thank you for working on this. I have a comment and a question:
> > >
> > > * This has to be done after updating the state
> > > because otherwise if
> > > * there is an error while doing the database
> > > operations we won't be
> > > - * able to rollback dropped slot.
> > > + * able to rollback dropped slot or origin tracking.
> > >
> > > I think we can actually roll back dropping the replication origin. So
> > > the above comment is true for only replication slots.
> > >
> >
> > Fixed this.
>
> Thank you for updating the patch.
>
> /*
> - * Cleanup the tablesync slot.
> + * Cleanup the origin tracking and tablesync slot.
> *
> * This has to be done after updating the state
> because otherwise if
> * there is an error while doing the database
> operations we won't be
> * able to rollback dropped slot.
> */
>
> The first paragraph mentioned the cleanup of both tablesync slot and
> origin, but the second paragraph mentioned only the tablesync slot
> despite "this" probably meaning the cleanup of both. I think that we
> can just add the comment for dropping the origin while not touching
> the comment for dropping the slot.
>
> The rest looks good to me.
>
Updated.
regards,
Ajin Cherian
Fujitsu Australia
Attachment | Content-Type | Size |
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v7-0001-fix-excessive-replication-origin-slots-issue.patch | application/octet-stream | 5.0 KB |
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