Add Support for Variant ETags
mdounin at mdounin.ru
Fri Dec 13 11:12:58 UTC 2013
On Thu, Dec 12, 2013 at 04:30:07PM -0800, Aaron Peschel wrote:
> Weak ETAGs proved to be insufficient to meet my requirements.
> Apache has solved their issues with ETAGs by appending the type of the variant
> to the existing ETAG. For example, the ETAG for a gzip variant would have -gzip
> appended (EG "abc123" becomes "abc123-gzip"). This seems like a reasonable
> solution to me, and it should work with Nginx as well.
This is incorrect solution, as gzipping may result in many
different byte representations of a resource. Strict entity tags
aren't allowed as a result.
See also this ticket for some related discussion:
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