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Date:      Wed, 23 Oct 2013 12:30:52 -0700
From:      aurfalien <aurfalien@gmail.com>
To:        Outback Dingo <outbackdingo@gmail.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: FreeBSD, Centos and ZFS - SOLVED
Message-ID:  <66EE3A0C-8280-417C-99A7-5ADDC8E5E23D@gmail.com>
In-Reply-To: <CAKYr3zzGeWJvkb94u6nbSigNdas=NJSfpyaMgPtjj=%2BZPcw1=g@mail.gmail.com>
References:  <CBA24BB3-4A57-428C-B342-4BEB678B8D43@gmail.com> <1381600575.18393.33219025.5D7B78D0@webmail.messagingengine.com> <8CA809B3-1692-4760-A63F-9D7451EB49BD@gmail.com> <525D143B.50202@gmail.com> <DF3E552D-D2E6-464C-88EA-7AF34E8329CC@gmail.com> <1382285088.2462.36238881.1AA6BB17@webmail.messagingengine.com> <25C055B9-4A19-46C8-B78E-AC8BD6E00CD9@gmail.com> <alpine.BSF.2.00.1310221957500.89571@wonkity.com> <583CD1A7-A2F8-410E-B0C0-0C562833E024@gmail.com> <CAKYr3zzGeWJvkb94u6nbSigNdas=NJSfpyaMgPtjj=%2BZPcw1=g@mail.gmail.com>

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On Oct 23, 2013, at 12:11 PM, Outback Dingo wrote:

>=20
>=20
>=20
> On Wed, Oct 23, 2013 at 1:53 PM, aurfalien <aurfalien@gmail.com> =
wrote:
>=20
> On Oct 22, 2013, at 6:59 PM, Warren Block wrote:
>=20
> > On Tue, 22 Oct 2013, aurfalien wrote:
> >
> >>
> >> On Oct 20, 2013, at 9:04 AM, Mark Felder wrote:
> >>
> >>> On Sat, Oct 19, 2013, at 14:31, aurfalien wrote:
> >>>>
> >>>> ZoL comes with a little interesting feature; arc2 compression, =
which does
> >>>> seem to enhance performance all around.  I disabled this in =
CentOS to
> >>>> level the playing field.
> >>>>
> >>>
> >>> FreeBSD 10 also has L2ARC compression
> >>>
> >>> http://svnweb.freebsd.org/base?view=3Drevision&revision=3D251478
> >>
> >> OMG, what a relief... the ~30% diff in performance was due to a =
BIOS setting, in particular this one;
> >>
> >> Intel Turbo Boost Technology
> >> Enhanced Intel SpeedStep Tech
> >>
> >> I disabled both.
> >
> > Enable them both and also enable powerd on FreeBSD in /etc/rc.conf =
so it can take advantage of the first.
> >
> >> In fact, FreeBSD is showing a tad better now then CentOS.  I have =
files if any one is interested in viewing.
> >
> > With Turbo mode on, it may go even faster.
>=20
> Yep, confirmed, got about ~1000 IOPS more by doing this (via fio).
>=20
> So on to the other pots regarding tuning powerd.
>=20
> - aurf
>=20
> so curious what was the fio test on the command line....... =20

my fio file;

[global] =20
description=3DEmulation of Intel IOmeter File Server Access Pattern =20
     =20
[iometer] =20
rw=3Drandrw =20
rwmixread=3D75 =20
rwmixwrite=3D25
direct=3D0 =20
size=3D700g =20
ioengine=3Dposixaio
fallocate=3Dnone
runtime=3D900
random_distribution=3Dzipf:2.2
# IOMeter defines the server loads as the following: =20
# iodepth=3D1     Linear =20
# iodepth=3D4     Very Light =20
# iodepth=3D8     Light =20
# iodepth=3D64    Moderate =20
# iodepth=3D256   Heavy =20
iodepth=3D64
thread

