MyISAM引擎mysql5.6中大型网站数据库优化配置方案

硬件服务器：Dell R710，双至强E5620 CPU、16G内存、6*500G硬盘
   操作系统：CentOS5.5 X86_64 系统
   Mysql版本：MySQL 5.6
   适用于：日IP 100-200W ，日PV 200-500W 的站点

测试站点：http://zhimo.yuanzhumuban.cc/

port = 3306
character-set-server=utf8
default-storage-engine=MyISAM
max_connections = 3000
max_user_connections=1000
max_connect_errors = 30
table_open_cache = 4096
max_allowed_packet = 32M
max_heap_table_size = 128M
key_buffer_size=256m
query_cache_type= 1

symbolic-links=0
#skip-name-resolve

read_buffer_size = 8M
read_rnd_buffer_size = 64M
sort_buffer_size = 16M
join_buffer_size = 16M

thread_cache_size = 16
thread_concurrency = 8
thread_stack = 512K

query_cache_size = 128M
query_cache_limit = 4M

innodb_file_per_table

# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M 

sql_mode=NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION