Statistics problem

Basil Mohamed Gohar abu_hurayrah at
Wed Apr 29 23:07:49 UTC 2009

Hash: SHA1

On 04/30/2009 02:40 AM, Axel Thimm wrote:
> On Wed, Apr 29, 2009 at 09:09:27PM +0800, Basil Mohamed Gohar wrote:
>> On 04/29/2009 08:20 PM, Axel Thimm wrote:
>>> On Tue, Apr 28, 2009 at 11:17:55AM -0400, Paul W. Frields wrote:
>>>>> Maybe the cleanest solution is to count downloaded bytes and divide by
>>>>> image size. That way you properly count ranged downloads.
>>>> Command suggestions are very welcome.  I really don't have time to
>>>> delve into this incredibly deeply at the moment.
>>> Could you post a small fragment of the raw logs? But it seems like all
>>> we see are the primary redirects, possibly w/o noting ranges in the
>>> logs. E.g. for better statistics the logs would need to capture the
>>> ranges from the head as well.
>> I think that information is not available, because no one (almost)
>> downloads directly from the Fedora servers, only from the mirrors.
>> Therefore, the real data, like range requests, etc., would only be on
>> the mirror servers themselves, and not on the primary ones.
> Isn't a range request sent in the header of the HTTP request which
> would hit the Fedora servers before being redirected?

Not if the range request was after being redirected.  I think, in the
same download, the redirect is only processed once, even if it is a
temporary one.  Therefore, unless the first request was a partial
content one, then the connection has already been redirected to the
mirror server, and thus the main Fedora server will not see it.

I'd draw a diagram, but I'm terrible at doing so.
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