Re: PITR promote bug: Checkpointer writes to older timeline

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Michael Paquier <michael(at)paquier(dot)xyz>
Cc: Andres Freund <andres(at)anarazel(dot)de>, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, masao(dot)fujii(at)oss(dot)nttdata(dot)com, soumyadeep2007(at)gmail(dot)com, hlinnaka(at)iki(dot)fi, pgsql-hackers(at)postgresql(dot)org, jyih(at)vmware(dot)com, kyeap(at)vmware(dot)com
Subject: Re: PITR promote bug: Checkpointer writes to older timeline
Date: 2021-06-27 19:20:50
Message-ID: 79007.1624821650@sss.pgh.pa.us
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I wrote:
> It sure looks like recovering a prepared
> transaction creates a transient state in which a new backend will
> compute a broken snapshot.

Oh, after further digging this is the same issue discussed here:

https://www.postgresql.org/message-id/flat/20210422203603.fdnh3fu2mmfp2iov%40alap3.anarazel.de

regards, tom lane

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