Correction: kern.bufcachepercentage=90
> On Mar 7, 2022, at 12:07 PM, Brian Brombacher <br...@planetunix.net> wrote: > > Hi Mihai, > > Not exactly related to disk speed, but have you cranked up the following > sysctl to see if it helps? > > sysctl kern.bufcachepercentage=9 > > I put an entry in /etc/sysctl.conf for persistence. > > This will cause up to 90% of system memory to be used as a unified buffer > cache for disk access. Not sure if that helps but I use that value on every > install, including desktop and servers. I can’t remember if the default > value has changed in the past 10 years but I always go with 90%. > > -Brian > >>> On Mar 7, 2022, at 6:17 AM, Mihai Popescu <mih...@gmail.com> wrote: >>> >>> On Mon, Mar 7, 2022 at 8:46 AM Janne Johansson <icepic...@gmail.com> wrote: >>> >>> Den sön 6 mars 2022 kl 16:41 skrev Mihai Popescu <mih...@gmail.com>: >>>> >>>> Since this thread is moving slowly in another direction, let me >>> >>> True >>> >>>> reiterate my situation again: I am running a browser (mostly chromium) >>>> and the computer slows down on downloads. Since I've checked the >>>> downloads rates, I observed they are slow than my maximum 500Mbps for >>>> the line. >>>> I can reach 320Mbps maximum, but mostly it stays at 280Mbps and the >>>> Chromium has 30 seconds delays in everything i do. >>> >>> I would make sure it is not some kind of DNS thing, 30 second delays >>> sounds A LOT >>> like trying a "dead" resolver 3 times with 10 secs in between, before >>> moving to a "working" one. >> >> By "delay" I mean the time passed from clicking on some Chromium menu >> and the actual display of that menu. Even using a tty is slow, login >> ..... password .... in that disk intense usage period. >> Tried Debian and FreeBSD, all are able to write disk and do graphics. >> That ZFS on FreeBSD is mind blowing, I hope it's reliable too. >> >> All I wanted was to compare my hardware and disk speeds with someone >> running OpenBSD: simple dmesg <-> speed report match, but I think I >> hit a taboo again. >> Found some discussions on misc@ about that, no clear answer. I think I >> will close this thread and see what this ZFS is about :-) . >> >> Thank you all. >>> >>> -- >>> May the most significant bit of your life be positive. >>
