netdev - Re: [PATCH IPROUTE2] tc-codel: Add manpage

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAA93jw5m=CdzNhKixWBRNcGf0zuQEXY7T9n0b6Yi=i_0OBvXfg@mail.gmail.com>
Date:	Thu, 24 May 2012 19:28:09 +0100
From:	Dave Taht <dave.taht@...il.com>
To:	Vijay Subramanian <subramanian.vijay@...il.com>
Cc:	Eric Dumazet <eric.dumazet@...il.com>, netdev@...r.kernel.org,
	Stephen Hemminger <shemminger@...tta.com>
Subject: Re: [PATCH IPROUTE2] tc-codel: Add manpage

well, it would be nice if codel could sense it was on 10gigE or
greater, and self adjust.

On Thu, May 24, 2012 at 7:19 PM, Vijay Subramanian
<subramanian.vijay@...il.com> wrote:
>>> +.SS target
>>> +Default and recommended value is 5ms.
>>
>> Although I can tell I prefer lower values on hosts.
>>
>> On 10Gbe links, I used 500us target
>>
>>> +.SS interval
>>> +give endpoints sufficient time to react.  Default value is 100ms.
>>
>> Same here. In a datacenter, you might reduce this to 20ms or so...
>>
>
> Thanks for the insight. The paper does claim that codel can be run
> with the same setting, regardless of link rate.
> I guess reality is different.
>
> Thanks,
> Vijay



-- 
Dave Täht
SKYPE: davetaht
US Tel: 1-239-829-5608
http://www.bufferbloat.net
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html