On Fri, Jan 13, 2012 at 10:31 AM, Jim Nasby <jim@nasby.net> wrote:
> Perhaps it would be possible to keep older copies of pages around when there are older transactions running on the
standby?
I've thought about that... it's basically a rollback segment, which
for that matter might be judged superior to what we do on the master
(i.e. VACUUM). Needless to say, that would be just a teensy bit more
work than we're likely to have time for in 9.2. But maybe for 10.2...
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company