From: Eric Dumazet <eric.dumazet@gmail.com>
To: Dave Taht <dave.taht@gmail.com>
Cc: codel@lists.bufferbloat.net
Subject: Re: [Codel] usage of 'count' in codel
Date: Sun, 06 May 2012 21:47:14 +0200 [thread overview]
Message-ID: <1336333634.3752.2226.camel@edumazet-glaptop> (raw)
In-Reply-To: <CAA93jw7YjCznyOXR7Od89Ecrf21gwfrYq9Rmf8R8Tfanw35mzQ@mail.gmail.com>
On Sun, 2012-05-06 at 12:15 -0700, Dave Taht wrote:
> On Sun, May 6, 2012 at 11:49 AM, Eric Dumazet <eric.dumazet@gmail.com> wrote:
> > On Sun, 2012-05-06 at 11:26 -0700, Dave Taht wrote:
>
> > Well, these are Intel 82599 dual ports cards, and they work pretty well.
>
> I guess my question was more what is BQL doing on those puppies?
>
BQL is working flawlessly (ixgbe driver). I actually can see cache
misses in pfifo_fast (and ixbe start_xmit function) because packets stay
longer in Qdisc queues (instead of being immediately queued to NIC TX
ring). Some prefetch() additions are in testing.
> Man, have these come down in price.
>
> http://www.newegg.com/Product/Product.aspx?Item=N82E16833106044&nm_mc=OTC-Froogle&cm_mmc=OTC-Froogle-_-Network+-+Interface+Cards-_-Intel-_-33106044
>
> the switches are still pricy tho.
I have no switches yet (I mean in my home lab), just 2 fibers and direct
connect.
(So I have 2x10Gb speed if I setup bonding)
>
> Ah well, back to the wndr3800 and 2-300Mbit speeds for the nonce.
>
> /me looks wistfully at cards one last time...
>
prev parent reply other threads:[~2012-05-06 19:47 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAA93jw7bnQED7QXc_jgsEyf-ydR0Bo-OazBZOTXDQ9nYYCgpJw@mail.gmail.com>
[not found] ` <1336281092.3752.982.camel@edumazet-glaptop>
[not found] ` <1336283203.3752.1032.camel@edumazet-glaptop>
[not found] ` <1336315913.3752.1598.camel@edumazet-glaptop>
[not found] ` <1336324134.3752.1825.camel@edumazet-glaptop>
2012-05-06 17:20 ` Jim Gettys
2012-05-06 17:58 ` dave taht
2012-05-06 18:25 ` Simon Barber
2012-05-06 18:41 ` Dave Taht
2012-05-06 18:48 ` Eric Dumazet
2012-05-06 18:15 ` Eric Dumazet
2012-05-06 18:26 ` Dave Taht
2012-05-06 18:49 ` Eric Dumazet
2012-05-06 19:15 ` Dave Taht
2012-05-06 19:47 ` Eric Dumazet [this message]
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