On Wed, 2024-12-11 at 23:25 -0700, David G. Johnston wrote: > On Wednesday, December 11, 2024, SASIKUMAR Devaraj <sashikumard@xxxxxxxxx> wrote: > > When we are running vacuumdb for our database of 1.5TB it is generating approximately 60GB > > of WAL files? Any way we can reduce this WAL file generation? > > Set a much more aggressive autovacuum so you don’t accumulate as much dead tuples between runs? You can also activate "wal_compression" for smaller full-page images and increase "max_wal_size" to get fewer of them. But 60GB of WAL shouldn't be a problem. Why are they a problem for you? Yours, Laurenz Albe