On 4 January 2017 at 13:57, Robert Haas <robertmh...@gmail.com> wrote: > On Wed, Jan 4, 2017 at 3:05 AM, Simon Riggs <si...@2ndquadrant.com> wrote: >> Strange response. Nothing has been assumed. I asked for tests and you >> provided measurements. > > Sure, of zero-filling a file with dd. But I also pointed out that in > a real PostgreSQL cluster, the change could actually *reduce* latency.
I think we are talking at cross purposes. We agree that the main change is useful, but it causes another problem which I can't see how you can characterize as reduced latency, based upon your own measurements. -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
