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Date: Fri, 4 Jul 2014 19:50:33 +0000
From: Eric Wong <e@80x24.org>
To: Damian Janowski <jano@dimaion.com>
Cc: rainbows-public@bogomips.org
Subject: Re: Slow response with HTTP 1.1?
Message-ID: <20140704195032.GA13152@dcvr.yhbt.net>
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Damian Janowski <jano@dimaion.com> wrote:
> Hi,
> 
> I'm seeing very slow (or time outs, depending on the client) for
> requests made over HTTP 1.1. If I force curl to use HTTP 1.0,
> everything works quickly.
> 
> The behavior is consistent over curl or when using Rainbows behind Varnish.
> 
> Any ideas?

<snip>

> $ time curl localhost:8080/ping -vv

<snip>

> * HTTP 1.1 or later with persistent connection, pipelining supported
> < HTTP/1.1 200 OK
> < Date: Fri, 04 Jul 2014 15:02:47 GMT
> < Status: 200 OK
> < Content-Type: text/plain; charset=UTF-8
> < Connection: keep-alive
> * no chunk, no close, no size. Assume close to signal end

Your app is missing the Rack::ContentLength (and Rack::Chunked)
middlewares.  This is mentioned at the bottom of the manpage[1],
but I suspect it might be necessary to add a FAQ entry.

[1] http://rainbows.bogomips.org/rainbows.1.html