On 2018-Aug-05, Ron wrote: > For columns of type bytea which store image data (PDFs, JPGs, etc) would it > speed up the ANALYZE process to SET STATISTICS = 0? Yes. I'd suggest also looking at ALTER TABLE ... SET STORAGE to avoid having Postgres try to compress those columns, which is useless waste of CPU cycles, since those formats already compress. > That way, default_statistics_target could be cranked higher -- giving better > statistics for needed columns -- without polluting pg_statistics with > unneeded data? Right. With the default being 100 I don't think there's a real need to crank it higher server-wide, but it may be useful to crank it higher for specific columns. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
