| From: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
|---|---|
| To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Backup history file should be replicated in Streaming Replication? |
| Date: | 2009-12-22 19:15:11 |
| Message-ID: | 3f0b79eb0912221115q4b093dadjebe3a492106beabc@mail.gmail.com |
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| Lists: | pgsql-hackers |
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.
Regards,
--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
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