On Wed, Jul 17, 2019 at 11:39 AM Perumal Raj <peruci...@gmail.com> wrote:
> Thanks Adrian, David, > > Basically , i want to upgrade few 9.X/8.X version DBs to some stable > version ( 10.X / 11.X ), At the same time with less down time. > So want to understand whether direct upgrade possible or not between major > releases . > >From the pg_upgrade documentation: "pg_upgrade supports upgrades from 8.4.X and later to the current major release of PostgreSQL, including snapshot and beta releases." You demonstrated knowledge of the two relevant programs that can be used to upgrade and their documentation explicitly states their minimum version limit so I'm not understanding why there is a question. pg_upgrade is the better option for upgrading. David J.
