Python list archives double-gzipped?
Tim Chase
python.list at tim.thechases.com
Mon Aug 27 12:53:04 EDT 2012
On 08/27/12 08:52, Andreas Perstinger wrote:
> On 27.08.2012 03:40, Tim Chase wrote:
>> So it looks like some python-list@ archiving process is double
>> gzip'ing the archives. Can anybody else confirm this and get the
>> info the right people?
>
> If you send the "Accept-Encoding: gzip, deflate"-header, the server will
> gzip the file a second time (which is arguably unnecessary) and responds
> with "Content-Encoding: gzip" and "Content-Type: application/x-gzip"
> (which is IMHO correct according to RFC2616/14.11 and 14.17[3]).
> But because many servers apparently don't set correct headers, the
> default behaviour of most browsers nowadays is to ignore the
> content-encoding for gzip files (application/x-gzip - see bug report for
> firefox[4] and chromium[5]) and don't uncompress the outer layer,
> leading to a double gzipped file in this case.
That corresponds with what I see in various testing. To whomever
controls the python.org web-server, is it possible to tweak Apache
so that it doesn't try to gzip *.gz files? It may ameliorate the
problem, as well as reduce server load (since it's actually taking
the time to make the file larger)
-tkc
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