Meu site teve erros 499 e 502 + php-fpm.sock falhou (11: Recurso temporariamente indisponível)

1

Meu site playsongs.pk recebeu 499 , 502 e php-fpm.sock failed (11: Resource temporarily unavailable) errors quando recebi de 300 a 400 usuários ativos no site.

Logs de erro de exemplo / exemplo:

2017-02-27 14:56:23 Error   162.158.78.50   499 GET / HTTP/1.1          0   nginx access
2017-02-27 14:56:23 Error   162.158.78.20   502 GET / HTTP/1.1          166     nginx access
2017-02-27 14:56:23 Error   162.158.78.170  502 GET / HTTP/1.1          166     nginx access
2017-02-27 14:56:23 Error   162.158.79.63   502 GET / HTTP/1.1          166     nginx access
2017-02-27 14:56:23 Error   162.158.78.50   499 GET / HTTP/1.1          0   nginx access
2017-02-27 14:56:23 Error   162.158.78.20   499 GET / HTTP/1.1          0   nginx access
2017-02-27 14:56:23 Error   162.158.78.20   499 GET / HTTP/1.1          0   nginx access
2017-02-27 14:56:23 Error   162.158.78.20   499 GET / HTTP/1.1          0   nginx access
2017-02-27 14:56:23 Error   162.158.78.20   499 GET / HTTP/1.1          0   nginx access

e depois de pouco tempo eu consegui

2017-02-27 14:56:23 Error   172.68.65.4     24026#0: *2784527 connect() to unix:///var/www/vhosts/system/playsongs.pk/php-fpm.sock failed (11: Resource temporarily unavailable) while connecting to upstream               nginx error
2017-02-27 14:56:23 Error   172.68.65.112       24023#0: *2784529 connect() to unix:///var/www/vhosts/system/playsongs.pk/php-fpm.sock failed (11: Resource temporarily unavailable) while connecting to upstream               nginx error
2017-02-27 14:56:23 Error   172.68.65.100       24028#0: *2784539 connect() to unix:///var/www/vhosts/system/playsongs.pk/php-fpm.sock failed (11: Resource temporarily unavailable) while connecting to upstream               nginx error
2017-02-27 14:56:23 Error   172.68.65.112       24021#0: *2784541 connect() to unix:///var/www/vhosts/system/playsongs.pk/php-fpm.sock failed (11: Resource temporarily unavailable) while connecting to upstream               nginx error
2017-02-27 14:56:23 Error   172.68.65.112       24021#0: *2784545 connect() to unix:///var/www/vhosts/system/playsongs.pk/php-fpm.sock failed (11: Resource temporarily unavailable) while connecting to upstream               nginx error
2017-02-27 14:56:23 Error   172.68.65.112       24021#0: *2784547 connect() to unix:///var/www/vhosts/system/playsongs.pk/php-fpm.sock failed (11: Resource temporarily unavailable) while connecting to upstream               nginx error
2017-02-27 14:56:23 Error   172.68.65.112       24028#0: *2784549 connect() to unix:///var/www/vhosts/system/playsongs.pk/php-fpm.sock failed (11: Resource temporarily unavailable) while connecting to upstream               nginx error
2017-02-27 14:56:23 Error   162.158.78.50       24028#0: *2784551 connect() to unix:///var/www/vhosts/system/playsongs.pk/php-fpm.sock failed (11: Resource temporarily unavailable) while connecting to upstream               nginx error
2017-02-27 14:56:23 Error   172.68.65.112       24028#0: *2784552 connect() to unix:///var/www/vhosts/system/playsongs.pk/php-fpm.sock failed (11: Resource temporarily unavailable) while connecting to upstream               nginx error

