| From: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Magnus Hagander <magnus(at)hagander(dot)net> |
| Cc: | Peter Eisentraut <peter_e(at)gmx(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: pg_basebackup for streaming base backups |
| Date: | 2011-01-17 13:49:56 |
| Message-ID: | 1295272196.3282.2040.camel@ebony |
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| Thread: | |
| Lists: | pgsql-hackers |
On Mon, 2011-01-17 at 13:43 +0100, Magnus Hagander wrote:
> Downthread you say that this tool is also useful for making base
> backups
> > independent of replication functionality. Sounds good. But then
> the
> > documentation says that the connection must be with a user that has
> the
> > replication permission. Something is conceptually wrong here: why
> would
> > I have to grant replication permission just to take a base backup
> for
> > the purpose of making a backup?
>
> It uses the replication features for it. You also have to set
> max_walsenders > 0, which is in the replication section of the
> postgresql.conf file.
>
> The point I wanted to make downthread was that it's useful without
> having a replication *slave*. But yes, you need the master.
Suggest calling this utility pg_replication_backup
and the other utility pg_replication_stream
It will be easier to explain the connection with replication.
--
Simon Riggs http://www.2ndQuadrant.com/books/
PostgreSQL Development, 24x7 Support, Training and Services
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