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Date:      Mon, 19 Oct 2015 09:47:39 -0700
From:      hiren panchasara <hiren@strugglingcoder.info>
To:        Luigi Rizzo <rizzo@iet.unipi.it>
Cc:        "Eggert, Lars" <lars@netapp.com>, "jfv@FreeBSD.org" <jfv@freebsd.org>, "ricera10@gmail.com" <ricera10@gmail.com>, Giuseppe Lettieri <g.lettieri@iet.unipi.it>, "net@freebsd.org" <net@freebsd.org>
Subject:   Re: ixl 40G bad performance?
Message-ID:  <20151019164739.GH87252@strugglingcoder.info>
In-Reply-To: <CA%2BhQ2%2BiGk5Bx5mZ8v7K9cPdiNcJgBz99kmP8=twFnETw-bi2vw@mail.gmail.com>
References:  <79830D9D-94E6-47A9-92B9-D63DF5432272@netapp.com> <CA%2BhQ2%2Bj5PkmRWe-ydahExfvOj%2BzestFEn%2B5DZ9_acG2Z_v=8_w@mail.gmail.com> <C81B629B-67D5-4E5B-A215-452E837BE673@netapp.com> <CA%2BhQ2%2BiGk5Bx5mZ8v7K9cPdiNcJgBz99kmP8=twFnETw-bi2vw@mail.gmail.com>

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On 10/19/15 at 08:11P, Luigi Rizzo wrote:
> On Monday, October 19, 2015, Eggert, Lars <lars@netapp.com> wrote:
>=20
> >
> > How do I turn off flow director?
>=20
>=20
> I am not sure if it is enabled I'm FreeBSD. It is in linux and almost
> halves the pkt rate with netmap (from 35 down to 19mpps).
> Maybe it is not too bad for bulk TCP.
>

Flow director support is incomplete on FreeBSD and that's why it is
disabled by default.

Cheers,
Hiren

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