On Wed, 2019-09-25 at 14:40 -0500, Ron wrote: > > No, normally you don't create tablespaces in PostgreSQL. > > They are a few use cases for them, but not many. > > Do I/O requests in the Linux kernel get "backlogged" when they all > hit the > same device? Or would you get better throughput (or less latency) > by > spreading the load across multiple devices? Sure, spreading I/O across multiple devices is one use case for tablespaces. But usually this is easier to do by striping a logical volume across several physical volumes at a lower level. Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com
