mysql优化配置参数优化配置参数
mysql安装好需要优化配置一下,打开c:windowsmy.ini文件
第一种
复制代码 代码如下:
#This File was made using the WinMySQLAdmin 1.4 Tool
#2004-2-23 16:28:14
#Uncomment or Add only the keys that you know how works.
#Read the MySQL Manual for instructions
[mysqld]
basedir=D:/mysql
#bind-address=210.5.*.*
datadir=D:/mysql/data
#language=D:/mysql/share/your language directory
#slow query log#=
#tmpdir#=
#port=3306
set-variable = max_connections=1500
skip-locking
#skip-networking
set-variable = key_buffer=384M
set-variable = max_allowed_packet=1M
set-variable = table_cache=512
set-variable = sort_buffer=2M
set-variable = record_buffer=2M
set-variable = thread_cache=8
# Try number of CPU's*2 for thread_concurrency
set-variable = thread_concurrency=8
set-variable = myisam_sort_buffer_size=64M
#set-variable = connect_timeout=5
#set-variable = wait_timeout=5
server-id = 1
[isamchk]
set-variable = key_buffer=128M
set-variable = sort_buffer=128M
set-variable = read_buffer=2M
set-variable = write_buffer=2M
[myisamchk]
set-variable = key_buffer=128M
set-variable = sort_buffer=128M
set-variable = read_buffer=2M
set-variable = write_buffer=2M
[WinMySQLadmin]
Server=D:/mysql/bin/mysqld-nt.exe
这个方案,整体够用了,但是在pconnect和最大连接数上,需要研究max_connections没必要那么大,我个人认为几百就够,
否则给服务器加大了不少负担,经常会当机连接超时的设置也要根据实际情况调整,大家可以自由调整,然后观察效果如何。
第二种
7、MYSQL 的优化(/etc/my.cnf)
1)确认在“[mysqld]”部分加入了“skip-innodb”和“skip-bdb”参数;
2)确认在“[mysqld]”部分加入了“skip-name-resolve”和“skip-locking”参数;
3)如果不需要的话,可以将二进制日志(binlog)停掉,方法是将“log-bin”注释掉;
4)在内存允许的情况下,对一些参数进行重新配置,目标在于将大部分操作集中于内存中,尽量不进行磁盘操作,对于我的
MYSQL 服务器我是如下修改的,基于 2G 内存情况:
复制代码 代码如下:
[mysqld]
set-variable = key_buffer=512M
set-variable = max_allowed_packet=4M
set-variable = table_cache=1024
set-variable = thread_cache=64
set-variable = join_buffer_size=32M
set-variable = sort_buffer=32M
set-variable = record_buffer=32M
set-variable = max_connections=512
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