Horton

Re: Duplicated LSN in ReorderBuffer

Andres Freund <andres@anarazel.de>

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From: Andres Freund <andres@anarazel.de>
To: Alvaro Herrera <alvherre@2ndquadrant.com>, Masahiko Sawada <sawada.mshk@gmail.com>
Cc: Thomas Munro <thomas.munro@gmail.com>, Ildar Musin <ildar@adjust.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, Petr Jelinek <petr@2ndquadrant.com>, Simon Riggs <simon@2ndquadrant.com>
Date: 2019-09-06T21:11:10Z
Lists: pgsql-hackers 
Hi,

On 2019-08-19 08:51:43 -0700, Andres Freund wrote:
> On August 19, 2019 7:43:28 AM PDT, Alvaro Herrera <alvherre@2ndquadrant.com> wrote:
> >On 2019-Aug-19, Masahiko Sawada wrote:
> >
> >> On Tue, Aug 13, 2019 at 6:36 AM Alvaro Herrera
> ><alvherre@2ndquadrant.com> wrote:
> >
> >> > BTW I wrote the code as suggested and it passes all the tests ...
> >but I
> >> > then noticed that the unpatched code doesn't fail Ildar's original
> >> > pgbench-based test for me, either.  So maybe my laptop is not
> >powerful
> >> > enough to reproduce it, or maybe I'm doing something wrong.
> >> 
> >> If you share the patch fixing this issue I'll test it on my
> >> environment where I could reproduce the original problem.
> >
> >Never mind.  I was able to reproduce it later, and verify that Andres'
> >proposed strategy doesn't seem to fix the problem.  I'm going to study
> >the problem again today.
> 
> Could you post the patch?

Ping?

Greetings,

Andres Freund

Commits

  1. logical decoding: process ASSIGNMENT during snapshot build

  2. Ability to advance replication slots