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: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2009-12-22T19:09:12Z
Lists: pgsql-hackers
On Wed, Dec 23, 2009 at 3:41 AM, Simon Riggs <simon@2ndquadrant.com> wrote: >> This means that we can replace a backup history file with the corresponding >> xlog record. I think that we should simplify the code by making the replacement >> completely rather than just adding new xlog record. Thought? > > We can't do that because it would stop file-based archiving from > working. I don't think we should deprecate that for another release at > least. Umm... ISTM that we can do that even if file-base archiving case; * pg_stop_backup writes the xlog record corresponding to a backup history file, and requests the WAL file switch. * In PITR or warm-standby, the startup process just marks database as inconsistent until it has read that xlog record. Regards, -- Fujii Masao NIPPON TELEGRAPH AND TELEPHONE CORPORATION NTT Open Source Software Center