Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 12 Nov 2012 09:43:46 -0800
From:      Alfred Perlstein <bright@mu.org>
To:        Andre Oppermann <oppermann@networx.ch>
Cc:        "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, Adrian Chadd <adrian@freebsd.org>, Peter Wemm <peter@wemm.org>
Subject:   Re: auto tuning tcp
Message-ID:  <EB2C22B5-C18D-4AC2-8694-C5C0D96C07B3@mu.org>
In-Reply-To: <50A0C0F4.8010706@networx.ch>
References:  <50A0A0EF.3020109@mu.org> <50A0A502.1030306@networx.ch> <50A0B8DA.9090409@mu.org> <50A0C0F4.8010706@networx.ch>

next in thread | previous in thread | raw e-mail | index | archive | help


On Nov 12, 2012, at 1:27 AM, Andre Oppermann <oppermann@networx.ch> wrote:

> On 12.11.2012 09:52, Alfred Perlstein wrote:
>> On 11/11/12 11:28 PM, Andre Oppermann wrote:
>>> On 12.11.2012 08:10, Alfred Perlstein wrote:
>>>> I noticed that TCBHASHSIZE does not autotune.
>>>> 
>>>> What do you think of the following algorithm?
>>>> 
>>>> Basically round down to next power of two based on nmbclusters / 64.
>>> 
>>> Please wait out for a real fix of the various mbuf-whatever tuning
>>> issue I'll propose shortly.  This approach may become inapproriate.
>>> Also the mbuf limits can be changed at runtime by sysctl.
>>> 
>> What is the timeline you are asking for to wait?
> 
> http://svnweb.freebsd.org/changeset/base/242910

Very cool!

So instead of nmbclusters, will maxsockets work?  Ideas/suggestions?

-Alfred. 



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?EB2C22B5-C18D-4AC2-8694-C5C0D96C07B3>