记录一份 my.cnf 作为自己生产的标配, 仅供参考。
- [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
- 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
- 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
- explicit_defaults_for_timestamp
- key_buffer_size = 2M
- sort_buffer_size = 2M
- read_buffer_size = 2M
- read_rnd_buffer_size = 16M
- join_buffer_size = 2M
- thread_cache_size = 1024
- query_cache_size = 1M
- query_cache_limit = 1M
- query_cache_min_res_unit = 2k
- table_open_cache = 2048
- open_files_limit = 65535
- back_log = 3000
- max_connections = 4000
- max_user_connections = 2500
- max_connect_errors = 100
- max_allowed_packet = 512M
- thread_stack = 192k
- default-storage-engine = INNODB
- transaction_isolation = READ-COMMITTED
- tmp_table_size = 16M
- max_heap_table_size = 64M
- bulk_insert_buffer_size = 64M
- long_query_time = 0.5
- slow_query_log = on
- slow_query_log_file = /srv/myPORT/log/slow.log
- skip-name-resolve
- 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
- 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
