On Mon, Jan 11, 2021 at 12:54:49PM -0500, Stephen Frost wrote:
> Although, another approach and one that I've discussed a bit with Bruce,
> is to have more keys- such as a key for temporary files, and perhaps
> even a key for logged relations and a different for unlogged.. Or
Yes, we have to make sure the nonce (computed as LSN/pageno) is never
reused, so if we have several LSN usage "spaces", they need different
data keys.
> perhaps sets of keys for each which automatically are rotating every X
> number of GB based on the LSN... Which is a big part of why key
> management is such an important part of this effort.
Yes, this would avoid the need to failover to a standby for data key
rotation.
--
Bruce Momjian <bruce@momjian.us> https://momjian.us
EnterpriseDB https://enterprisedb.com
The usefulness of a cup is in its emptiness, Bruce Lee