LNMP 参数调优 ( 无注释 )

Posted 2020-07-06 小怪兽的技术博客

简介：

php FastCGI 优点

1、PHP 脚本运行速度更快。PHP 解释程序被载入内存而不用每次需要时从存储器读取，极大的提升了依靠脚本运行站点的性能。
2、需要使用的系统资源更少。由于服务器不再每次需要时都载入 PHP 解释程序，可以将站点的传输速度提升很多而不必增加 CPU 负担。
3、不需要对现有的代码作任何改动。运行在 Apache + PHP 上的程序，无需修改即可适用于 PHP 的 FastCGI。

LNMP 安装文档：http://www.cnblogs.com/wangxiaoqiangs/p/5336180.html

1、nginx.conf

user nginx nginx;
worker_processes 4;
error_log /usr/local/nginx/logs/nginx_error.log crit;
pid /usr/local/nginx/logs/nginx.pid;

worker_rlimit_nofile 51200;
events
{
  use epoll;
  worker_connections 51200;
}

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

  log_format access \'$remote_addr - $remote_user [$time_local] "$request"\'
                    \'$status $body_bytes_sent "$http_referer"\'
                    \'"$http_user_agent" $http_x_forwarded_for\';

  server_tokens off;
  server_names_hash_bucket_size 128;
  client_header_buffer_size 32k;
  large_client_header_buffers 4 32k;
  client_max_body_size 300m;

  sendfile on;
  tcp_nopush on;
  tcp_nodelay on;
  keepalive_timeout 30;

  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;

  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;
    index index.php index.html index.htm;
    root /usr/local/nginx/html;

    charset utf-8;

    access_log /usr/local/nginx/logs/access.log access;

    location ~ .*\\.(sh|bash)?$ { return 403; }

    location ~ .*\\.(php|php5)?$ {
      fastcgi_pass unix:/dev/shm/php-cgi.sock; # 127.0.0.1:9000
      fastcgi_index index.php;
      fastcgi_param SCRIPT_FILENAME /usr/local/nginx/html$fastcgi_script_name;
      include fastcgi_params;
    }

    location ~ .*\\.(gif|jpg|jpeg|png|bmp|swf)$
    {
      expires 30d;
    }

  # 该缓存配置，安装 Zabbix 中，网页上测试数据库连接时会出错 ( 测试数据库通过，跳转页面时，由于有 js 缓存，导致又跳回了没有验证时的页面，Zabbix 无法继续安装 ) 
  # location ~ .*\\.(js|css)?$
  # {
    # expires 1h;
  # }
  }

  server
  {
    listen 8000;
    server_name localhost;

    location / {
      stub_status on;
      access_log off;
    }
  }
}

2、my.cnf（详细：http://www.cnblogs.com/wangxiaoqiangs/p/5500675.html）

[client]
default-character-set = utf-8
port = 3306
socket = /tmp/mysql.sock

[mysqld]
user = mysql
port = 3306

socket = /tmp/mysql.sock
basedir = /usr/local/mysql
datadir = /usr/local/mysql/data

open_files_limit = 10240
back_log = 600
max_connections = 3000
max_connect_errors = 6000
table_cache = 614
external-locking = FALSE
max_allowed_packet = 32M
sort_buffer_size = 2M
join_buffer_size = 2M
therad_cache_size = 300
thread_concurrency = 8

query_cache_size = 32M
query_cache_limit = 2M
query_cache_min_res_unit = 2K

default-storage-engine = MyISAM
thread_stack = 192K
transaction_isolation = READ-COMMITTED
tmp_table_size = 246M
max_heap_table_size = 246M
long_query_time = 1
log_long_format

log-bin = mysql-bin
binlog_cache_size = 4M
binglog_format = MIXED
max_binlog_cache_size = 8M
max_binlog_size = 512M
expire_logs_days = 7

key_buffer_size = 256M
read_buffer_size = 1M
read_rnd_buffer_size = 16M
bulk_insert_buffer_size = 64M
myisam_sort_buffer_size = 128M
myisam_max_sort_file_size = 10G
myisam_max_extra_sort_file_size = 10G
myisam_repair_threads = 1
myisam_recover

skip-name-resolve
master-connect-retry = 10
slave-skip-errors = 1032,1062,126,1114,1146,1048,1396

server-id = 1

innodb_additional_men_pool_size = 16M
innodb_buffer_pool_size = 2048M
innodb_data_file_path = ibdata1:1024M:autoextend
innodb_file_io_threads = 4
innodb_thread_concurrency = 8
innodb_flush_log_at_trx_commit = 2
innodb_log_file_size = 128M
innodb_log_files_in_group = 3
innodb_max_dirty_pages_pct = 90
innodb_lock_wait_timeout = 120
innodb_file_per_table = 0

[mysqldump]
quick
max_allowed_packet = 32M

3、php-fpm.conf （详细：http://www.cnblogs.com/wangxiaoqiangs/p/5336579.html）

[global]
pid = run/php-fpm.pid
rlimit_files = 51200

[www]
user = nginx
group = nginx
;listen = 127.0.0.1:9000
listen = /dev/shm/php-cgi.sock
;listen.back_log = 65535
listen.owner = nginx
listen.group = nginx

; 进程数限制
pm = dynamic
pm.max_children = 128
pm.start_servers = 20
pm.min_spare_servers = 10
pm.max_spare_servers = 30

; 开启慢查询日志 ( 排除原因后关闭 )
request_slowlog_timeout = 3
slowlog = var/log/$pool.slow.log

4、/etc/sysctl.conf

net.ipv4.tcp_max_syn_backlog = 65536
net.core.netdev_max_backlog = 32768
net.core.somaxconn = 32768

net.core.wmem_default = 8388608
net.core.rmem_default = 8388608
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216

net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_synack_retries = 2
net.ipv4.tcp_syn_retries = 2

net.ipv4.tcp_tw_recycle = 1
net.ipv4.tcp_tw_reuse = 1

net.ipv4.tcp_mem = 94500000 915000000 927000000
net.ipv4.tcp_max_orphans = 3276800

net.ipv4.ip_local_port_range = 1024 65535

5、/etc/security/limits.conf

* soft nofile 65535
* hard nofile 65535

6、reboot