Re: FYI: Tools to evaluate header compression algorithms

Ilya Grigorik <ilya@igvita.com> Sun, 06 January 2013 20:38 UTC

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References: <B7943590-9C82-4B5B-B084-89347B9B7D6A@mnot.net> <A7C46E35-DFC2-4E7B-A41A-5074ACEBA31C@mnot.net> <50E93B9B.1080506@it.aoyama.ac.jp> <CAP+FsNeKot9cuZprj3aeZ3HF_H8-E40OT98x-Vh7F6HoRFr_RA@mail.gmail.com>
From: Ilya Grigorik <ilya@igvita.com>
Date: Sun, 06 Jan 2013 12:34:35 -0800
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To: Roberto Peon <grmocg@gmail.com>
Cc: "Martin J. Dürst" <duerst@it.aoyama.ac.jp>, Mark Nottingham <mnot@mnot.net>, "ietf-http-wg@w3.org Group" <ietf-http-wg@w3.org>
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Subject: Re: FYI: Tools to evaluate header compression algorithms
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On Sun, Jan 6, 2013 at 1:55 AM, Roberto Peon <grmocg@gmail.com> wrote:

> Do you have some suggestions Martin?
> The obvious thing in my mind is to get submissions from site owners, but
> that takes interest on their part first. :/
>

HTTP Archive is now scanning ~300K top domains (at least according to
Alexa). While its still "top site" biased, I think that's a pretty good
sample to work with. I believe we should be able to get the HAR files from
it.

ig



>
> On Sun, Jan 6, 2013 at 12:53 AM, "Martin J. Dürst" <duerst@it.aoyama.ac.jp
> > wrote:
>
>> On 2013/01/06 14:57, Mark Nottingham wrote:
>>
>>> Quick follow-up:
>>>
>>> I posted more about this here:
>>>    http://www.mnot.net/blog/2013/**01/04/http2_header_compression<http://www.mnot.net/blog/2013/01/04/http2_header_compression>
>>>
>>> In particular, we have graphs for all of the HAR samples I took earlier:
>>>    http://http2.github.com/http_**samples/mnot/<http://http2.github.com/http_samples/mnot/>
>>>
>>
>> These look very interesting. Just two points for the moment:
>>
>> - Drawing connected curves seems misleading, because we are not
>> mesuring/showing a continuous quantity that varies over time, but discrete
>> requests and responses.
>>
>> - The data sample includes big guys only. Some criticism of speedy has
>> said that it is geared towards the big guys. Is there a way to get some
>> more of an impression of how headers look at the long tail of websites?
>>
>> Regards,   Martin.
>>
>>
>