Re: pgsql: Remove secondary checkpoint

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Simon Riggs <simon(at)2ndQuadrant(dot)com>, pgsql-committers(at)postgresql(dot)org
Subject: Re: pgsql: Remove secondary checkpoint
Date: 2017-11-07 19:12:19
Message-ID: 22718.1510081939@sss.pgh.pa.us
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Andres Freund <andres(at)anarazel(dot)de> writes:
> On 2017-11-07 17:57:31 +0000, Simon Riggs wrote:
>> Remove secondary checkpoint

> FWIW, I don't think this should be applied without a pg_resetxlog
> feature allowing to manually use older checkpoints.

Uh, what? We have never before insisted on pg_resetxlog being able
to use WAL across a WAL format change, and there have been many of
those.

regards, tom lane

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