my.cnf 简单的配置文件

[client]
port=3306
socket=/tmp/mysql.sock
default-character-set=utf8


[mysql]
no-auto-rehash
default-character-set=utf8


[mysqld]
port=3306
character-set-server=utf8
socket=/tmp/mysql.sock
basedir=/usr/local/mysql
datadir=/mydata/data
explicit_defaults_for_timestamp=true
lower_case_table_names=1
back_log=103
max_connections=10000
max_connect_errors=100000
table_open_cache=512
external-locking=FALSE
max_allowed_packet=32M
sort_buffer_size=2M
join_buffer_size=2M
thread_cache_size=51
query_cache_size=32M
#query_cache_limit=4M
transaction_isolation=REPEATABLE-READ
tmp_table_size=96M
max_heap_table_size=96M






###***slowqueryparameters
long_query_time=3
slow_query_log = 1
slow_query_log_file=/mydata/data/slow.log




# replication
log-bin=mysql-bin
server-id=1
binlog_format= ROW
gtid_mode = on
enforce_gtid_consistency = 1
log_slave_updates   = 1
master-info-repository=TABLE
relay-log-info-repository=TABLE






#***MyISAMparameters
key_buffer_size=16M
read_buffer_size=1M
read_rnd_buffer_size=16M
bulk_insert_buffer_size=1M




#  innodbstorageengineparameters
innodb_buffer_pool_size=4G
innodb_data_file_path=ibdata1:1G:autoextend
#innodb_file_io_threads=8  #默认的是4
innodb_buffer_pool_load_at_startup = 1
innodb_buffer_pool_dump_at_shutdown = 1
innodb_thread_concurrency=16
innodb_flush_log_at_trx_commit=1
innodb_log_buffer_size=16M
innodb_log_file_size=256M
innodb_log_files_in_group=2
innodb_max_dirty_pages_pct=75
#innodb_buffer_pool_dump_pct=75
innodb_lock_wait_timeout=50
innodb_file_per_table=1      #独立表空间




[mysqldump]
quick
max_allowed_packet=32M




[mysqld_safe]
open-files-limit=10240
log-error=/mydata/data/error.log
pid-file=/mydata/data/mysqld.pid