部署在linux上的lnmp架构之前一直运行正常，最近有一台服务器总是会突然挂掉。检查报错日志是这样的
2017/12/14 03:29:12 [info] 25981#0: *133682417 recv() failed (104: Connection reset by peer) while waiting for request, client: 100.97.219.3, server: 0.0.0.0:80
nginx的配置如下：
user www www;
worker_processes auto;
error_log /data/wwwlogs/error_nginx.log info;
pid /var/run/nginx.pid;
worker_rlimit_nofile 51200;
events {
use epoll;
worker_connections 51200;
multi_accept on;
}
http {
#limit_req_zone $limit zone=one:10m rate=100r/s;
#limit_conn_zone $limit zone=addr:10m;
include mime.types;
default_type application/octet-stream;
server_names_hash_bucket_size 128;
client_header_buffer_size 32k;
large_client_header_buffers 4 32k;
client_max_body_size 1024m;
client_body_buffer_size 10m;
sendfile on;
tcp_nopush on;
keepalive_timeout 120;
server_tokens off;
tcp_nodelay on;
fastcgi_connect_timeout 300;
fastcgi_send_timeout 300;
fastcgi_read_timeout 300;
fastcgi_buffer_size 64k;
fastcgi_buffers 4 64k;
fastcgi_busy_buffers_size 128k;
fastcgi_temp_file_write_size 128k;
fastcgi_intercept_errors on;
server {
......
}
}
php-fpm的配置如下：
[global]
pid = run/php-fpm.pid
error_log = log/php-fpm.log
log_level = warning
emergency_restart_threshold = 30
emergency_restart_interval = 60s
process_control_timeout = 5s
daemonize = yes
;;;;;;;;;;;;;;;;;;;;
; Pool Definitions ;
;;;;;;;;;;;;;;;;;;;;
[www]
listen = /dev/shm/php-cgi.sock
listen.backlog = 4096
listen.allowed_clients = 127.0.0.1
listen.owner = www
listen.group = www
listen.mode = 0666
user = www
group = www
pm = dynamic
pm.max_children = 128
pm.start_servers = 11
pm.min_spare_servers = 8
pm.max_spare_servers = 16
pm.max_requests = 2048
pm.process_idle_timeout = 10s
request_terminate_timeout = 0
request_slowlog_timeout = 0
pm.status_path = /php-fpm_status
slowlog = log/slow.log
rlimit_files = 51200
rlimit_core = 0
catch_workers_output = yes
env[PATH] = /usr/local/bin:/usr/bin:/bin
env[TMP] = /tmp
env[TMPDIR] = /tmp
env[TEMP] = /tmp
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