Mysql 的my.cnf 针对不同类型数据库应用的推荐配置项的具体参数对比

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Produced: 2012-7-12 15:12:07

Mode: All, With Context, Ignoring Unimportant

Left file: my-small.cnf (小型应用)

Right file: my-medium.cnf （中型应用）

	=
[client]		[client]
port = 3306		port = 3306
socket = /tmp/mysql.sock		socket = /tmp/mysql.sock
[mysqld]		[mysqld]
port = 3306		port = 3306
socket = /tmp/mysql.sock		socket = /tmp/mysql.sock
skip-locking		skip-locking
key_buffer_size = 16K	<>	key_buffer_size = 16M
max_allowed_packet = 1M	=	max_allowed_packet = 1M
table_open_cache = 4	<>	table_open_cache = 64
sort_buffer_size = 64K		sort_buffer_size = 512K
		net_buffer_length= 8K
read_buffer_size = 256K	=	read_buffer_size = 256K
read_rnd_buffer_size = 256K	<>	read_rnd_buffer_size = 512K
net_buffer_length =2K		myisam_sort_buffer_size =8M
thread_stack = 128K
	=
	-+	log-bin=mysql-bin
	=
	-+	binlog_format=mixed
	=
server-id = 1		server-id = 1
[mysqldump]		[mysqldump]
quick		quick
max_allowed_packet = 16M		max_allowed_packet = 16M
[mysql]		[mysql]
no-auto-rehash		no-auto-rehash
[myisamchk]		[myisamchk]
key_buffer_size = 8M	<>	key_buffer_size = 20M
sort_buffer_size = 8M		sort_buffer_size = 20M
		read_buffer = 2M
		write_buffer = 2M
	=
[mysqlhotcopy]		[mysqlhotcopy]
interactive-timeout		interactive-timeout

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Produced: 2012-7-12 15:18:30

Mode: All, With Context, Ignoring Unimportant

Left file: my-medium.cnf （中型应用）

Right file: my-large.cnf （大型应用）

[client]		[client]
port = 3306		port = 3306
socket = /tmp/mysql.sock		socket = /tmp/mysql.sock
[mysqld]		[mysqld]
port = 3306		port = 3306
socket = /tmp/mysql.sock		socket = /tmp/mysql.sock
skip-locking		skip-locking
key_buffer_size = 16M	<>	key_buffer_size = 256M
max_allowed_packet = 1M	=	max_allowed_packet = 1M
table_open_cache = 64	<>	table_open_cache = 256
sort_buffer_size = 512K		sort_buffer_size = 1M
net_buffer_length= 8K
read_buffer_size = 256K		read_buffer_size = 1M
read_rnd_buffer_size = 512K		read_rnd_buffer_size = 4M
myisam_sort_buffer_size = 8M		myisam_sort_buffer_size = 64M
		thread_cache_size= 8
		query_cache_size=16M
	=
	-+	thread_concurrency= 8
	=
log-bin=mysql-bin		log-bin=mysql-bin
binlog_format=mixed		binlog_format=mixed
server-id = 1		server-id = 1
[mysqldump]		[mysqldump]
quick		quick
max_allowed_packet = 16M		max_allowed_packet = 16M
[mysql]		[mysql]
no-auto-rehash		no-auto-rehash
[myisamchk]		[myisamchk]
key_buffer_size = 20M	<>	key_buffer_size = 128M
sort_buffer_size = 20M		sort_buffer_size = 128M
read_buffer = 2M	=	read_buffer = 2M
write_buffer = 2M		write_buffer = 2M
[mysqlhotcopy]		[mysqlhotcopy]
interactive-timeout		interactive-timeout

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Produced: 2012-7-12 15:19:38

Mode: All, With Context, Ignoring Unimportant

Left file: my-large.cnf （大型应用）

Right file: my-huge.cnf （庞大应用）

[client]		[client]
port = 3306		port = 3306
socket = /tmp/mysql.sock		socket = /tmp/mysql.sock
[mysqld]		[mysqld]
port = 3306		port = 3306
socket = /tmp/mysql.sock		socket = /tmp/mysql.sock
skip-locking		skip-locking
key_buffer_size = 256M	<>	key_buffer_size = 384M
max_allowed_packet = 1M	=	max_allowed_packet = 1M
table_open_cache = 256	<>	table_open_cache = 512
sort_buffer_size = 1M		sort_buffer_size = 2M
read_buffer_size = 1M		read_buffer_size = 2M
read_rnd_buffer_size = 4M		read_rnd_buffer_size = 8M
myisam_sort_buffer_size = 64M	=	myisam_sort_buffer_size = 64M
thread_cache_size = 8		thread_cache_size = 8
query_cache_size= 16M	<>	query_cache_size = 32M
	=
thread_concurrency = 8		thread_concurrency = 8
log-bin=mysql-bin		log-bin=mysql-bin
binlog_format=mixed	+-
	=
server-id = 1		server-id = 1
[mysqldump]		[mysqldump]
quick		quick
max_allowed_packet = 16M		max_allowed_packet = 16M
[mysql]		[mysql]
no-auto-rehash		no-auto-rehash
[myisamchk]		[myisamchk]
key_buffer_size = 128M	<>	key_buffer_size = 256M
sort_buffer_size = 128M		sort_buffer_size = 256M
read_buffer = 2M	=	read_buffer = 2M
write_buffer = 2M		write_buffer = 2M
[mysqlhotcopy]		[mysqlhotcopy]
interactive-timeout		interactive-timeout