On 5 January 2017 at 12:43, Stas Kelvich <s.kelv...@postgrespro.ru> wrote: > >> On 5 Jan 2017, at 13:49, Simon Riggs <si...@2ndquadrant.com> wrote: >> >> Surely in this case the master server is acting as the Transaction >> Manager, and it knows the mapping, so we are good? >> >> I guess if you are using >2 nodes then you need to use full 2PC on each node. >> >> Please explain precisely how you expect to use this, to check that GID >> is required. >> > > For example if we are using logical replication just for failover/HA and > allowing user > to be transaction manager itself. Then suppose that user prepared tx on > server A and server A > crashed. After that client may want to reconnect to server B and commit/abort > that tx. > But user only have GID that was used during prepare.
I don't think that's the case your trying to support and I don't think that's a common case that we want to pay the price to put into core in a non-optional way. -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, 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
