id summary reporter owner description type status priority milestone component version resolution keywords cc uname nginx_version 1046 ngx_http_gzip_filter_module is leaking burkov@… "It seems that gzip filter module is leaking. I'm using nginx for gzipping my stream server data: {{{ http { gzip on; gzip_comp_level 1; gzip_proxied any; gzip_types application/octet-stream; server { listen 8080; chunked_transfer_encoding on; location /stream { proxy_buffering off; proxy_pass http://localhost:8081; } } } }}} In this example `http://localhost:8081` sends chunked http response of infinite size on every request I've tried to estimate this issue debugging `ngx_http_filter_module.c` but was not able to fix it. It looks like `ctx->request->pool` is leaking (?), every new `ngx_palloc(..)` on it gives increasing memory addresses. After 24+ hours of such workload nginx workers RSS on my server takes up to 3-4 Gb of RAM I've done a small app which show the problem: https://github.com/burkov/gzip_streamer You'll need JDK to compile and run it. Hope this help." defect closed major nginx-module 1.10.x fixed gzip, memory, leakage Linux 4.4.0-28-generic #47-Ubuntu SMP Fri Jun 24 10:09:13 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux "nginx version: nginx/1.10.1 built with OpenSSL 1.0.2g-fips 1 Mar 2016 TLS SNI support enabled configure arguments: --with-cc-opt='-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2' --with-ld-opt='-Wl,-Bsymbolic-functions -fPIE -pie -Wl,-z,relro -Wl,-z,now' --prefix=/usr/share/nginx --conf-path=/etc/nginx/nginx.conf --http-log-path=/var/log/nginx/access.log --error-log-path=/var/log/nginx/error.log --lock-path=/var/lock/nginx.lock --pid-path=/run/nginx.pid --http-client-body-temp-path=/var/lib/nginx/body --http-fastcgi-temp-path=/var/lib/nginx/fastcgi --http-proxy-temp-path=/var/lib/nginx/proxy --http-scgi-temp-path=/var/lib/nginx/scgi --http-uwsgi-temp-path=/var/lib/nginx/uwsgi --with-debug --with-pcre-jit --with-ipv6 --with-http_ssl_module --with-http_stub_status_module --with-http_realip_module --with-http_auth_request_module --with-http_addition_module --with-http_dav_module --with-http_flv_module --with-http_geoip_module --with-http_gunzip_module --with-http_gzip_static_module --with-http_image_filter_module --with-http_mp4_module --with-http_perl_module --with-http_random_index_module --with-http_secure_link_module --with-http_v2_module --with-http_sub_module --with-http_xslt_module --with-mail --with-mail_ssl_module --with-stream --with-stream_ssl_module --with-threads --add-module=/build/nginx-3I6R0c/nginx-1.10.1/debian/modules/headers-more-nginx-module --add-module=/build/nginx-3I6R0c/nginx-1.10.1/debian/modules/nginx-auth-pam --add-module=/build/nginx-3I6R0c/nginx-1.10.1/debian/modules/nginx-cache-purge --add-module=/build/nginx-3I6R0c/nginx-1.10.1/debian/modules/nginx-dav-ext-module --add-module=/build/nginx-3I6R0c/nginx-1.10.1/debian/modules/nginx-development-kit --add-module=/build/nginx-3I6R0c/nginx-1.10.1/debian/modules/nginx-echo --add-module=/build/nginx-3I6R0c/nginx-1.10.1/debian/modules/ngx-fancyindex --add-module=/build/nginx-3I6R0c/nginx-1.10.1/debian/modules/nginx-http-push --add-module=/build/nginx-3I6R0c/nginx-1.10.1/debian/modules/nginx-lua --add-module=/build/nginx-3I6R0c/nginx-1.10.1/debian/modules/nginx-upload-progress --add-module=/build/nginx-3I6R0c/nginx-1.10.1/debian/modules/nginx-upstream-fair --add-module=/build/nginx-3I6R0c/nginx-1.10.1/debian/modules/ngx_http_substitutions_filter_module"