LNMP 参数调优 ( 无注释 )

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

worker_rlimit_nofile ;
events
{
  use epoll;
  worker_connections ;
}

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 ;
  client_header_buffer_size 32k;
  large_client_header_buffers  32k;
  client_max_body_size 300m;

  sendfile on;
  tcp_nopush on;
  tcp_nodelay on;
  keepalive_timeout ;

  fastcgi_connect_timeout ;
  fastcgi_send_timeout ;
  fastcgi_read_timeout ;
  fastcgi_buffer_size 64k;
  fastcgi_buffers  64k;
  fastcgi_busy_buffers_size 128k;
  fastcgi_temp_file_write_size 128k;

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

  server
  {
    listen ;
    server_name localhost;
    index index.php index.html index.htm;
    root /usr/local/nginx/html;

    charset utf-;

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

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

    location ~ .*\.(php|php5)?$ {
      fastcgi_pass unix:/dev/shm/php-cgi.sock; # 127.0.0.1:
      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 ;
    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-
port =
socket = /tmp/mysql.sock

[mysqld]
user = mysql
port = 

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

open_files_limit =
back_log =
max_connections =
max_connect_errors =
table_cache =
external-locking = FALSE
max_allowed_packet = 32M
sort_buffer_size = 2M
join_buffer_size = 2M
therad_cache_size =
thread_concurrency = 

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 =
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 = 

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 =
myisam_recover

skip-name-resolve
master-connect-retry =
slave-skip-errors = ,,,,,,

server-id = 

innodb_additional_men_pool_size = 16M
innodb_buffer_pool_size = 2048M
innodb_data_file_path = ibdata1:1024M:autoextend
innodb_file_io_threads =
innodb_thread_concurrency =
innodb_flush_log_at_trx_commit =
innodb_log_file_size = 128M
innodb_log_files_in_group =
innodb_max_dirty_pages_pct =
innodb_lock_wait_timeout =
innodb_file_per_table = 

[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 = 

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

; 进程数限制
pm = dynamic
pm.max_children =
pm.start_servers =
pm.min_spare_servers =
pm.max_spare_servers = 

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

4、/etc/sysctl.conf

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

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

net.ipv4.tcp_timestamps =
net.ipv4.tcp_synack_retries =
net.ipv4.tcp_syn_retries = 

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

net.ipv4.tcp_mem =
net.ipv4.tcp_max_orphans = 

net.ipv4.ip_local_port_range =  

5、/etc/security/limits.conf

* soft nofile
* hard nofile 

6、reboot