On 2014-04-02 09:59:28 +0900, Michael Paquier wrote:
> On Tue, Apr 1, 2014 at 11:59 PM, Andres Freund <and...@2ndquadrant.com> wrote:
> > On 2014-04-01 16:45:46 +0200, Magnus Hagander wrote:
> >> On Tue, Apr 1, 2014 at 2:24 PM, Michael Paquier
> >> <michael.paqu...@gmail.com>wrote:
> >> > As of now, pg_basebackup creates an empty repository for pg_replslot/
> >> > in a base backup, forcing the user to recreate slots on other nodes of
> >> > the cluster with pg_create_*_replication_slot, or copy pg_replslot
> >> > from another node. This is not really user-friendly especially after a
> >> > failover where a given slave may not have the replication slot
> >> > information of the master that it is replacing.
> >
> > What exactly is your use case for copying the slots?

> I had in mind users that want to keep around base backups that could
> be used for recovery operations like PITR using a base backup and
> archives. It does not apply directly to a live standby, as it would
> mean that this standby would be defined to retain WAL for other slaves
> connected to the master.

I honestly can't follow why that implies copying the slots?

Greetings,

Andres Freund

-- 
 Andres Freund                     http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services


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