Thank you very much for the testing on the nice machine.

At Fri, 18 Nov 2016 20:35:43 -0800, Michael Paquier <> 
wrote in <>
> On Fri, Nov 18, 2016 at 7:00 PM, Amit Kapila <> wrote:
> > Okay, I have done some performance tests with this patch and found that it 
> > doesn't have any noticeable impact which is good.  Details of performance 
> > tests is below:
> > Machine configuration:
> > 2 sockets, 28 cores (56 including Hyper-Threading)
> > RAM = 64GB
> > Data directory is configured on the magnetic disk and WAL on SSD.
> Nice spec!

This spec seems enough to see the performance of this patch.

> > The conclusion from my tests is that this patch is okay as far as 
> > performance is concerned.
> Thank you a lot for doing those additional tests!

So, all my original concern were cleared. The last one is
resetting by a checkpointer restart.. I'd like to remove that if
Andres agrees.


Kyotaro Horiguchi
NTT Open Source Software Center

Sent via pgsql-hackers mailing list (
To make changes to your subscription:

Reply via email to