Hi, On Fri, Aug 01, 2025 at 01:15:24PM -0500, Sami Imseih wrote: > I think we could add a local backend copy that stays up to date with the > DSA. One idea would be to use an atomic counter to track the number of > entries in the DSA and compare it with a local backend counter whenever the > tranche name lookup occurs. If the atomic counter is higher (since we > don't have deletions), > we can update the local copy. Updating the local table should be a > rare occurrence, but it would > require an additional atomic fetch every time the name lookup occurs, in all > the > above code paths. > > Perhaps there's a better approach?
I was thinking to switch to the DSA (and update local copy) when a name is not found in the local copy. That way there is no need to maintain a counter and the DSA overhead should be rare enough. Regards, -- Bertrand Drouvot PostgreSQL Contributors Team RDS Open Source Databases Amazon Web Services: https://aws.amazon.com