Re: Add tablespace tap test to pg_rewind

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>
Cc: tgl(at)sss(dot)pgh(dot)pa(dot)us, alvherre(at)2ndquadrant(dot)com, sbai(at)pivotal(dot)io, pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: Add tablespace tap test to pg_rewind
Date: 2019-05-09 05:51:59
Message-ID: 20190509055159.GF14573@paquier.xyz
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On Tue, May 07, 2019 at 10:31:59AM +0900, Kyotaro HORIGUCHI wrote:
> The patch seems to be using the tablespace directory in backups
> directly from standbys. In other words, multiple standbys created
> from A backup shares the tablespace directory in the backup.

Yes, I noticed that, and I am not happy about that either. I'd like
to think that what we are looking for is an equivalent of the
tablespace mapping of pg_basebackup, but for init_from_backup(). At
least that sounds like a plausible solution.
--
Michael

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