My results;

iometer: (g=3D0): rw=3Drandrw, bs=3D4K-4K/4K-4K/4K-4K, =
ioengine=3Dposixaio, iodepth=3D32
fio-2.1.1
Starting 1 thread
Jobs: 1 (f=3D1): [m] [100.0% done] [102.4MB/34795KB/0KB /s] =
[26.3K/8698/0 iops] [eta 00m:00s]
iometer: (groupid=3D0, jobs=3D1): err=3D 0: pid=3D101195: Wed Oct 23 =
12:26:55 2013
  Description  : [Emulation of Intel IOmeter File Server Access Pattern]
  read : io=3D61266MB, bw=3D104561KB/s, iops=3D26140, runt=3D600001msec
    slat (usec): min=3D0, max=3D3643, avg=3D 7.73, stdev=3D13.20
    clat (usec): min=3D7, max=3D707773, avg=3D707.63, stdev=3D1254.36
     lat (usec): min=3D9, max=3D707777, avg=3D715.36, stdev=3D1254.22
    clat percentiles (usec):
     |  1.00th=3D[   32],  5.00th=3D[   60], 10.00th=3D[   93], =
20.00th=3D[  149],
     | 30.00th=3D[  213], 40.00th=3D[  286], 50.00th=3D[  394], =
60.00th=3D[  548],
     | 70.00th=3D[  788], 80.00th=3D[ 1128], 90.00th=3D[ 1720], =
95.00th=3D[ 2352],
     | 99.00th=3D[ 3824], 99.50th=3D[ 4512], 99.90th=3D[ 6240], =
99.95th=3D[ 7136],
     | 99.99th=3D[11968]
    bw (KB  /s): min=3D 8755, max=3D112040, per=3D100.00%, =
avg=3D104619.14, stdev=3D3609.80
  write: io=3D20415MB, bw=3D34842KB/s, iops=3D8710, runt=3D600001msec
    slat (usec): min=3D1, max=3D3586, avg=3D 8.68, stdev=3D13.75
    clat (usec): min=3D9, max=3D708187, avg=3D1436.86, stdev=3D2013.35
     lat (usec): min=3D21, max=3D708192, avg=3D1445.54, stdev=3D2013.23
    clat percentiles (usec):
     |  1.00th=3D[   53],  5.00th=3D[   96], 10.00th=3D[  135], =
20.00th=3D[  203],
     | 30.00th=3D[  286], 40.00th=3D[  418], 50.00th=3D[  676], =
60.00th=3D[ 1080],
     | 70.00th=3D[ 1640], 80.00th=3D[ 2416], 90.00th=3D[ 3760], =
95.00th=3D[ 5088],
     | 99.00th=3D[ 8256], 99.50th=3D[ 9664], 99.90th=3D[12992], =
99.95th=3D[14528],
     | 99.99th=3D[19584]
    bw (KB  /s): min=3D 2978, max=3D37584, per=3D100.00%, avg=3D34861.41, =
stdev=3D1227.92
    lat (usec) : 10=3D0.01%, 20=3D0.10%, 50=3D2.69%, 100=3D6.81%, =
250=3D23.36%
    lat (usec) : 500=3D20.88%, 750=3D10.72%, 1000=3D7.56%
    lat (msec) : 2=3D16.17%, 4=3D8.84%, 10=3D2.74%, 20=3D0.11%, 50=3D0.01%=

    lat (msec) : 100=3D0.01%, 250=3D0.01%, 750=3D0.01%
  cpu          : usr=3D12.20%, sys=3D39.70%, ctx=3D10290014, majf=3D0, =
minf=3D0
  IO depths    : 1=3D0.1%, 2=3D0.1%, 4=3D0.1%, 8=3D0.2%, 16=3D64.3%, =
32=3D35.5%, >=3D64=3D0.0%
     submit    : 0=3D0.0%, 4=3D100.0%, 8=3D0.0%, 16=3D0.0%, 32=3D0.0%, =
64=3D0.0%, >=3D64=3D0.0%
     complete  : 0=3D0.0%, 4=3D95.6%, 8=3D3.5%, 16=3D0.8%, 32=3D0.1%, =
64=3D0.0%, >=3D64=3D0.0%
     issued    : total=3Dr=3D15684217/w=3D5226293/d=3D0, =
short=3Dr=3D0/w=3D0/d=3D0

Run status group 0 (all jobs):
   READ: io=3D61266MB, aggrb=3D104561KB/s, minb=3D104561KB/s, =
maxb=3D104561KB/s, mint=3D600001msec, maxt=3D600001msec
  WRITE: io=3D20415MB, aggrb=3D34841KB/s, minb=3D34841KB/s, =
maxb=3D34841KB/s, mint=3D600001msec, maxt=3D600001msec


- aurf=



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