|From:||Andres Freund <andres(at)anarazel(dot)de>|
|To:||Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>|
|Cc:||Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Ildar Musin <ildar(at)adjust(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Petr Jelinek <petr(at)2ndquadrant(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>|
|Subject:||Re: Duplicated LSN in ReorderBuffer|
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On 2019-08-19 08:51:43 -0700, Andres Freund wrote:
> On August 19, 2019 7:43:28 AM PDT, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> wrote:
> >On 2019-Aug-19, Masahiko Sawada wrote:
> >> On Tue, Aug 13, 2019 at 6:36 AM Alvaro Herrera
> ><alvherre(at)2ndquadrant(dot)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
> >> > 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?
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