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nginx.conf optimizations: # use the number of logical cores / threads:
worker_processes 8; worker_connections 1024;
multi_accept on; # log buffer (reduce slow disc writes) access_log /var/log/nginx/access.log main buffer=16k;
# gzip config gzip on; gzip_disable "msie6"; gzip_min_length 1400; gzip_vary on; gzip_proxied any; gzip_comp_level 6; gzip_buffers 16 8k; gzip_http_version 1.1; gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript;
# Cache information about frequently accessed files open_file_cache max=2000 inactive=20s; open_file_cache_valid 60s; open_file_cache_min_uses 5; open_file_cache_errors off;
# buffers optimzed: client_max_body_size 20m; client_body_buffer_size 128k; # fix 169 upstream sent too big header while reading response header from upstream proxy_buffer_size 128k; proxy_buffers 4 256k; proxy_busy_buffers_size 256k; proxy_connect_timeout 1200s; proxy_send_timeout 1200s; proxy_read_timeout 1200s; fastcgi_send_timeout 1200s; fastcgi_read_timeout 1200s; # mitigate https://httpoxy.org: fastcgi_param HTTP_PROXY "";
tcp_nopush on; tcp_nodelay on; #tcp_nopush off; # -> 0,1s - 0,3s slower keepalive_timeout 5; # instead of 65 - less ressources, same performance
dotdeb packages include mod_pagespeed for nginx in wheezy
add dotdeb repos to /etc/apt/sources.list:
deb http://packages.dotdeb.org wheezy all deb-src http://packages.dotdeb.org wheezy all
update and install nginx-extras from dotdeb:
apt-get update apt-get install nginx-extras
create cache dir:
mkdir /var/cache/ngx_pagespeed/ chown www-data:www-data /var/cache/ngx_pagespeed/
edit /etc/nginx/sites-available/default:
server { #.... pagespeed on; pagespeed RewriteLevel CoreFilters; pagespeed FileCachePath "/var/cache/ngx_pagespeed/"; pagespeed EnableFilters combine_css,combine_javascript,remove_comments,collapse_whitespace; #.... }
play with the filters:
https://developers.google.com/speed/pagespeed/module/config_filters
URL-Encoding with Umlauten is a problem. Here is howto fix it:
rewrite (*UTF8)^/[öüäÖÜÄßa-zA-Z][a-zA-Z]/index.php(.*)$ /index.php$1;
TBD