Re: Backup history file should be replicated in Streaming Replication?

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Backup history file should be replicated in Streaming Replication?
Date: 2009-12-22 19:17:29
Message-ID: 1261509449.7442.7257.camel@ebony
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On Wed, 2009-12-23 at 04:15 +0900, Fujii Masao wrote:
> On Wed, Dec 23, 2009 at 4:09 AM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
> > It's needed to find the place where the backup stopped, so it defines
> > the safe stopping point. We could easily pass that info via WAL, when
> > streaming. It doesn't actually matter until we try to failover.
>
> Right. And, it's also needed to cooperate with HS which begins accepting
> read-only queries after a recovery reaches that safe stopping point.

Agreed, hence my interest!

--
Simon Riggs www.2ndQuadrant.com

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