[client] port=3306 socket=/tmp/mysql.sock default-character-set=utf8 [mysql] no-auto-rehash default-character-set=utf8 [mysqld] user = mysql port = 3306 basedir = /usr/local/mysql datadir = /usr/local/mysql/data socket = /tmp/mysql.sock pid-file = mysql3306.pid default-storage-engine=INNODB log-error=/usr/local/mysql/logs/error.log skip_name_resolve = 1 open_files_limit = 65535 back_log = 1024 max_connections = 1500 max_connect_errors = 1000000 table_open_cache = 1024 table_definition_cache = 1024 table_open_cache_instances = 64 thread_stack = 512K external-locking = FALSE max_allowed_packet = 32M sort_buffer_size = 16M join_buffer_size = 16M thread_cache_size = 2250 query_cache_size = 0 query_cache_type = 0 interactive_timeout = 600 wait_timeout = 600 tmp_table_size = 96M max_heap_table_size = 96M ###***slowqueryparameters long_query_time = 1 slow_query_log = 1 slow_query_log_file = /usr/local/mysql/logs/slow.log ###***binlogparameters log-bin=mysql-bin binlog_cache_size=4M max_binlog_cache_size=8M max_binlog_size=1024M binlog_format=MIXED expire_logs_days=7 ###***master-slavereplicationparameters server-id=3306 #slave-skip-errors=all #innodb transaction_isolation = REPEATABLE-READ #innodb_additional_mem_pool_size = 16M innodb_buffer_pool_size = 1434M innodb_buffer_pool_instances = 8 innodb_buffer_pool_load_at_startup = 1 innodb_buffer_pool_dump_at_shutdown = 1 innodb_data_file_path = ibdata1:1G:autoextend innodb_flush_log_at_trx_commit = 1 innodb_log_buffer_size = 32M innodb_log_file_size = 2G innodb_log_files_in_group = 2 innodb_max_undo_log_size = 4G # 根据您的服务器IOPS能力适当调整 # 一般配普通SSD盘的话，可以调整到 10000 - 20000 # 配置高端PCIe SSD卡的话，则可以调整的更高，比如 50000 - 80000 innodb_io_capacity = 4000 innodb_io_capacity_max = 8000 innodb_flush_neighbors = 0 innodb_write_io_threads = 8 innodb_read_io_threads = 8 innodb_purge_threads = 4 innodb_page_cleaners = 4 innodb_open_files = 65535 innodb_max_dirty_pages_pct = 50 innodb_flush_method = O_DIRECT innodb_lru_scan_depth = 4000 innodb_checksum_algorithm = crc32 #innodb_file_format = Barracuda #innodb_file_format_max = Barracuda innodb_lock_wait_timeout = 10 innodb_rollback_on_timeout = 1 innodb_print_all_deadlocks = 1 innodb_file_per_table = 1 innodb_online_alter_log_max_size = 4G internal_tmp_disk_storage_engine = InnoDB innodb_stats_on_metadata = 0 innodb_status_file = 1 # 注意: 开启 innodb_status_output & innodb_status_output_locks 后, 可能会导致log-error文件增长较快 innodb_status_output = 0 innodb_status_output_locks = 0 #performance_schema performance_schema = 1 performance_schema_instrument = '%=on' #innodb monitor innodb_monitor_enable="module_innodb" innodb_monitor_enable="module_server" innodb_monitor_enable="module_dml" innodb_monitor_enable="module_ddl" innodb_monitor_enable="module_trx" innodb_monitor_enable="module_os" innodb_monitor_enable="module_purge" innodb_monitor_enable="module_log" innodb_monitor_enable="module_lock" innodb_monitor_enable="module_buffer" innodb_monitor_enable="module_index" innodb_monitor_enable="module_ibuf_system" innodb_monitor_enable="module_buffer_page" innodb_monitor_enable="module_adaptive_hash" [mysqldump] quick max_allowed_packet=32M innodb_locks_unsafe_for_binlog=1 innodb_autoinc_lock_mode=2