Subject: Re: pglogical - logical replication contrib module
To: Petr Jelinek <petr@2ndquadrant.com>,
 PostgreSQL-development <pgsql-hackers@postgresql.org>
References: <5685BB86.5010901@2ndquadrant.com>
Cc: Craig Ringer <craig@2ndquadrant.com>
From: "Joshua D. Drake" <jd@commandprompt.com>
Organization: Command Prompt, Inc.
Message-ID: <56A84422.2030309@commandprompt.com>
Date: Tue, 26 Jan 2016 20:14:26 -0800
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On 12/31/2015 03:34 PM, Petr Jelinek wrote:
> Hi,
>
> I'd like to submit the replication solution which is based on the
> pglogical_output [1] module (which is obviously needed for this to
> compile).

This is fantastic! However, history presents itself here and PostgreSQL 
in the past has not "blessed" a single solution for Replication. 
Obviously that changed a bit with streaming replication but this is a 
bit different than that. As I understand it, PgLogical is Logical 
Replication (similar to Slony and Londiste). I wouldn't be surprised 
(although I don't know) if Slony were to start using some of the 
pglogical_output module features in the future.

If we were to accept PgLogical into core, it will become the default 
blessed solution for PostgreSQL. While that is great in some ways  it is 
a different direction than the project has taken in the past. Is this 
what we want to do?

Sincerely,

Joshua D. Drake

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