mysql配置文件my.cnf模板

[client]
default-character-set         = utf8mb4
port                          = PORT
socket                        = /srv/myPORT/run/mysql.sock

[mysqld]
user                          = mysql
port                          = PORT
extra-port                    = 1PORT
character_set_server          = utf8mb4
server_id                     = SERVER_ID
socket                        = /srv/myPORT/run/mysql.sock
basedir                       = /opt/percona-server
datadir                       = /srv/myPORT/data
log-error                     = /srv/myPORT/log/alert.log
pid-file                      = /srv/myPORT/run/mysql.pid

--------------二进制日志相关-----------------------------------------
log_slave_updates             = 1
log-bin                       = /srv/myPORT/log/mysql-bin
binlog_format                 = row
binlog_cache_size             = 2M
max_binlog_cache_size         = 4G
max_binlog_size               = 1G
expire_logs_days              = 7
--------------中继日志相关------------------------------------------
relay-log                     = /srv/myPORT/log/relay-bin
relay-log-info-file           = /srv/myPORT/log/relay-log.info
relay-log-index               = /srv/myPORT/log/relay-log.index
master-info-file              = /srv/myPORT/log/master.info
relay-log-recovery            = true
sync-relay-log-info           = 1

--------------全局缓存----------------------------------------------
key_buffer_size               = 2M
query_cache_size              = 1M
query_cache_limit             = 1M
query_cache_min_res_unit      = 2k
table_open_cache              = 2048

--------------线程缓存----------------------------------------------
sort_buffer_size              = 2M
read_buffer_size              = 2M
read_rnd_buffer_size          = 16M
join_buffer_size              = 2M
thread_cache_size             = 1024
tmp_table_size                = 16M
thread_stack                  = 192k
bulk_insert_buffer_size       = 64M
max_heap_table_size           = 64M

--------------连接相关-----------------------------------------------
back_log                      = 3000
max_connections               = 4000
max_user_connections          = 2500
max_connect_errors            = 100

--------------慢查询相关--------------------------------------------
long_query_time               = 0.5
slow_query_log                = on
slow_query_log_file           = /srv/myPORT/log/slow.log

--------------系统级别参数-------------------------------------------
skip-name-resolve
explicit_defaults_for_timestamp
open_files_limit              = 65535
max_allowed_packet            = 512M
default-storage-engine        = INNODB
transaction_isolation         = READ-COMMITTED

----------------Innodb相关--------------------------------------------
innodb_buffer_pool_size       = 10G
innodb_data_file_path         = ibdata1:2G:autoextend
innodb_file_io_threads        = 24
innodb_purge_threads          = 12
innodb_read_io_threads        = 24
innodb_write_io_threads       = 24
innodb_thread_concurrency     = 24
innodb_buffer_pool_instances  = 8
innodb_flush_log_at_trx_commit= 1
innodb_log_buffer_size        = 16M
innodb_log_file_size          = 2G
innodb_log_files_in_group     = 2
innodb_max_dirty_pages_pct    = 75
innodb_lock_wait_timeout      = 50
innodb_file_per_table         = 1

----------------线程相关------------------------------------------------
thread_handling               = pool-of-threads
thread_pool_idle_timeout      = 180
thread_pool_max_threads       = 5000
thread_pool_size              = 24
thread_pool_oversubscribe     = 10
thread_pool_stall_limit       = 500

[mysqldump]
quick
max_allow_packet              = 64M

[mysql]
no-auto-rehash

[mysqlhotcopy]
interactive-timeout