On Fri, Sep 13, 2013 at 11:13 AM, Stephen Frost <sfrost@xxxxxxxxxxx> wrote: > Patrick, > > > On Friday, September 13, 2013, Patrick Dung wrote: >> >> >What? That's absolutely *not* required for pg_upgrade to work. In >> >general, I would recommend that you make a copy of the database, but >> >it's certainly not required. >> >> I mean the old version and new version would need to take up disk space on >> the server. >> Thus roughly doubled the disk space used. > > > And I'm telling you that pg_upgrade does NOT require that. It has a mode > which allows an in-place upgrade (using hard links) that only requires a bit > of extra disk space- certainly no where near double on a database of any > size. Yeah that was one of the major reasons FOR pg upgrade was that it could upgrade in place and not require a complete copy of the db. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
