From: Eric Dumazet <eric.dumazet@gmail.com>
To: Dave Taht <dave.taht@gmail.com>
Cc: make-wifi-fast@lists.bufferbloat.net,
"codel@lists.bufferbloat.net" <codel@lists.bufferbloat.net>,
ath10k <ath10k@lists.infradead.org>
Subject: Re: [Codel] fq_codel_drop vs a udp flood
Date: Sun, 01 May 2016 15:30:40 -0700 [thread overview]
Message-ID: <1462141840.5535.223.camel@edumazet-glaptop3.roam.corp.google.com> (raw)
In-Reply-To: <CAA93jw5JxwvLb03gR-fDdgsxT4t+nbJ979oaXBfF044QD784Bg@mail.gmail.com>
On Sun, 2016-05-01 at 11:26 -0700, Dave Taht wrote:
> On Sun, May 1, 2016 at 10:59 AM, Eric Dumazet <eric.dumazet@gmail.com> wrote:
> >
> > Well, just _kill_ the offender, instead of trying to be gentle.
>
> I like it. :) Killing off a malfunctioning program flooding the local
> network interface (intentionally or unintentionally) seems like a
> useful idea.
>
..
> Killing the bad program, and dropping all of the fattest flow strike
> me as two patches.[1]
What I meant by 'killing' was to drop more than one packet from this fat
flow, not actually killing a task.
I will submit an official patch, dropping 50% of the fat flow backlog,
and a configurable cap of 64 packets to somewhat control max ->enqueue()
latency.
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next prev parent reply other threads:[~2016-05-01 22:31 UTC|newest]
Thread overview: 108+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-01 3:41 fq_codel_drop vs a udp flood Dave Taht
2016-05-01 4:46 ` [Make-wifi-fast] " Jonathan Morton
2016-05-01 5:08 ` Ben Greear
2016-05-01 5:23 ` Dave Taht
2016-05-01 14:47 ` [Make-wifi-fast] " dpreed
2016-05-02 14:03 ` Roman Yeryomin
2016-05-02 18:40 ` Dave Taht
2016-05-05 13:55 ` Roman Yeryomin
2016-05-05 14:55 ` Roman Yeryomin
2016-05-02 19:47 ` David Lang
2016-05-01 17:59 ` [Codel] " Eric Dumazet
2016-05-01 18:20 ` Jonathan Morton
2016-05-01 18:46 ` Eric Dumazet
2016-05-01 19:55 ` Eric Dumazet
2016-05-02 7:47 ` Jesper Dangaard Brouer
2016-05-01 20:35 ` Jonathan Morton
2016-05-01 20:55 ` Eric Dumazet
2016-05-02 14:18 ` Roman Yeryomin
2016-05-02 15:07 ` Eric Dumazet
2016-05-02 15:43 ` Roman Yeryomin
2016-05-02 16:14 ` Eric Dumazet
2016-05-02 17:08 ` Dave Taht
2016-05-02 17:44 ` Eric Dumazet
2016-05-05 14:32 ` Roman Yeryomin
2016-05-05 14:53 ` Roman Yeryomin
2016-05-05 15:32 ` Dave Taht
2016-05-05 16:07 ` Roman Yeryomin
2016-05-05 16:59 ` Jonathan Morton
2016-05-05 17:39 ` Roman Yeryomin
2016-05-05 18:16 ` Dave Taht
2016-05-05 18:33 ` Dave Taht
2016-05-05 16:12 ` Eric Dumazet
2016-05-05 16:25 ` Roman Yeryomin
2016-05-05 16:42 ` Roman Yeryomin
2016-05-06 10:55 ` Roman Yeryomin
2016-05-05 19:23 ` Eric Dumazet
2016-05-05 19:41 ` Dave Taht
2016-05-06 8:41 ` moeller0
2016-05-06 11:33 ` Jesper Dangaard Brouer
2016-05-06 11:46 ` moeller0
2016-05-06 13:25 ` Eric Dumazet
2016-05-06 15:25 ` moeller0
2016-05-06 15:58 ` Eric Dumazet
2016-05-06 16:30 ` moeller0
2016-05-06 15:55 ` [PATCH net-next] fq_codel: add memory limitation per queue Eric Dumazet
2016-05-09 3:49 ` David Miller
2016-05-09 4:14 ` Cong Wang
2016-05-09 4:31 ` Eric Dumazet
2016-05-09 5:07 ` Cong Wang
2016-05-09 14:26 ` Eric Dumazet
2016-05-10 4:34 ` Cong Wang
2016-05-10 4:45 ` Eric Dumazet
2016-05-10 4:57 ` Cong Wang
2016-05-10 5:10 ` Eric Dumazet
2016-05-16 1:16 ` [PATCH net-next] fq_codel: fix memory limitation drift Eric Dumazet
2016-05-17 1:57 ` David Miller
2016-05-06 9:42 ` OpenWRT wrong adjustment of fq_codel defaults (Was: fq_codel_drop vs a udp flood) Jesper Dangaard Brouer
