Re: Streaming replication status

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Simon Riggs <simon(at)2ndQuadrant(dot)com>
Cc: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Streaming replication status
Date: 2010-01-12 01:16:57
Message-ID: 201001120116.o0C1GvH15599@momjian.us
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Simon Riggs wrote:
> > * I don't think we should require superuser rights for replication.
> > Although you see all WAL and potentially all data in the system through
> > that, a standby doesn't need any write access to the master, so it would
> > be good practice to create a dedicated account with limited privileges
> > for replication.
>
> Agreed. I think we should have a predefined user, called "replication"
> that has only the correct rights.

I am concerned that knowledge of this new read-only replication user
would have to be spread all over the backend code, which is really not
something we should be doing at this stage in 8.5 development. I am
also thinking such a special user might fall out of work on mandatory
access control, so maybe we should just require super-user for 8.5 and
revisit this for 8.6.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ If your life is a hard drive, Christ can be your backup. +

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