#172 closed defect (invalid)
gzip returning bigger response bodies than uncompressed
| Reported by: | Jens Rantil | Owned by: | somebody |
|---|---|---|---|
| Priority: | minor | Milestone: | |
| Component: | nginx-module | Version: | |
| Keywords: | Cc: | ||
| uname -a: | Linux XXXXXXX 2.6.32-5-amd64 #1 SMP Sat May 5 01:12:59 UTC 2012 x86_64 GNU/Linux | ||
| nginx -V: |
nginx version: nginx/0.7.67
TLS SNI support enabled configure arguments: --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-client-body-temp-path=/var/lib/nginx/body --http-fastcgi-temp-path=/var/lib/nginx/fastcgi --http-log-path=/var/log/nginx/access.log --http-proxy-temp-path=/var/lib/nginx/proxy --lock-path=/var/lock/nginx.lock --pid-path=/var/run/nginx.pid --with-debug --with-http_dav_module --with-http_flv_module --with-http_geoip_module --with-http_gzip_static_module --with-http_realip_module --with-http_stub_status_module --with-http_ssl_module --with-http_sub_module --with-ipv6 --with-mail --with-mail_ssl_module --add-module=/tmp/buildd/nginx-0.7.67/modules/nginx-upstream-fair |
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Description
I have just enabled gzip compression, and $gzip_ratio logging, in a nginx server. Skimming through my access logs I notice that some of the response bodies are larger than uncompressed. In this case, wouldn't it be reasonable to return a non-compressed body instead? Should this be considered a bug?
Change History (3)
comment:1 by , 13 years ago
comment:2 by , 13 years ago
| Resolution: | → invalid |
|---|---|
| Status: | new → closed |
Closing this as this is clearly not a bug.
comment:3 by , 13 years ago
Moreover, even if body hasn't been sent yet (was fully buffered), then headers were.
I recommend you to specify the proper MIME types and do not try to compress already compressed data (like png images and so).
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In general, you don't know what the ratio will be until you compute it. Having it computed in nginx means that the server already sent the compressed data to a client. You can play with gzip module settings like gzip_min_length and gzip_comp_level.
As an aside, could you please stop sending (what you think are) bug reports, and instead consult with the mailing list first? :)