From: Simon Riggs <simon@2ndQuadrant.com>
To: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
Cc: Hannu Krosing <hannu@2ndquadrant.com>
Cc: greg@2ndQuadrant.com, Josh Berkus <josh@postgresql.org>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: Stefan Kaltenbrunner <stefan@kaltenbrunner.cc>
Cc: pgsql-hackers@postgresql.org
Subject: Re: Sync Rep Design
Date: Sat, 01 Jan 2011 22:41:10 +0000
Message-ID: <1293921670.1892.65467.camel@ebony> (raw)
In-Reply-To: <4D1F8383.8020809@enterprisedb.com>
References: <1293729972.1892.23804.camel@ebony>
<4D1CC47E.7050207@kaltenbrunner.cc>
<1293735853.1892.24886.camel@ebony>
<AANLkTi=SvN2KQ1Tzh-tRKcXD0i2FyWFBbbR=kXXdepqN@mail.gmail.com>
<4D1D8B2F.5070001@2ndquadrant.com>
<4D1DAB14.5000800@enterprisedb.com>
<1293796137.1892.37313.camel@ebony>
<4D1DCF5A.7070808@enterprisedb.com>
<4D1E4897.1050400@2ndquadrant.com>
<4D1F8383.8020809@enterprisedb.com>
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
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To: pgsql-hackers@postgresql.org
Cc: simon@2ndQuadrant.com, heikki.linnakangas@enterprisedb.com, hannu@2ndquadrant.com, josh@postgresql.org, robertmhaas@gmail.com, stefan@kaltenbrunner.cc
Subject: Re: Sync Rep Design
In-Reply-To: <1293921670.1892.65467.camel@ebony>
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