On Fri, Feb 5, 2016 at 3:36 AM, Michael Paquier <michael.paqu...@gmail.com> wrote: > So, here are some thoughts to make that more user-friendly. I think > that the critical issue here is to properly flatten the meta data in > the custom language and represent it properly in a new catalog, > without messing up too much with the existing pg_stat_replication that > people are now used to for 5 releases since 9.0.
Putting the metadata in a catalog doesn't seem great because that only can ever work on the master. Maybe there's no need to configure this on the slaves and therefore it's OK, but I feel nervous about putting cluster configuration in catalogs. Another reason for that is that if synchronous replication is broken, then you need a way to change the catalog, which involves committing a write transaction; there's a danger that your efforts to do this will be tripped up by the broken synchronous replication configuration. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers