On Sat, 2012-04-28 at 21:40 +0200, Hannu Krosing wrote: > On Sat, 2012-04-28 at 09:36 +0100, Simon Riggs wrote: > > On Fri, Apr 27, 2012 at 11:50 PM, Christopher Browne <cbbro...@gmail.com> > > wrote: > > > On Fri, Apr 27, 2012 at 4:11 AM, Simon Riggs <si...@2ndquadrant.com> > > > wrote: > > >> What I'm hoping to do is to build a basic prototype of logical > > >> replication using WAL translation, so we can inspect it to see what > > >> the downsides are. It's an extremely non-trivial problem and so I > > >> expect there to be mountains to climb. There are other routes to > > >> logical replication, with messages marshalled in a similar way to > > >> Slony/Londiste/Bucardo/Mammoth(?). So there are options, with > > >> measurements to be made and discussions to be had. > > > > > > I'll note that the latest version of Slony ...has made a substantial > > > change to its data > > > representation....
Btw, Londiste has also moved from Slony-like trigger with partial SQL to more general format a few versions ago. I sure hope they will move to JSON as the data representation now when we'll have JSON in core in 9.2 -- ------- Hannu Krosing PostgreSQL Unlimited Scalability and Performance Consultant 2ndQuadrant Nordic PG Admin Book: http://www.2ndQuadrant.com/books/ -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
