Re: Patroni basebackup server compression not working in 4.1.1

It looks like a bug, it fails to correctly resolve the Postgres version
when $PGDATA is empty :(

On Wed, 22 Apr 2026 at 16:47, Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
wrote:

> On 4/22/26 12:30 AM, Radu Radutiu wrote:
> > Hi,
> >
> > I am not able to enable basebackup server compression feature, which is
> > new in patroni 4.1.1.
> > OS: OEL 9.7
> > Patroni version: patroni-4.1.1-1PGDG.rhel9.7.noarch
> > Postgres: postgresql18-server-18.3-1PGDG.rhel9.7.x86_64
> > The following setting has been added to DCS under postgresql:
> > basebackup:
> > - compress: server-zstd
> > I still get the following error in the patroni.log:
> > 2026-04-22 02:51:44,693 ERROR: compress option for basebackup is not
> allowed
> > 2026-04-22 02:51:44,693 ERROR: Error when parsing basebackup key-value
> > option server-zstd: only one key-value is allowed and value should be a
> > string
>
> Have you tried with?:
>
> - compress: 'server-zstd'
>
> Per:
>
> "ERROR: Error when parsing basebackup key-value option server-zstd: only
> one key-value is allowed and value should be a string"
>
> >
> > Has anyone been able to confirm that the feature is working?
> >
> > Best regards,
> > Radu
>
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)aklaver(dot)com
>
>
>

--
Regards,
--
Alexander Kukushkin