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

Fujii Masao <masao.fujii@gmail.com>

From: Fujii Masao <masao.fujii@gmail.com>
To: Simon Riggs <simon@2ndquadrant.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2009-12-22T19:15:11Z
Lists: pgsql-hackers
On Wed, Dec 23, 2009 at 4:09 AM, Simon Riggs <simon@2ndquadrant.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.

Regards,

-- 
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center