Re: snapshot too old issues, first around wraparound and then more.

From: Andres Freund <andres(at)anarazel(dot)de>
To: Peter Geoghegan <pg(at)bowt(dot)ie>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Kevin Grittner <kgrittn(at)gmail(dot)com>
Subject: Re: snapshot too old issues, first around wraparound and then more.
Date: 2020-04-01 18:18:55
Message-ID: 20200401181855.icor7ralm6mfcpug@alap3.anarazel.de
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Hi,

On 2020-04-01 11:04:43 -0700, Peter Geoghegan wrote:
> On Wed, Apr 1, 2020 at 10:28 AM Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> > Is there any chance that you're planning to look into the details?
> > That would certainly be welcome from my perspective.

+1

This definitely needs more eyes. I am not even close to understanding
the code fully.

> I had a few other things that I was going to work on this week, but
> those seems less urgent. I'll take a look into it, and report back
> what I find.

Thanks you!

I attached a slightly evolved version of my debugging patch.

Greetings,

Andres Freund

Attachment Content-Type Size
v2-debug.diff text/x-diff 6.1 KB

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