Re: broken backup trail in case of quickly patroni switchback and forth

On 11/7/19 5:52 AM, Zwettler Markus (OIZ) wrote:
> we are using Patroni for management of our Postgres standby databases.
>
> we take our (wal) backups on the primary side based on intervals and thresholds.
> our archived wal's are written to a local wal directory first and moved to tape afterwards.
>
> we got a case where Patroni switched back and forth sides quickly, e.g.:
> 12:00h: primary - standby
> 12:05h: standby - primary
> 12:10h: primary - standby
>
> we realised that we will not have a wal backup of those wal's generated between 12:05h and 12:10h in this scenario.
>
> how can we make sure that the whole wal sequence trail will be backuped? any idea?

Probably best to ask the Patroni folks:

https://github.com/zalando/patroni#community

>
> - Markus
>
>

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com