mysql 优化 /etc/my.cnf

[root@1af6e6d043d2 enchantment]# cat /etc/my.cnf

[client]

#password       = your_password

port            = 3306

socket          = /tmp/mysql.sock

[mysqld]

port            = 3306

socket          = /tmp/mysql.sock

datadir = /www/server/data

default_storage_engine = InnoDB

performance_schema_max_table_instances = 400

table_definition_cache = 400

skip-external-locking

key_buffer_size = 32M

max_allowed_packet = 100G

table_open_cache = 128

sort_buffer_size = 768K

net_buffer_length = 4K

read_buffer_size = 768K

read_rnd_buffer_size = 256K

myisam_sort_buffer_size = 8M

thread_cache_size = 16

query_cache_size = 16M

tmp_table_size = 32M

sql-mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

#skip-name-resolve

max_connections = 500

max_connect_errors = 100

open_files_limit = 65535

log-bin=mysql-bin

binlog_format=mixed

server-id = 1

expire_logs_days = 10

slow_query_log=1

slow-query-log-file=/www/server/data/mysql-slow.log

long_query_time=3

#log_queries_not_using_indexes=on

innodb_data_home_dir = /www/server/data

innodb_data_file_path = ibdata1:10M:autoextend

innodb_log_group_home_dir = /www/server/data

innodb_buffer_pool_size = 128M

innodb_log_file_size = 64M

innodb_log_buffer_size = 16M

innodb_flush_log_at_trx_commit = 1

innodb_lock_wait_timeout = 50

innodb_max_dirty_pages_pct = 90

innodb_read_io_threads = 1

innodb_write_io_threads = 1

[mysqldump]

quick

max_allowed_packet = 500M

[mysql]

no-auto-rehash

[myisamchk]

key_buffer_size = 32M

sort_buffer_size = 768K

read_buffer = 2M

write_buffer = 2M

[mysqlhotcopy]

interactive-timeout