Horton

Re: speed up a logical replica setup

Fabrízio de Royes Mello <fabriziomello@gmail.com>

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From: Fabrízio de Royes Mello <fabriziomello@gmail.com>
To: Andrew Dunstan <andrew@dunslane.net>
Cc: Euler Taveira <euler@eulerto.com>, Peter Eisentraut <peter.eisentraut@enterprisedb.com>, pgsql-hackers@lists.postgresql.org
Date: 2022-03-22T01:44:33Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. pg_createsubscriber: Remove obsolete comment

  2. pg_createsubscriber: Fix an unpredictable recovery wait time.

  3. Fix unstable test in 040_pg_createsubscriber.

  4. Fix the testcase introduced in commit 81d20fbf7a.

  5. Further weaken new pg_createsubscriber test on Windows.

  6. Temporarily(?) weaken new pg_createsubscriber test on Windows.

  7. Make pg_createsubscriber warn if publisher has two-phase commit enabled.

  8. Make pg_createsubscriber more wary about quoting connection parameters.

  9. pg_createsubscriber: Remove failover replication slots on subscriber

  10. pg_createsubscriber: Remove replication slot check on primary

  11. pg_createsubscriber: Only --recovery-timeout controls the end of recovery process

  12. pg_createsubscriber: creates a new logical replica from a standby server

  13. Add some const decorations

  14. Add option force_initdb to PostgreSQL::Test::Cluster:init()

  15. Remove MSVC scripts

On Fri, 18 Mar 2022 at 19:34 Andrew Dunstan <andrew@dunslane.net> wrote:

>
> On 3/15/22 09:51, Peter Eisentraut wrote:
> > On 21.02.22 13:09, Euler Taveira wrote:
> >> A new tool called pg_subscriber does this conversion and is tightly
> >> integrated
> >> with Postgres.
> >
> > Are we comfortable with the name pg_subscriber?  It seems too general.
> > Are we planning other subscriber-related operations in the future?  If
> > so, we should at least make this one use a --create option or
> > something like that.
>
>
> Not really sold on the name (and I didn't much like the name
> pglogical_create_subscriber either, although it's a cool facility and
> I'm happy to see us adopting something like it).
>
> ISTM we should have a name that conveys that we are *converting* a
> replica or equivalent to a subscriber.
>
>
Some time ago I did a POC on it [1] and I used the name pg_create_subscriber

[1]
https://github.com/fabriziomello/pg_create_subscriber
-- 
Fabrízio de Royes Mello