Re: pg_system_identifier()

On 08/22/2013 06:37 PM, Tom Lane wrote:
> A
> Do we have a reliable way of generating a unique identifier for each slave
> (independently of how that might be exposed)?
Probably we could just generate an unique UUID when we first detect
that we are replicating from the master with same UUID.

This of course requires this master UUID to be present in some way
in the replication stream

Cheers

-- 
Hannu Krosing
PostgreSQL Consultant
Performance, Scalability and High Availability
2ndQuadrant Nordic OÜ