Re: Help in vetting my steps for Postgres DB upgrade from Ver 13.X to ver 15.X

On 12/2/24 14:31, Ron Johnson wrote:
> On Mon, Dec 2, 2024 at 5:18 PM Bharani SV-forum 
> <esteembsv-forum@yahoo.com <mailto:esteembsv-forum@yahoo.com>> wrote:
> 
>     Team
>     Pl Help in vetting my steps for Postgres DB upgrade from Ver 13.X to
>     ver 15.X
> 
>     Env = EC2 based Community PostgreSQL Ver 13.16.2
> 
>     we will be performing upgrade of our EC2 server too along with new OS.
> 
>     Need help in vetting my steps for Postgres DB upgrade from Ver 13.X
>     to ver 15.X
>     *ASIS-existing server = EC2 with Community PostgreSQL Ver 13.16.2*
>     - ensure to capture all the pre.req meant for ver 15.10 are being met.
>     - shutdown db.
>     - take offline full backup (PG_DATA folder alone)  using OS command
> 
>     *Proposed-new EC2 server (with new Operating System version along
>     Postgres Ver 15.10 Binaries)*
>     - install postgres 15.10 binaries
>     - ensure to DISABLE auto startup and shutdown of postgres 15.10
>     -  Restore offline full backup (PG_DATA folder alone) using OS command
>     -  start performing pg_upgrade step to upgrade postgres from ver
>     13.16.2 to 15.10
> 
>     please guide me, if i have missed any steps in the abovesaid process
> 
>     To start new DB features, planning to rollout out the following
>     feature's alone
>     a) TLE extension for password compliance
>     b) parallelize vacuum jobs to utilize -j option
> 
> 
> To migrate from one server to another while upgrading, one must use 
> pg_dump/pg_restore OR Logical Replication.

Really?

Then this:

https://www.postgresql.org/docs/current/pgupgrade.html

must be random nose.

> 
> -- 
> Death to <Redacted>, and butter sauce.
> Don't boil me, I'm still alive.
> <Redacted> lobster!

-- 
Adrian Klaver
adrian.klaver@aklaver.com