From mboxrd@z Thu Jan  1 00:00:00 1970
From: erik quanstrom <quanstro@quanstro.net>
Date: Wed, 24 Oct 2012 03:46:00 -0400
To: 9fans@9fans.net
Message-ID: <1c671fff4a405fe0c66292ad9cc61fac@kw.quanstro.net>
In-Reply-To: <20121024073035.GA27875@dinah>
References: <CACyAnEm+K+3Zh0yttpj=FkcsQhQ-3D77mvm-HgfCa4Ff-=tZpw@mail.gmail.com>
	<3C9CB055-5F76-46DD-A48E-5E52130A913A@9srv.net>
	<CACyAnEkS4U4xjD7R2nNz7MuT94N3gUxBCzmOLwYCEKObWf+7rg@mail.gmail.com>
	<CAP6exY+nU3b1V88j4xPkJi8AeV3=xnjcPKss9z5Ny5nGfcz+mQ@mail.gmail.com>
	<CACyAnEmG20xBwrE5O2Mf6jtkWkXXOL9T_nEBDeT5+HTNXhzJ_A@mail.gmail.com>
	<50873938.9050704@gmail.com>
	<CAL4LZyi1TxE_GTG9BgQF-SjLiuv60trwq0USDgf6aHO-11+Wow@mail.gmail.com>
	<20121024073035.GA27875@dinah>
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"
Content-Transfer-Encoding: 7bit
Subject: Re: [9fans] 9grid?
Topicbox-Message-UUID: c8534e74-ead7-11e9-9d60-3106f5b1d025

On Wed Oct 24 03:32:07 EDT 2012, ality@pbrane.org wrote:
> John Floren <john@jfloren.net> once said:
> > Write a basic http server for Plan 9 (in C) and run Apache Benchmark
> > against it. Somewhere around 100 concurrent connections, I tend to get
> > failure. There's code in /sys/src/9/ip that has a hard limit on the #
> > of concurrent connections IIRC.
>
> What happens when it fails? /sys/src/9/ip/ip.h:/Nchans isn't that low.
> Do you get the "garbage collecting Convs" message from the kernel?

tcp uses scalednconv() which is basically Nchans*4.

- erik