编译安装zabbix（三）lnmp系统调优

Nginx系统调优实战

最新推荐文章于 2022-05-15 19:21:01 发布

原创最新推荐文章于 2022-05-15 19:21:01 发布 · 120 阅读

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本文档详细介绍了Nginx服务器的系统级调优策略，包括内核参数调整及Nginx配置优化，旨在提高服务器性能和稳定性。具体涉及内核参数设置、连接处理、缓存策略以及GZIP压缩等。

##nginx系统调优
优化内核：
vim /etc/sysctl.conf
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
net.ipv4.tcp_syncookies = 1
kernel.msgmnb = 65536
kernel.msgmax = 65536
kernel.shmmax = 68719476736
kernel.shmall = 4294967296
net.ipv4.tcp_max_tw_buckets = 6000
net.ipv4.tcp_sack = 1
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_rmem = 4096 87380 4194304
net.ipv4.tcp_wmem = 4096 16384 4194304
net.core.wmem_default = 8388608
net.core.rmem_default = 8388608
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.core.netdev_max_backlog = 262144
net.core.somaxconn = 262144
net.ipv4.tcp_max_orphans = 3276800
net.ipv4.tcp_max_syn_backlog = 262144
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_synack_retries = 1
net.ipv4.tcp_syn_retries = 1
net.ipv4.tcp_tw_recycle = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_mem = 94500000 915000000 927000000
net.ipv4.tcp_fin_timeout = 1
net.ipv4.tcp_keepalive_time = 30
net.ipv4.ip_local_port_range = 1024 65000

# sysctl -p
# ulimit -n 65535

##nginx主配置文件参数

worker_processes 6; ##开启8个进程
worker_rlimit_nofile 100240; ##最大打开的文件句柄数最好与ulimit -n的值保持一致
worker_cpu_affinity 0001 0010 0100 0101 0110 0111 1000 1001;

events {
worker_connections 10240;
use epoll;   ##使用事件驱动模型
}
http {
include       mime.types;
default_type application/octet-stream;
sendfile        on;
keepalive_timeout 60;

charset utf-8;

server_names_hash_bucket_size 128;
client_header_buffer_size 2k;
large_client_header_buffers 4 4k;
client_max_body_size 8m;

tcp_nopush on;

fastcgi_cache_path /usr/local/nginx/fastcgi_cache levels=1:2 keys_zone=TEST:10m inactive=5m;
fastcgi_connect_timeout 300;
fastcgi_send_timeout 300;
fastcgi_read_timeout 300;
fastcgi_buffer_size 16k;
fastcgi_buffers 16 16k;
fastcgi_busy_buffers_size 16k;
fastcgi_temp_file_write_size 16k;
##fastcgi_cache TEST;
fastcgi_cache_valid 200 302 1h;
fastcgi_cache_valid 301 1d;
fastcgi_cache_valid any 1m;
fastcgi_cache_min_uses 2;
fastcgi_cache_use_stale error timeout invalid_header http_500;

gzip on;
gzip_min_length 1k;
gzip_buffers 4 16k;
gzip_http_version 1.0;
gzip_comp_level 2;
gzip_types text/plain application/x-javascript text/css application/xml;
gzip_vary on;

server {
listen       80;
server_name localhost;
location / {
root   /zabbix/;
index index.html index.htm index.php;
}
location ~ \.php$ {
index index.php index.html index.htm;
fastcgi_pass   127.0.0.1:9000;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root/$fastcgi_script_name;
include        /etc/nginx/fastcgi_params;
root /zabbix/;
}
error_page   500 502 503 504 /50x.html;
location = /50x.html {
root   html;
}
}
}