Hi Thomas, On 28/09/2018 00:55, Thomas Munro wrote: > I would like to commit this patch for PostgreSQL 12, based on this > report. We know it helps performance on macOS developer machines and > big FreeBSD servers, and it is the right kernel interface for the job > on principle. Matteo Beccati reported a 5-10% performance drop on a > low-end Celeron NetBSD box which we have no explanation for, and we > have no reports from server-class machines on that OS -- so perhaps we > (or the NetBSD port?) should consider building with WAIT_USE_POLL on > NetBSD until someone can figure out what needs to be fixed there > (possibly on the NetBSD side)?
Thanks for keeping me in the loop. Out of curiosity (and time permitting) I'll try to spin up a NetBSD 8 VM and run some benchmarks, but I guess we should leave it up to the pkgsrc people to eventually change the build flags. Cheers -- Matteo Beccati Development & Consulting - http://www.beccati.com/
