Re: pg_upgrade: can I use same binary for old & new?

[Adrian Klaver <adrian.klaver@xxxxxxxxxxx>]

On 7/5/25 09:52, Pierre Fortin wrote:
> Hi,
>
> [Hope this gets through after dumping DKIM-ignorant mail provider.]
>
> Wanting to upgrade from:
> PostgreSQL 15.13 on x86_64-mageia-linux-gnu,
> compiled by gcc (Mageia 15.1.0-1.mga10) 15.1.0, 64-bit
> to:
> PG 17.5
>
> Way back, I was able to use -k|--link option on pg_upgrade (PG13 to PG15);
> but since then:
>
> - my DB has grown to over 8TB

How did you measure above?

> - even with ~70TB, I don't have enough contiguous disk space to
>    dump/restore

What was the pg_dump command?


> Thanks,
> Pierre

--
Adrian Klaver
adrian.klaver@xxxxxxxxxxx