Re: BUG #17245: Index corruption involving deduplicated entries

On Fri, Oct 29, 2021 at 1:17 AM Kamigishi Rei <iijima.yun@koumakan.jp> wrote:
> Note that I ran 13.2 (that came with open_datasync()) and 13.3 (which
> switched back to fdatasync()) on openzfs for almost a year since
> upgrading to 13.0-RELEASE, with no discernible issues. The 13.3 data
> directory has been kept intact since the upgrade to 14.

I now think that this is very likely to be a bug in Postgres 14. Note
that another user with very similar corruption (same symptoms, similar
workload) happened to be using ext4 on Linux.

-- 
Peter Geoghegan