| From: | shveta malik <shveta(dot)malik(at)gmail(dot)com> |
|---|---|
| To: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
| Cc: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>, Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, shveta malik <shveta(dot)malik(at)gmail(dot)com> |
| Subject: | Re: POC: enable logical decoding when wal_level = 'replica' without a server restart |
| Date: | 2025-06-04 10:10:38 |
| Message-ID: | CAJpy0uD2nKJ=DPFwnAdXZiHj9MKWdMS-tZc9zOqB-7yfWzN8Qg@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Wed, Jun 4, 2025 at 6:41 AM Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> wrote:
>
> On Tue, May 20, 2025 at 9:54 PM Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
> >
> > Yeah, I find the idea that the presence of a logical slot will allow
> > the user to enable logical decoding/replication more appealing than
> > this new alternative, leaving aside the challenges of realizing it.
+1. This idea appears more user-friendly and easier to understand
compared to other approaches, such as having multiple GUCs or using
ALTER SYSTEM.
> I've drafted this idea. Here are summary for attached two patches:
>
> 0001 patch allows us to create a logical slot without WAL reservation.
>
> 0002 patch is the main patch for dynamically enabling/disabling
> logical decoding when wal_level is 'replica'.
Thank You for the patches. I have done some initial testing, it seems
to be working well. I will do more testing and review and will share
further feedback.
thanks
Shveta
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Peter Eisentraut | 2025-06-04 10:16:09 | Re: Enable data checksums by default |
| Previous Message | Shinya Kato | 2025-06-04 10:05:20 | Re: Partitioned tables and [un]loggedness |