Re: Add LSN <-> time conversion functionality - Mailing list pgsql-hackers

On Thu, Aug 8, 2024 at 8:39 PM Tomas Vondra <tomas@vondra.me> wrote:
> Is there a reason not to make this just another SLRU, just like we do
> for commit_ts? I'm not saying it's perfect, but it's an approach we
> already use to solve these issues.

An SLRU is essentially an infinitely large array that grows at one end
and shrinks at the other -- but this is a fixed-size data structure.

--
Robert Haas
EDB: http://www.enterprisedb.com