nginx内核优化及配置

1、内核优化

net.ipv4.ip_forward = 0
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.default.accept_source_route = 0
kernel.sysrq = 0
kernel.core_uses_pid = 1
kernel.msgmnb = 65536
kernel.msgmax = 65536
kernel.shmmax = 68719476736
kernel.shmall = 4294967296
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.core.netdev_max_backlog = 30000
net.core.somaxconn = 262144
net.ipv4.tcp_rmem = 4096 87380 16777216
net.ipv4.tcp_wmem = 4096 65536 16777216
net.ipv4.tcp_fin_timeout = 1
net.ipv4.tcp_tw_recycle = 1
net.ipv4.tcp_tw_reuse = 0
net.ipv4.tcp_keepalive_time = 30
net.ipv4.tcp_max_tw_buckets = 6000
net.ipv4.tcp_keepalive_probes = 5
net.ipv4.tcp_keepalive_intvl = 15
net.ipv4.tcp_no_metrics_save = 1
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_max_orphans = 262144
net.ipv4.tcp_max_syn_backlog = 262144
net.ipv4.tcp_synack_retries = 1
net.ipv4.tcp_syn_retries = 1
net.ipv4.ip_conntrack_max = 6553600
net.ipv4.netfilter.ip_conntrack_tcp_timeout_established = 180
net.ipv4.tcp_window_scaling = 1
net.ipv4.ip_local_port_range = 1024 65000
net.ipv4.tcp_timestamps = 0

2、设置文件描述符

请参照/article/4349230.html

3、nginx优化配置

user www www;
worker_processes 8;
worker_cpu_affinity 00000001 00000010 00000100 00001000 00010000 00100000 01000000 10000000;
error_log /usr/local/nginx/logs/error.log warn;
worker_rlimit_nofile 65536;

events
{
use epoll;
worker_connections 65536;
}

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

server_names_hash_bucket_size 128;

keepalive_timeout 60;
client_header_buffer_size 4k; //系统分页大小#getconf PAGESIZE
client_max_body_size 32m;
large_client_header_buffers 8 1024k;
client_header_timeout 3m;
client_body_timeout 3m;
send_timeout 3m;
connection_pool_size 256;
request_pool_size 4k;
output_buffers 16 128k;
postpone_output 1460;
fastcgi_connect_timeout 300;
fastcgi_send_timeout 300;
fastcgi_read_timeout 300;
fastcgi_buffer_size 128k;
fastcgi_buffers 16 256k;
fastcgi_busy_buffers_size 512k;
fastcgi_temp_file_write_size 512k;
fastcgi_temp_path /dev/shm;

open_file_cache max=65536 inactive=20s;
open_file_cache_min_uses 1;
open_file_cache_valid 30s;

tcp_nodelay on;
gzip on;
gzip_static on;
gzip_proxied any;
gzip_disable "MSIE [1-5]."
gzip_comp_level 9;
gzip_min_length 1k;
gzip_buffers 16 128k;
gzip_http_version 1.0;
gzip_types text/plain application/x-javascript text/css application/xml;
server_name_in_redirect off;
log_format access '$remote_addr $remote_user - [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" $http_x_forwarded_for';
include /usr/local/nginx/conf/vhost/*.conf;
}

4、vhost配置

#vim /usr/local/nginx/conf/vhost/a.conf
server
{
listen 80;
server_name www.abc.com;
root /data/httpd/csm.shopex.cn;
index index.php index.html index.htm;
location ~ .*\.php?$
{
include fastcgi.conf;
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
}
#access_log /var/log/nginx/nginx-access.log access;
}

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