On Mon, Jun 23, 2025 at 1:41 PM Masahiko Sawada <sawada.m...@gmail.com> wrote: > > Given the discussion so far, it seems we might want to have a > safeguard to prevent the effective_wal_level from being dropped to > 'replica' if the last logical slot is accidentally dropped.
Yes, needed for cases where standby or cascaded standbys have requirements of logical decoding. > Another > idea we can consider is that we automatically increase > effective_wal_level to 'logical' upon the logical slot creation but > don't automatically decrease it when dropping the last slot. To > decrease the effective_wal_level to 'replica', users would need to do > that explicitly for example using a SQL function, > pg_disable_logical_decoding(). Okay. Seems a good solution so far. > We might want to have a GUC parameter > for users to turn on/off this automatic behavior. > Yes. Agreed. thanks Shveta
