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Posted to dev@tomcat.apache.org by bu...@apache.org on 2019/07/08 17:12:21 UTC

[Bug 62072] Add support for request compression

https://bz.apache.org/bugzilla/show_bug.cgi?id=62072

--- Comment #1 from Eugène Adell <eu...@gmail.com> ---

Compression can be used with both Content-Encoding or Transfer-Encoding, in
practice we see Transfer-Encoding much more than the other as the compression
is delegated to the web server, not to the filesystem itself or DB storage
(from my understanding Content-Encoding means the ressource is itself in
compressed state).

Compression is not always a good idea : it was removed from TLS (1.3) after
BREACH/CRIME since it can compromise client-side, and even when SSL is not used
it can lead to serious problems compromising server-side (such as
https://en.wikipedia.org/wiki/Zip_bomb )

However, I've seen big performance improvements on servers sending compressed
data when the homepage is heavy in text/javascript (10 mB)

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