On Tue, 2024-06-04 at 11:32 -0400, Ron Johnson wrote: > > I would not set "fsync" to off. It won't make a measurable difference for > > pg_restore, and it may break your database. The same applies to "full_page_writes". > > If the pg_restore fails, I'm dropping the database no matter what. A few more minutes > to drop $PGDATA and re-run initdb won't be noticed compared to the length of the pg_restore. The *cluster* would be corrupted. You'd have to start with a new "initdb". If you want that... but it is a high price for very moderate gains. > > What might make a difference is if you use the --single-transaction option of > > pg_restore. > > A single 4+TB transaction?? Yes, sure. Why not? Yours, Laurenz Albe
