Re: Spreading full-page writes

From: Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>
To: Simon Riggs <simon(at)2ndQuadrant(dot)com>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Andres Freund <andres(at)2ndquadrant(dot)com>
Subject: Re: Spreading full-page writes
Date: 2014-05-27 12:20:31
Message-ID: 5384830F.1050503@vmware.com
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On 05/27/2014 03:18 PM, Simon Riggs wrote:
> IIRC Koichi had a patch for prefetch during recovery. Heikki, is that
> the reason you also discussed changing the WAL record format to allow
> us to identify the blocks touched by recovery more easily?

Yeah, that was one use case I had in mind for the WAL format changes.
See http://www.postgresql.org/message-id/533D6CBF.6080203@vmware.com.

- Heikki

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