Subject: Re: Sync Rep Design
From: Simon Riggs <simon@2ndQuadrant.com>
To: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
Cc: Hannu Krosing <hannu@2ndquadrant.com>, greg@2ndQuadrant.com,
	Josh Berkus <josh@postgresql.org>, Robert Haas <robertmhaas@gmail.com>,
	Stefan Kaltenbrunner <stefan@kaltenbrunner.cc>,
	pgsql-hackers@postgresql.org
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Date: Sat, 01 Jan 2011 22:41:10 +0000
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On Sat, 2011-01-01 at 21:41 +0200, Heikki Linnakangas wrote:
> On 31.12.2010 23:18, Hannu Krosing wrote:
> > On 31.12.2010 13:40, Heikki Linnakangas wrote:
> >> That thread makes no mention of how to specify which standbys are
> >> synchronous and which are not.
> > The simplest way would be to have separate database users for sync and
> > async standbys ?
> >
> > That would allow any standby with right credentials act as a sync user,
> > and those who are not eligible are not accepted even if they try to act
> > as "a synchronity (?) provider".
> 
> Hmm, access control... We haven't yet discussed what privileges a 
> standby needs to become synchronous. Perhaps it needs to be a separate 
> privilege that can be granted, in addition to the replication privilege?

Perhaps we don't need it, also. Why is that essential in this release?

-- 
 Simon Riggs           http://www.2ndQuadrant.com/books/
 PostgreSQL Development, 24x7 Support, Training and Services