nginx_worker_connections异常

2017-12-07

异常信息

[alert] 14102#0: 1024 worker_connections are not enough

worker_connections 参数默认1024，不够用的话配置大一些，同时小于worker_rlimit_nofile 参数值。

#worker进程数，通常设置等同于CPU数量，auto为自动检测
worker_processes  auto;
#worker进程打开最大文件数，可CPU*10000设置
worker_rlimit_nofile 100000;
events {
    worker_connections  10240;
   #告诉nginx收到一个新链接通知后接受尽可能多的链接
    multi_accept on;
   #设置用于复用客户端线程的轮训方法
   use epoll;
}

linux打开文件数配置

调大open files参数值

[delvep@localhost ~]$ ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 77824
max locked memory       (kbytes, -l) 32
max memory size         (kbytes, -m) unlimited
open files                      (-n) 65535
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 0
stack size              (kbytes, -s) 10240
cpu time               (seconds, -t) unlimited
max user processes              (-u) 77824
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited

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