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 <[email protected]> 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 > [email protected] > > > -- Regards, -- Alexander Kukushkin
