On 13/11/14 14:18, Simon Riggs wrote:
So in summary... the components are * Commit LSN order is useful for applying changes - available by logical decoding * Commit timestamps and nodeid are useful for conflict resolution - available from this patch Both components have been designed in ways that allow multiple replication systems to use these facilities. So, -1 to including commit LSN in the SLRU alongside commit timestamp and nodeid.
I am of the same opinion, I added the LSN "by popular demand", but I still personally don't see the value in having it there as it does *not* enable us to do something that would be impossible otherwise.
-- Petr Jelinek http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
