[root@localhost 3306]# vim my.cnf
[client]
port = 3306
socket = /data/mysqld/3306/tmp/mysql.sock
default-character-set = utf8mb4
[mysql]
default-character-set = utf8mb4
[mysqld]
server_id = 2207
user = mysql
port = 3306
#mysqlx_port = 33070
datadir = /data/mysqld/3306/data
socket = /data/mysqld/3306/tmp/mysql.sock
#mysqlx_socket = /data/mysqld/3306/mysqlx.sock
pid-file = /data/mysqld/3306/tmp/mysql.pid
log-error = /data/mysqld/3306/log/zhongtai_3306_error.log
#relay-log = /data/mysqld/3306/relaylog
#relay-log-index = /data/mysqld/3306/relaylog.index
default-storage-engine = Innodb
innodb_file_per_table = 1
long_query_time = 1
slow-query-log = on
slow_query_log_file = /data/mysqld/3306/log/zhongtai_3306_slow.log
log_slow_admin_statements
lower_case_table_names=1
log_timestamps=SYSTEM
group_concat_max_len = 102400
default_authentication_plugin=mysql_native_password
#charset
character-set-server = utf8mb4
collation-server = utf8mb4_general_ci
character-set-client-handshake = FALSE
init_connect=‘SET NAMES utf8mb4‘
open_files_limit = 65535
sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION
#参考:短时间内最大连接
back_log = 1024
#binlog
sync_binlog = 1
bulk_insert_buffer_size = 64M
binlog_cache_size = 4M
max_binlog_cache_size = 256M
max_binlog_size = 256M
#binlog_expire_logs_seconds= 259200
binlog_expire_logs_seconds= 7200
log_bin_trust_function_creators=1
binlog_format=ROW
log-bin = /data/mysqld/3306/binlog/3306-binlog
#buffer
join_buffer_size = 256K
sort_buffer_size = 256K
read_rnd_buffer_size = 256K
##innodb
#innodb Dynamic=NO
innodb_buffer_pool_instances = 8
innodb_read_io_threads = 8
innodb_write_io_threads = 4
#innodb_data_file_path = ibdata1:512M:autoextend
innodb_data_file_path = ibdata1:12M;ibdata2:100M;ibdata3:100M;ibdata4:100M:autoextend
innodb_buffer_pool_size = 2048M
innodb_flush_log_at_trx_commit = 2
innodb_max_dirty_pages_pct = 50
innodb_buffer_pool_load_at_startup=1
innodb_buffer_pool_dump_at_shutdown=1
[client]
port = 3306
socket = /data/mysqld/3306/tmp/mysql.sock
default-character-set = utf8mb4
[mysql]
default-character-set = utf8mb4
[mysqld]
server_id = 2207
user = mysql
port = 3306
#mysqlx_port = 33070
datadir = /data/mysqld/3306/data
socket = /data/mysqld/3306/tmp/mysql.sock
#mysqlx_socket = /data/mysqld/3306/mysqlx.sock
pid-file = /data/mysqld/3306/tmp/mysql.pid
log-error = /data/mysqld/3306/log/zhongtai_3306_error.log
#relay-log = /data/mysqld/3306/relaylog
#relay-log-index = /data/mysqld/3306/relaylog.index
default-storage-engine = Innodb
innodb_file_per_table = 1
long_query_time = 1
slow-query-log = on
slow_query_log_file = /data/mysqld/3306/log/zhongtai_3306_slow.log
log_slow_admin_statements
lower_case_table_names=1
log_timestamps=SYSTEM
group_concat_max_len = 102400
default_authentication_plugin=mysql_native_password
#charset
character-set-server = utf8mb4
collation-server = utf8mb4_general_ci
character-set-client-handshake = FALSE
init_connect=‘SET NAMES utf8mb4‘
open_files_limit = 65535
sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION
#参考:短时间内最大连接
back_log = 1024
#binlog
sync_binlog = 1
bulk_insert_buffer_size = 64M
binlog_cache_size = 4M
max_binlog_cache_size = 256M
max_binlog_size = 256M
#binlog_expire_logs_seconds= 259200
binlog_expire_logs_seconds= 7200
log_bin_trust_function_creators=1
binlog_format=ROW
log-bin = /data/mysqld/3306/binlog/3306-binlog
#buffer
join_buffer_size = 256K
sort_buffer_size = 256K
read_rnd_buffer_size = 256K
##innodb
#innodb Dynamic=NO
innodb_buffer_pool_instances = 8
innodb_read_io_threads = 8
innodb_write_io_threads = 4
#innodb_data_file_path = ibdata1:512M:autoextend
innodb_data_file_path = ibdata1:12M;ibdata2:100M;ibdata3:100M;ibdata4:100M:autoextend
innodb_buffer_pool_size = 2048M
innodb_flush_log_at_trx_commit = 2
innodb_max_dirty_pages_pct = 50
innodb_buffer_pool_load_at_startup=1
innodb_buffer_pool_dump_at_shutdown=1
innodb_print_all_deadlocks = 1
innodb_log_file_size = 256M
innodb_log_buffer_size = 32M
innodb_log_files_in_group = 3
innodb_io_capacity = 1000
#数据刷新方式
innodb_flush_method = O_DIRECT
#单个连接所分配的内存大小
innodb_sort_buffer_size = 1M
transaction_isolation=read-committed
#thread
thread_cache_size = 256
#connections
max_connections = 2048
max_connect_errors = 10240
#跳过反向解析
skip-name-resolve = 1
explicit_defaults_for_timestamp = TRUE
interactive_timeout = 600
wait_timeout = 600
##replication
#replicate_wild_ignore_table=mysql.%
#replicate_wild_ignore_table=sys.%
#replicate_wild_ignore_table=information_schema.%
#replicate_wild_ignore_table=performance_schema.%
master_info_repository=TABLE
relay_log_info_repository=TABLE
relay_log_recovery=ON
log_slave_updates=1
#plugin_dir=/usr/local/mysql3307/lib/plugin
#plugin_load = "rpl_semi_sync_master=semisync_master.so;rpl_semi_sync_slave=semisync_slave.so"
#rpl_semi_sync_master_enabled=1
#rpl_semi_sync_slave_enabled=1
###slave parallel replication####
#slave_parallel_type = LOGICAL_CLOCK
#slave_parallel_workers = 4
#slave_preserve_commit_order = ON
原文：https://www.cnblogs.com/hxfcodelife/p/14690318.html