常用my.cnf

配置文件my.cnf

vim my.cnf

#my.cnf

[client]

port = 3306

socket = /tmp/mysql3306.sock

[mysql]

prompt="\\u@\\h [\\d]>"

#pager="less -i -n -S"

#tee=/opt/mysql/query.log

no-auto-rehash #非自动补全

[mysqld]

#misc

user = mysql

basedir = /usr/local/mysql

datadir = /data/mysql/data

port = 3306

socket = /tmp/mysql3306.sock

event_scheduler = 0

tmpdir = /data/mysql/tmp

#timeout

interactive_timeout = 300

wait_timeout = 300

#character set

character-set-server = utf8

open_files_limit = 65535

max_connections = 100

max_connect_errors = 100000

lower_case_table_names =1

#file

#@secure-file-priv=/tmp

#symi replication

#rpl_semi_sync_master_enabled=1

#rpl_semi_sync_master_timeout=1000 # 1 second

#rpl_semi_sync_slave_enabled=1

#logs

log-output=file

slow_query_log = 1

slow_query_log_file = slow.log

log-error = error.log

log_warnings = 2

pid-file = mysql.pid

long_query_time = 1

#log-slow-admin-statements = 1

#log-queries-not-using-indexes = 1

log-slow-slave-statements = 1

#binlog

#binlog_format = STATEMENT

binlog_format = row

server-id = 1003306

log-bin = /data/mysql/logs/mysql-bin

max_binlog_size = 256M

sync_binlog = 0

expire_logs_days = 10

#procedure

log_bin_trust_function_creators=1

#file

secure_file_priv="/tmp"

#

gtid-mode = on

enforce-gtid-consistency=1

#relay log

skip_slave_start = 1

max_relay_log_size = 1024M

relay_log_purge = 1

relay_log_recovery = 1

relay-log=relay-bin

relay-log-index=relay-bin.index

log_slave_updates

#slave-skip-errors=1032,1053,1062

#skip-grant-tables

#buffers & cache

table_open_cache = 2048

table_definition_cache = 2048

table_open_cache = 2048

max_heap_table_size = 96M

sort_buffer_size = 128K

join_buffer_size = 128K

thread_cache_size = 200

query_cache_size = 0

query_cache_type = 0

query_cache_limit = 256K

query_cache_min_res_unit = 512

thread_stack = 192K

tmp_table_size = 96M

key_buffer_size = 8M

read_buffer_size = 2M

read_rnd_buffer_size = 16M

bulk_insert_buffer_size = 32M

#myisam

myisam_sort_buffer_size = 128M

myisam_max_sort_file_size = 10G

myisam_repair_threads = 1

#innodb

innodb_buffer_pool_size = 4G

innodb_buffer_pool_instances = 1

innodb_data_file_path = ibdata1:1024M:autoextend

innodb_flush_log_at_trx_commit = 2

innodb_log_buffer_size = 8M

innodb_log_file_size = 1024M

innodb_log_files_in_group = 3

innodb_max_dirty_pages_pct = 50

innodb_file_per_table = 1

innodb_rollback_on_timeout

innodb_io_capacity = 2000

transaction_isolation = READ-COMMITTED

innodb_flush_method = O_DIRECT