On Thu, 2022-03-17 at 14:05 +0000, Shukla, Pranjal wrote: > From the configuration we have, does it mean that the primary will retain 32 WAL's > of 1 GB each and then start evicting the first WAL as soon as the last one gets filled? > In layman's term, 32GB is huge amount of data and I don't think that much changes > during upgrades. In fact the total size of our database is 56 GB. Is my understanding > correct? > > wal_keep_segments = 32 No, it means that the last 32 WAL segments of size 16MB are retained, that is 0.5 GB. "max_wal_size" is not the size of a WAL segment. Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com
