Workers CPU leak [epoll_wait,epoll_ctl]

[vizl]

user www;
worker_processes 16;
thread_pool default threads=128 max_queue=1024;
worker_rlimit_nofile 65536;
###timer_resolution 100ms;

#error_log /home/logs/error_log.nginx error;
error_log /home/logs/error_log.nginx.debug debug;

events {
  worker_connections 30000;
  use epoll;
}

http {
  include       mime.types;
  default_type  application/octet-stream;
  index index.html index.htm;

  output_buffers        2 256k;
  read_ahead            256k;   # was 1m;
  aio                   threads=default;
  aio                   on;
  sendfile              on;
  sendfile_max_chunk    256k;

  server {
    listen *:80 default rcvbuf=32768 backlog=2048 reuseport deferred;
    listen *:443 ssl default rcvbuf=32768 backlog=2048 reuseport deferred;
    server_name  localhost;
    access_log  /home/logs/access.log;
    error_log   /home/logs/error.log warn;
    root /mnt;
    expires 20m;

    location ~ ^/crossdomain.xml { }
    location ~ \.[Ff][Ll][Vv]$ {
      flv;
    }
    location ~ \.[Mm][Pp]4$ {
      mp4;
    }
  }
}

Posted at Nginx Forum: https://forum.nginx.org/read.php?2,264764,265089#msg-265089