#[client]
#user = root
#password = 1111aaA_
[mysql]
prompt = "\u@mysqldb \R:\m:\s [\d]> "
no-auto-rehash
[mysqld_safe]
malloc-lib=tcmalloc
[mysqldump]
single-transaction
[mysqld]
#basic settings#
server-id = 11
port = 3306
user = mysql
bind_address = 10.100.172.43
autocommit = 1
character_set_server=utf8mb4
datadir=/data/mysql/
explicit_defaults_for_timestamp = 1
sql_mode=STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION
transaction_isolation = READ-COMMITTED
max_allowed_packet = 64M
event_scheduler = 1
#connection#
interactive_timeout = 1800
wait_timeout = 1800
lock_wait_timeout = 1800
skip_name_resolve = 1
max_connections = 1024
max_user_connections = 256
max_connect_errors = 1000000
#table cache performance settings#
table_open_cache = 4096
table_definition_cache = 4096
table_open_cache_instances = 64
#session memory settings#
read_buffer_size = 16M
read_rnd_buffer_size = 32M
sort_buffer_size = 32M
tmp_table_size = 64M
join_buffer_size = 128M
thread_cache_size = 64
#log settings#
log_error = error.log
log_bin = binlog
log_error_verbosity = 2
slow_query_log = 1
slow_query_log_file = slow.log
log_queries_not_using_indexes = 1
log_slow_admin_statements = 1
log_slow_replica_statements = 1
log_throttle_queries_not_using_indexes = 10
binlog_expire_logs_seconds = 864000
long_query_time = 2
min_examined_row_limit = 100
log-bin-trust-function-creators = 1
########innodb settings########
innodb_page_size = 16k
innodb_buffer_pool_size = 4G
innodb_buffer_pool_instances = 8
innodb_buffer_pool_load_at_startup = 1
innodb_buffer_pool_dump_at_shutdown = 1
innodb_lru_scan_depth = 4096
innodb_lock_wait_timeout = 5
innodb_io_capacity = 10000
innodb_io_capacity_max = 12000
innodb_flush_method = O_DIRECT
innodb_flush_neighbors = 0
innodb_redo_log_capacity = 6G
innodb_log_buffer_size = 64M
innodb_purge_threads = 4
innodb_thread_concurrency = 4
innodb_print_all_deadlocks = 1
innodb_strict_mode = 1
innodb_sort_buffer_size = 64M
innodb_write_io_threads = 4
innodb_read_io_threads = 4
innodb_file_per_table = 1
innodb_stats_persistent_sample_pages = 64
innodb_autoinc_lock_mode = 2
innodb_online_alter_log_max_size=100M
innodb_open_files=4096
innodb_flush_log_at_trx_commit = 1
#replication settings#
sync_binlog = 1
gtid_mode = on
enforce_gtid_consistency = 1
binlog_format = ROW
binlog_rows_query_log_events = 1
relay_log = relay.log
relay_log_recovery = 1
log_replica_updates = 1
replica_skip_errors = ddl_exist_errors
replica_parallel_workers = 16
replica_preserve_commit_order = 1
replica_transaction_retries = 128
binlog_gtid_simple_recovery = 1
log_timestamps = system
#semi sync replication settings#
plugin-load = "group_replication.so;validate_password.so;semisync_master.so;semisync_slave.so"
loose_rpl_semi_sync_master_enabled = 1
loose_rpl_semi_sync_master_timeout = 3000
loose_rpl_semi_sync_slave_enabled = 1
#perforamnce_schema settings#
performance-schema-instrument='memory/%=COUNTED'
performance_schema_digests_size = 40000
performance_schema_max_table_handles = 40000
performance_schema_max_table_instances = 40000
performance_schema_max_sql_text_length = 4096
performance_schema_max_digest_length = 4096
loose_innodb_numa_interleave = 1
innodb_buffer_pool_dump_pct = 40
innodb_page_cleaners = 4
innodb_undo_log_truncate = 1
innodb_max_undo_log_size = 4G
innodb_purge_rseg_truncate_frequency = 128标签：log,配置文件,settings,buffer,max,innodb,MySQL,size From： https://www.cnblogs.com/gavin-zheng/p/17477385.html