Configuração do My Nginx /etc/nginx/nginx.conf :

user  nginx;
worker_processes auto; #some last versions calculate it automatically

worker_rlimit_nofile 99999;

error_log /var/log/nginx/error.log crit;

include /etc/nginx/modules.conf.d/*.conf;

events {

    worker_connections 66536;
    use epoll;
    multi_accept on;
}

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

    open_file_cache max=2048 inactive=20s;
    open_file_cache_valid 30s;
    open_file_cache_min_uses 5;
    open_file_cache_errors off;


    access_log off;

    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;

    keepalive_timeout  2;
    keepalive_requests 100000;
    reset_timedout_connection on;
    client_body_timeout 30;
    send_timeout 15;

client_header_timeout 12;
proxy_connect_timeout  60;
proxy_send_timeout  60;
proxy_read_timeout  60;


fastcgi_buffers 8 128k;
fastcgi_buffer_size 256k;

# reduce the data that needs to be sent over network
    gzip on;
    gzip_min_length 1000;
    gzip_proxied expired no-cache no-store private auth;
    gzip_types application/x-javascript text/css application/javascript text/javascript text/plain text/xml application/json application/v$
    gzip_disable "MSIE [1-6]\.(?!.*SV1)";


    server_tokens off;

    include /etc/nginx/conf.d/*.conf;
}

# override global parameters e.g. worker_rlimit_nofile
include /etc/nginx/*global_params;

Minha configuração do conjunto php-fpm é a seguinte:

;[php-fpm-pool-settings]
pm = dynamic
pm.max_children = 5000
pm.start_servers = 50
pm.min_spare_servers = 20
pm.max_spare_servers = 70
pm.max_requests = 2000

Por favor, note

O servidor tem 64GB de RAM com 1 GBit de dedicar PORTA INTERNET e carga média na CPU também não excede a partir de 1.somthing% ou 2.somthing%

SO do servidor: Centos 7.2

Painel de Controle: Plesk Onyx

Versão nginx: nginx / 1.11.4

A saída de #cat /proc/$(cat /run/nginx.pid)/limits está seguindo. Que seja útil resolver o problema.

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            8388608              unlimited            bytes     
Max core file size        0                    unlimited            bytes     
Max resident set          unlimited            unlimited            bytes     
Max processes             515124               515124               processes
Max open files            1024                 4096                 files     
Max locked memory         65536                65536                bytes     
Max address space         unlimited            unlimited            bytes     
Max file locks            unlimited            unlimited            locks     
Max pending signals       515124               515124               signals   
Max msgqueue size         819200               819200               bytes     
Max nice priority         0                    0                   
Max realtime priority     0                    0                   
Max realtime timeout      unlimited            unlimited            us

Saída de tail /var/log/nginx/error.log

2017/03/01 15:16:15 [notice] 31867#0: getrlimit(RLIMIT_NOFILE): 1024:4096
2017/03/01 15:16:15 [notice] 31868#0: start worker processes
2017/03/01 15:16:15 [notice] 31868#0: start worker process 31869
2017/03/01 15:16:15 [notice] 31868#0: start worker process 31870
2017/03/01 15:16:15 [notice] 31868#0: start worker process 31871
2017/03/01 15:16:15 [notice] 31868#0: start worker process 31872
2017/03/01 15:16:15 [notice] 31868#0: start worker process 31873
2017/03/01 15:16:15 [notice] 31868#0: start worker process 31874
2017/03/01 15:16:15 [notice] 31868#0: start worker process 31875
2017/03/01 15:16:15 [notice] 31868#0: start worker process 31876
    
por Hassaan 01.03.2017 / 09:02

1 resposta

3

Tente isto:

sysctl net.core.somaxconn=65535

php / fpm / pool.d / www.conf:

listen.backlog 65535;

Ou tente usar a conexão IP local em vez do soquete unix:

php / fpm / pool.d / www.conf:

listen 127.0.0.1:9000;

nginx / sites-enabled / sitename:

fastcgi_pass 127.0.0.1:9000;

    
por 01.03.2017 / 11:42