Re: Separate GUC for replication origins

Amit Kapila <amit.kapila16@gmail.com>

From: Amit Kapila <amit.kapila16@gmail.com>
To: Euler Taveira <euler@eulerto.com>
Cc: Masahiko Sawada <sawada.mshk@gmail.com>, Peter Eisentraut <peter@eisentraut.org>, pgsql-hackers@lists.postgresql.org
Date: 2025-02-05T04:56:22Z
Lists: pgsql-hackers
On Wed, Feb 5, 2025 at 8:17 AM Euler Taveira <euler@eulerto.com> wrote:
>
> Under reflection, an accurate name is max_replication_origin_session_setup. A
> counter argument is that it is a long name (top-5 length).
>
> postgres=# select n, length(n) from (values('max_replication_origins'),
> ('max_tracked_replication_origins'),('max_replication_origin_states'),
> ('max_replication_origin_session_setup')) as gucs(n);
>                   n                   | length
> --------------------------------------+--------
> max_replication_origins              |     23
> max_tracked_replication_origins      |     31
> max_replication_origin_states        |     29
> max_replication_origin_session_setup |     36
> (4 rows)
>

The other possibility is max_replication_origin_sessions.

-- 
With Regards,
Amit Kapila.



Commits

  1. Add GUC option to control maximum active replication origins.

  2. Better document logical replication parameters

  3. Introduce replication progress tracking infrastructure.