On Fri, Jun 13, 2014 at 8:31 PM, Petr Jelinek <p...@2ndquadrant.com> wrote: > attached is a simple patch which makes it possible to change the system > identifier of the cluster in pg_control. This is useful for > individualization of the instance that is started on top of data directory > produced by pg_basebackup - something that's helpful for logical replication > setup where you need to easily identify each node (it's used by > Bidirectional Replication for example).
I can clearly understand the utility of being able to reset the system ID to a new, randomly-generated system ID - but giving the user the ability to set a particular value of their own choosing seems like a pretty sharp tool. What is the use case for that? -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers