Groups > linux.debian.user > #161923

Re: Intel 82576 Gigabit on Debian 7 slow speed.

From	Frank Pikelner <frank.pikelner@gmail.com>
Newsgroups	linux.debian.user
Subject	Re: Intel 82576 Gigabit on Debian 7 slow speed.
Date	2015-12-20 01:40 +0100
Message-ID	<qHAcx-1QI-1@gated-at.bofh.it> (permalink)
References	(1 earlier) <qH4mn-6QB-61@gated-at.bofh.it> <qH7ke-ff-17@gated-at.bofh.it> <qHc0x-3j8-1@gated-at.bofh.it> <qHrVE-52J-13@gated-at.bofh.it> <qHsym-5vX-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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There appear to be driver issues discussed in other threads with
respect to Intel driver and slow throughput due to interrupts and CPU
offloading. May want to review driver parameters and look at trying a
few changes.

Frank

On Sat, Dec 19, 2015 at 11:24 AM, Sven Hartge <sven@svenhartge.de> wrote:
> Mimiko <vbvbrj@gmail.com> wrote:
>
>> After reviewing the results of test, I've modified smb.conf. I've added
>> max protocol = SMB2 and removed SO_RCVBUF=8192 SO_SNDBUF=8192 from
>> socket options. The read speed from this server increased to 40MB/s, the
>> write speed to this server increased to 30MB/s.
>
> The SO_*BUF options have been deprecated a long long time ago. They made
> sense with a 10MBit/s network but reduce the speed with anything faster,
> as you have seen.
>
> Unfortunately many HOWTOs still contain them and advise to use them
> without understanding what they do. A kind of cargo cult.
>
> Grüße,
> Sven.
>
> --
> Sigmentation fault. Core dumped.
>

Thread

Intel 82576 Gigabit on Debian 7 slow speed. Mimiko <vbvbrj@gmail.com> - 2015-12-18 12:40 +0100
  Re: Intel 82576 Gigabit on Debian 7 slow speed. Michael Beck <eliteknipser@gmail.com> - 2015-12-18 15:40 +0100
    Re: Intel 82576 Gigabit on Debian 7 slow speed. Mimiko <vbvbrj@gmail.com> - 2015-12-18 18:50 +0100
      Re: Intel 82576 Gigabit on Debian 7 slow speed. Dan Ritter <dsr@randomstring.org> - 2015-12-18 23:50 +0100
        Re: Intel 82576 Gigabit on Debian 7 slow speed. Mimiko <vbvbrj@gmail.com> - 2015-12-19 16:50 +0100
          Re: Intel 82576 Gigabit on Debian 7 slow speed. Sven Hartge <sven@svenhartge.de> - 2015-12-19 17:30 +0100
            Re: Intel 82576 Gigabit on Debian 7 slow speed. Frank Pikelner <frank.pikelner@gmail.com> - 2015-12-20 01:40 +0100
          Re: Intel 82576 Gigabit on Debian 7 slow speed. David Christensen <dpchrist@holgerdanske.com> - 2015-12-20 04:30 +0100
            Re: Intel 82576 Gigabit on Debian 7 slow speed. Mimiko <vbvbrj@gmail.com> - 2015-12-20 17:40 +0100
              Re: Intel 82576 Gigabit on Debian 7 slow speed. David Christensen <dpchrist@holgerdanske.com> - 2015-12-21 09:00 +0100
                Re: Intel 82576 Gigabit on Debian 7 slow speed. Mimiko <vbvbrj@gmail.com> - 2015-12-22 08:30 +0100
                Re: Intel 82576 Gigabit on Debian 7 slow speed. David Christensen <dpchrist@holgerdanske.com> - 2015-12-22 11:00 +0100
              Re: Intel 82576 Gigabit on Debian 7 slow speed. David Christensen <dpchrist@holgerdanske.com> - 2015-12-22 23:00 +0100
            Re: Intel 82576 Gigabit on Debian 7 slow speed. Mimiko <vbvbrj@gmail.com> - 2015-12-20 18:20 +0100
              Re: Intel 82576 Gigabit on Debian 7 slow speed. David Christensen <dpchrist@holgerdanske.com> - 2015-12-21 09:30 +0100
                Re: Intel 82576 Gigabit on Debian 7 slow speed. David Christensen <dpchrist@holgerdanske.com> - 2015-12-21 10:00 +0100
      Re: Intel 82576 Gigabit on Debian 7 slow speed. David Christensen <dpchrist@holgerdanske.com> - 2015-12-19 06:20 +0100
  Re: Intel 82576 Gigabit on Debian 7 slow speed. David Christensen <dpchrist@holgerdanske.com> - 2015-12-19 03:20 +0100

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