Re: [HACKERS] kqueue

2020-01-21 Thread Matteo Beccati
27;d say it's safer not to enable it on NetBSD and eventually leave it up to the pkgsrc team. Cheers -- Matteo Beccati Development & Consulting - http://www.beccati.com/

Re: [HACKERS] kqueue

2020-01-22 Thread Matteo Beccati
On 22/01/2020 17:06, Tom Lane wrote: > Matteo Beccati writes: >> On 21/01/2020 02:06, Thomas Munro wrote: >>> [1] >>> https://www.postgresql.org/message-id/CA%2BhUKGJAC4Oqao%3DqforhNey20J8CiG2R%3DoBPqvfR0vOJrFysGw%40mail.gmail.com > >> I had a NetBSD 8.0 VM

Re: [HACKERS] kqueue

2018-09-28 Thread Matteo Beccati
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. Ma

Re: [HACKERS] kqueue

2018-09-29 Thread Matteo Beccati
On 28/09/2018 14:19, Thomas Munro wrote: > On Fri, Sep 28, 2018 at 11:09 AM Andres Freund wrote: >> On 2018-09-28 10:55:13 +1200, Thomas Munro wrote: >>> Matteo Beccati reported a 5-10% performance drop on a >>> low-end Celeron NetBSD box which we have no explanat

Re: [HACKERS] kqueue

2018-09-30 Thread Matteo Beccati
Hi Thomas, On 30/09/2018 04:36, Thomas Munro wrote: > On Sat, Sep 29, 2018 at 7:51 PM Matteo Beccati wrote: >> Out of curiosity, I've installed FreBSD on an identically specced VM, >> and the select benchmark was ~75k tps for kqueue vs ~90k tps on >> unpatched master,

Re: [HACKERS] kqueue

2018-10-01 Thread Matteo Beccati
50-50 w/ vanilla, so I'm inclined to think that's the reason why we see a performance drop instead. Thoguhts? Cheers -- Matteo Beccati Development & Consulting - http://www.beccati.com/