Re: pg_basebackup and replication slots

On 05/21/2015 03:42 PM, Peter Eisentraut wrote:
> I wonder why pg_basebackup doesn't have any support for replication slots.
>
> When relying on replication slots to hang on to WAL data, there is a gap
> between when pg_basebackup finishes and streaming replication is started
> where WAL data could be thrown away by the primary.
>
> Looking at the code, the -X stream method could easily specify a
> replication slot.  (Might be nice if it could also create it in the same
> run.)

Yeah, would be nice. The automatically-created slot should also be 
automatically removed if the backup is aborted for any reason, i.e. if 
the connection dies.

- Heikki