高并发下出现 Too many open files

问题描述：在高并发访问时，出现

socket() failed (24: Too many open files) while connecting to upstream, client: 222.217.216.66, server: s.fpbshg.cn, request: "GET /1.0.0/ll/share HTTP/1.1", upst       ream: "fastcgi://127.0.0.1:9000", host: "", referrer:

的提示

问题排查：

ulimit  -n

返回65535 无异常

问题解决

修改 nginx.conf，增加worker_rlimit_nofile 选项

#指定一个nginx进程可以打开的最多文件描述符数目
worker_rlimit_nofile 65535;

问题解决