Re: [HACKERS] pg_serial early wraparound

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>
Cc: Anastasia Lubennikova <lubennikovaav(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: [HACKERS] pg_serial early wraparound
Date: 2018-03-30 19:14:22
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Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> writes:
> On Tue, Mar 27, 2018 at 5:50 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> I'm a little worried because Anastasia couldn't repeat the test;
>> why is that?

> Hmm. I'm not sure. It works for me on a couple of machines and what I see is:

Yeah, it works for me too, so not sure what the problem was.

The only other point I can think of is that by changing the storage
layout under pg_serial/, this'd create an issue for pg_upgrade, if
pg_upgrade tried to migrate this data. But it doesn't.

Hence, pushed.

regards, tom lane

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