We are using Nginx with PHP-FPM for Magento Enterprise Edition 1.12
Everything works fine but when we get visitors over 150 the speed drops. During this time we have noticed that CPU utilization is 10% with over 40% free mem.
Server Configuration:
CPU 2 x Intel Xeon E5-2680 2.7 GHz 8 Cores 16 Threads 8 GT/s (w H/T) RAM 8GB x 8 = 64 GB Total NIC 1G connected to Firewall NIC 1G connected to DB server running percona MySQL Configuration: nginx.conf
user nginx; worker_processes 32; error_log /var/log/nginx/error.log; pid /var/run/nginx.pid; events { worker_connections 1024; # multi_accept on; } http { include mime.types; default_type application/octet-stream; log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; access_log /var/log/nginx/access.log main; sendfile on; tcp_nopush on; tcp_nodelay off; autoindex off; keepalive_timeout 10; ## detect https map $scheme $fastcgi_https { default off; https on; } # Store FastCGI Cached (microcaching) of PHP pages in our tmpfs ramdisk fastcgi_cache_path /tmpfs/nginx levels=1:2 keys_zone=mage:5m max_size=1g inactive=1h; open_file_cache max=10000 inactive=30m; open_file_cache_valid 10m; open_file_cache_min_uses 2; open_file_cache_errors on; proxy_read_timeout 10; upstream phpfpm { server localhost:9000; } gzip on; gzip_http_version 1.0; gzip_comp_level 2; gzip_proxied any; gzip_min_length 1100; gzip_buffers 16 8k; gzip_types text/plain text/css application/x-javascript text/xml application/xml application/xml+rss text/javascript; # Some version of IE 6 don't handle compression well on some mime-types, so just disable for them gzip_disable "MSIE [1-6].(?!.*SV1)"; # Set a vary header so downstream proxies don't send cached gzipped content to IE6 gzip_vary on; # Load config files from the /etc/nginx/conf.d directory include /etc/nginx/conf.d/*.conf; # Health-check server server { listen 80; server_name localhost; charset utf-8; access_log off; location / { root share/nginx/html; index index.html index.htm; } #error_page 404 /404.html; # redirect server error pages to the static page /50x.html error_page 500 502 503 504 /50x.html; location = /50x.html { root share/nginx/html; } } }
Configurtation PHP-FPM.conf
[global] pid = /var/run/php-fpm/php-fpm.pid error_log = /var/log/php-fpm/error.log [www] listen = 127.0.0.1:9000 listen.backlog = 65536 listen.allowed_clients = 127.0.0.1 user = nginx group = nginx request_terminate_timeout = 600 pm = static pm.max_children = 846 #pm.start_servers = 200 #pm.min_spare_servers = 200 #pm.max_spare_servers = 200 pm.max_requests = 10000 slowlog = /var/log/php-fpm/www-slow.log configuation fastcgi.conf
#fastcgi_set_header "Set-Cookie"; #if ($http_cookie != "X-Store=1" ) { # add_header Set-Cookie "X-Store=1; path=/"; #} ## Catch 404s that try_files miss if (!-e $request_filename) { rewrite / /index.php last; } ## Blacklist media location from fcgi if ($uri !~ "^/(media|skin|js)/") { fastcgi_pass phpfpm; } ## Tell the upstream who is making the request proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_redirect off; # Ensure PHP knows when we use HTTPS fastcgi_param HTTPS $fastcgi_https; ## Fcgi Settings include fastcgi_params; fastcgi_connect_timeout 60; fastcgi_send_timeout 60; fastcgi_read_timeout 300; fastcgi_buffer_size 4k; fastcgi_buffers 512 4k; fastcgi_busy_buffers_size 8k; fastcgi_temp_file_write_size 256k; fastcgi_intercept_errors off; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; fastcgi_param SCRIPT_NAME $fastcgi_script_name; # nginx will buffer objects to disk that are too large for the buffers above fastcgi_temp_path /tmpfs/nginx/tmp 1 2; #fastcgi_keep_conn on; # NGINX 1.1.14 expires off; ## Do not cache dynamic content Top
top - 13:24:45 up 5:58, 1 user, load average: 0.88, 0.70, 0.71 Tasks: 1465 total, 3 running, 1462 sleeping, 0 stopped, 0 zombie Cpu(s): 4.1%us, 0.1%sy, 0.0%ni, 95.8%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st Mem: 65942708k total, 38795452k used, 27147256k free, 213844k buffers Swap: 8388600k total, 0k used, 8388600k free, 1263300k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 3300 nginx 20 0 1404m 169m 127m S 28.3 0.3 0:30.33 php-fpm 4165 nginx 20 0 1401m 156m 117m S 26.0 0.2 0:30.17 php-fpm 4072 nginx 20 0 1410m 163m 118m S 22.7 0.3 0:27.75 php-fpm 3710 nginx 20 0 1402m 163m 123m R 12.8 0.3 0:32.39 php-fpm 3578 nginx 20 0 1401m 157m 118m S 11.9 0.2 0:27.39 php-fpm We are using magento enterprise and using Full Page Cache. APC is also installed and active.
Problem: Get extremely slow during high traffic.
Steve
htopinstead oftop.