Re: Hot Standby remaining issues - Mailing list pgsql-hackers

From Simon Riggs
Subject Re: Hot Standby remaining issues
Date
Msg-id 1259772346.13774.23413.camel@ebony
Whole thread Raw
In response to Re: Hot Standby remaining issues  (Simon Riggs <simon@2ndQuadrant.com>)
Responses Re: Hot Standby remaining issues  (Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>)
List pgsql-hackers
On Wed, 2009-12-02 at 16:41 +0000, Simon Riggs wrote:
> On Tue, 2009-12-01 at 20:26 +0200, Heikki Linnakangas wrote:
> > Simon Riggs wrote:
> > > commit 02c3eadb766201db084b668daa271db4a900adc9
> > > Author: Simon Riggs <sriggs@ebony.(none)>
> > > Date:   Sat Nov 28 06:23:33 2009 +0000
> > > 
> > >     Added wal_standby_info GUC to turn RM_STANDBY_ID messages on/off.
> > >     Various comments added also.
> > > 
> > 
> > This patch makes it unsafe to start hot standby mode from a shutdown
> > checkpoint, because we don't know if wal_standby_info was enabled in the
> > master.

Hmm, what happens if someone enables wal_standby_info in postgresql.conf
while the server is shutdown. It would still be a valid starting point
in that case. I'll just make a note, I think.

-- Simon Riggs           www.2ndQuadrant.com



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