2016-05-06 9:42 ` OpenWRT wrong adjustment of fq_codel defaults (Was: [Codel] " Jesper Dangaard Brouer
2016-05-06 12:47 ` OpenWRT wrong adjustment of fq_codel defaults (Was: " Jesper Dangaard Brouer
2016-05-06 12:47 ` OpenWRT wrong adjustment of fq_codel defaults (Was: [Codel] " Jesper Dangaard Brouer
2016-05-06 18:43 ` OpenWRT wrong adjustment of fq_codel defaults (Was: " Roman Yeryomin
2016-05-06 18:43 ` OpenWRT wrong adjustment of fq_codel defaults (Was: [Codel] " Roman Yeryomin
2016-05-06 18:56 ` OpenWRT wrong adjustment of fq_codel defaults (Was: " Roman Yeryomin
2016-05-06 18:56 ` OpenWRT wrong adjustment of fq_codel defaults (Was: [Codel] " Roman Yeryomin
2016-05-06 19:43 ` OpenWRT wrong adjustment of fq_codel defaults (Was: " Dave Taht
2016-05-06 19:43 ` OpenWRT wrong adjustment of fq_codel defaults (Was: [Codel] " Dave Taht
2016-05-15 22:34 ` OpenWRT wrong adjustment of fq_codel defaults (Was: " Roman Yeryomin
2016-05-15 22:34 ` OpenWRT wrong adjustment of fq_codel defaults (Was: [Codel] " Roman Yeryomin
2016-05-15 23:07 ` OpenWRT wrong adjustment of fq_codel defaults (Was: " Eric Dumazet
2016-05-15 23:07 ` OpenWRT wrong adjustment of fq_codel defaults (Was: [Codel] " Eric Dumazet
2016-05-15 23:27 ` OpenWRT wrong adjustment of fq_codel defaults (Was: " Roman Yeryomin
2016-05-15 23:27 ` OpenWRT wrong adjustment of fq_codel defaults (Was: [Codel] " Roman Yeryomin
2016-05-16 8:12 ` [Make-wifi-fast] OpenWRT wrong adjustment of fq_codel defaults (Was: " David Lang
2016-05-16 8:12 ` [Make-wifi-fast] OpenWRT wrong adjustment of fq_codel defaults (Was: [Codel] " David Lang
2016-05-16 8:26 ` Roman Yeryomin
2016-05-16 8:26 ` Roman Yeryomin
2016-05-16 8:46 ` [Make-wifi-fast] OpenWRT wrong adjustment of fq_codel defaults (Was: " David Lang
2016-05-16 8:46 ` [Make-wifi-fast] OpenWRT wrong adjustment of fq_codel defaults (Was: [Codel] " David Lang
2016-05-16 10:34 ` [OpenWrt-Devel] [Make-wifi-fast] OpenWRT wrong adjustment of fq_codel defaults (Was: " Sebastian Moeller
2016-05-16 10:34 ` [OpenWrt-Devel] [Make-wifi-fast] OpenWRT wrong adjustment of fq_codel defaults (Was: [Codel] " Sebastian Moeller
2016-05-16 8:14 ` OpenWRT wrong adjustment of fq_codel defaults (Was: " Roman Yeryomin
2016-05-16 8:14 ` OpenWRT wrong adjustment of fq_codel defaults (Was: [Codel] " Roman Yeryomin
2016-05-16 14:23 ` [Make-wifi-fast] OpenWRT wrong adjustment of fq_codel defaults (Was: " Eric Dumazet
2016-05-16 14:23 ` [Make-wifi-fast] OpenWRT wrong adjustment of fq_codel defaults (Was: [Codel] " Eric Dumazet
2016-05-16 16:04 ` Dave Taht
2016-05-16 16:04 ` Dave Taht
2016-05-16 19:46 ` OpenWRT wrong adjustment of fq_codel defaults (Was: " Roman Yeryomin
2016-05-16 19:46 ` OpenWRT wrong adjustment of fq_codel defaults (Was: [Codel] " Roman Yeryomin
2016-05-07 9:57 ` Kevin Darbyshire-Bryant
2016-05-15 22:47 ` Roman Yeryomin
2016-05-15 22:47 ` Roman Yeryomin
2016-05-03 2:26 ` [Codel] fq_codel_drop vs a udp flood Dave Taht
2016-05-03 5:21 ` Dave Taht
2016-05-03 12:39 ` Agarwal, Anil
2016-05-03 12:50 ` Agarwal, Anil
2016-05-03 13:35 ` Eric Dumazet
2016-05-03 15:37 ` Agarwal, Anil
2016-05-03 17:37 ` Dave Taht
2016-05-03 17:54 ` Eric Dumazet
2016-05-03 18:11 ` Dave Taht
2016-05-03 13:20 ` Kevin Darbyshire-Bryant
2016-05-01 18:26 ` Dave Taht
2016-05-01 22:30 ` Eric Dumazet [this message]
2016-05-02 14:09 ` Roman Yeryomin
2016-05-02 15:04 ` Eric Dumazet
2016-05-02 15:42 ` Roman Yeryomin
2016-05-02 13:47 ` [Make-wifi-fast] " Roman Yeryomin
2016-05-02 15:01 ` Eric Dumazet
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