join_buffer_size = 4M

thread_cache_size = 768

interactive_timeout = 600

wait_timeout = 600

tmp_table_size = 32M

max_heap_table_size = 32M

slow_query_log = 1

log_timestamps = SYSTEM

slow_query_log_file = /data/mysql3306/slow.log

log-error = /data/mysql3306/error.log

long_query_time = 0.1

log_queries_not_using_indexes =1

log_throttle_queries_not_using_indexes = 60

min_examined_row_limit = 100

log_slow_admin_statements = 1

log_slow_slave_statements = 1

server-id = 3306

log-bin = /data/mysql3306/logs/mybinlog

sync_binlog = 1

binlog_cache_size = 4M

max_binlog_cache_size = 2G

max_binlog_size = 1G

#注意：MySQL 8.0开始，binlog_expire_logs_seconds选项也存在的话，会忽略expire_logs_days选项

expire_logs_days = 7

master_info_repository = TABLE

relay_log_info_repository = TABLE

gtid_mode = on

enforce_gtid_consistency = 1

log_slave_updates

slave-rows-search-algorithms = 'INDEX_SCAN,HASH_SCAN'

binlog_format = row

binlog_checksum = 1

relay_log_recovery = 1

relay-log-purge = 1

key_buffer_size = 32M

read_buffer_size = 8M

read_rnd_buffer_size = 4M

bulk_insert_buffer_size = 64M

myisam_sort_buffer_size = 128M

myisam_max_sort_file_size = 10G

myisam_repair_threads = 1

lock_wait_timeout = 3600

explicit_defaults_for_timestamp = 1

innodb_thread_concurrency = 0

innodb_sync_spin_loops = 100

innodb_spin_wait_delay = 30

transaction_isolation = REPEATABLE-READ

#innodb_additional_mem_pool_size = 16M

innodb_buffer_pool_size = 2867M

innodb_buffer_pool_instances = 4

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

innodb_undo_directory = /data/mysql3306/data/undolog

innodb_undo_tablespaces = 95

# 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_sync = 0

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_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

innodb_stats_on_metadata = 0

#注意：MySQL 8.0.16开始删除该选项

#internal_tmp_disk_storage_engine = InnoDB

# some var for MySQL 8

log_error_verbosity = 3

innodb_print_ddl_logs = 1

binlog_expire_logs_seconds = 604800

#innodb_dedicated_server = 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 = '%memory%=on'

performance_schema_instrument = '%lock%=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"