Re: Fwd: sensible configuration of max_connections
Justin <zzzzz.graf@gmail.com>
From: Justin <zzzzz.graf@gmail.com>
To: Sam Gendler <sgendler@ideasculptor.com>
Cc: Steve Atkins <steve@blighty.com>, "pgsql-generallists.postgresql.org" <pgsql-general@lists.postgresql.org>
Date: 2020-02-07T19:14:37Z
Lists: pgsql-general
On Fri, Feb 7, 2020 at 1:56 PM Sam Gendler <sgendler@ideasculptor.com> wrote: > Benchmarks, at the time, showed that performance started to fall off due > to contention if the number of processes got much larger. I imagine that > the speed of storage today would maybe make 3 or 4x core count a pretty > reasonable place to start. There will be a point of diminishing returns > somewhere, but you can probably construct your own benchmarks to determine > where that point is likely to be for your workload. > I wonder if anyone has run benchmark like that lately? Doing such a benchmark maybe worth while given that so much is now running either in the cloud or running in a VM or some other kind of Container. all this abstraction from the hardware layer surely has had to have an impact on the numbers and rules of thumb... I still run on real hardware and spinning disk.