Re: block-level incremental backup

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Jehan-Guillaume de Rorthais <jgdr(at)dalibo(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: block-level incremental backup
Date: 2019-04-10 18:38:43
Message-ID: CA+Tgmob7fvoHvPu0O13mN9bipbAAM_pZw20tveYp-wYE7De+wg@mail.gmail.com
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On Wed, Apr 10, 2019 at 2:21 PM Jehan-Guillaume de Rorthais
<jgdr(at)dalibo(dot)com> wrote:
> In my current design, the scan is done backward from end to start and I keep all
> the records appearing after the last occurrence of their respective FPI.

Oh, interesting. That seems like it would require pretty major
surgery on the WAL stream.

> Summary files looks like what Andrey Borodin described as delta-files and
> change maps.

Yep.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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