| 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 |
| Date: | 2019-09-06 21:11:10 |
| Message-ID: | 20190906211110.ckvlozcswmuyes7b@alap3.anarazel.de |
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| Thread: | |
| 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(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
> >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
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