On Thu, 2021-02-04 at 12:41 +0100, Luca Ferrari wrote: > this may sound trivial, but in my opinion min_wal_size is useful only > when the cluster is initialized or the wals are reset. > Am I wrong? The amount of WAL that PostgreSQL pre-creates for future use depends on the database activity but has a lower limit of "min_wal_size". If your workload is subject to long lulls followed by activity spikes, raising "min_wal_size" can improve the performance at the beginning of an activity spike. Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com
