Resolved: Looking for Postgres upgrade Metrix

Ok, thanks for the clarification.

On Wed, Jul 17, 2019 at 11:46 AM David G. Johnston <
david(dot)g(dot)johnston(at)gmail(dot)com> wrote:

> On Wed, Jul 17, 2019 at 11:39 AM Perumal Raj <perucinci(at)gmail(dot)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.
>
>