On Thu, Oct 7, 2021 at 09:38:45PM +0300, Ants Aasma wrote:
> On Wed, 6 Oct 2021 at 23:08, Bruce Momjian <bruce@momjian.us> wrote:
>
> Yes, I would prefer we don't use the LSN. I only mentioned it since
> Ants Aasma mentioned LSN use above.
>
>
> Is there a particular reason why you would prefer not to use LSN? I suggested
> it because in my view having a variable tweak is still better than not having
> it even if we deem the risks of XTS tweak reuse not important for our use case.
> The comment was made under the assumption that requiring wal_log_hints for
> encryption is acceptable.
Well, using the LSN means we have to store the LSN unencrypted, and that
means we have to carve out a 16-byte block on the page that is not
encrypted.
--
Bruce Momjian <bruce@momjian.us> https://momjian.us
EDB https://enterprisedb.com
If only the physical world exists, free will is an illusion.
