説明†nginxが同時に開けファイル数の制御の設定です。 手順†# ab -c 1024 -n 10240 http://hogehoge.com/ Too many open files # ps aux | grep nginx root 13206 0.0 0.0 44720 1184 ? Ss 18:53 0:00 nginx: master process /usr/sbin/nginx -c /etc/nginx/nginx.conf nginx 13207 1.0 0.0 45212 2276 ? S 18:53 0:00 nginx: worker process nginx 13208 0.0 0.0 45108 1916 ? S 18:53 0:00 nginx: worker process nginx 13209 0.5 0.0 45212 2276 ? S 18:53 0:00 nginx: worker process nginx 13210 0.0 0.0 45108 1864 ? S 18:53 0:00 nginx: worker process # cat /proc/プロセスID/limit # cat /proc/13207/limits Limit Soft Limit Hard Limit Units Max cpu time unlimited unlimited seconds Max file size unlimited unlimited bytes Max data size unlimited unlimited bytes Max stack size 10485760 unlimited bytes Max core file size 0 unlimited bytes Max resident set unlimited unlimited bytes Max processes 30490 30490 processes Max open files 1024 1024 files Max locked memory 65536 65536 bytes Max address space unlimited unlimited bytes Max file locks unlimited unlimited locks Max pending signals 30490 30490 signals Max msgqueue size 819200 819200 bytes Max nice priority 0 0 Max realtime priority 0 0 Max realtime timeout unlimited unlimited us # cd /etc/nginx/ # cp -p nginx.conf nginx.conf.`date +%Y%m%d` # vi nginx.conf --- 追記 worker_rlimit_nofile 8192; <--ここ events { worker_connections 1024; } --- # service nginx configtest nginx: the configuration file /etc/nginx/nginx.conf syntax is ok nginx: configuration file /etc/nginx/nginx.conf test is successful # service nginx resrart # ps aux | grep nginx root 13282 0.0 0.0 44752 1172 ? Ss 18:58 0:00 nginx: master process /usr/sbin/nginx -c /etc/nginx/nginx.conf nginx 13283 0.0 0.0 45204 1876 ? S 18:58 0:00 nginx: worker process nginx 13284 0.0 0.0 45204 1812 ? S 18:58 0:00 nginx: worker process nginx 13285 0.0 0.0 45204 1876 ? S 18:58 0:00 nginx: worker process nginx 13287 0.0 0.0 45204 1860 ? S 18:58 0:00 nginx: worker process # cat /proc/13287/limits Max open files 8192 8192 files <-- worker_rlimit_nofileで記述した値が上書きされていることがわかる。 参考URL:http://www.1x1.jp/blog/2013/02/nginx_too_many_open_files_error.html |