Re: Cascading replication and recovery_target_timeline='latest'
Heikki Linnakangas <hlinnaka@iki.fi>
From: Heikki Linnakangas <hlinnaka@iki.fi>
To: Fujii Masao <masao.fujii@gmail.com>
Cc: Simon Riggs <simon@2ndquadrant.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2012-09-03T23:26:33Z
Lists: pgsql-hackers
On 03.09.2012 16:25, Fujii Masao wrote: > On Tue, Sep 4, 2012 at 7:07 AM, Heikki Linnakangas<hlinnaka@iki.fi> wrote: >> Hmm, I was thinking that when walsender gets the position it can send the >> WAL up to, in GetStandbyFlushRecPtr(), it could atomically check the current >> recovery timeline. If it has changed, refuse to send the new WAL and >> terminate. That would be a fairly small change, it would just close the >> window between requesting walsenders to terminate and them actually >> terminating. > > Yeah, sounds good. Could you implement the patch? If you don't have time, > I will.... I'll give it a shot.. - Heikki