MySQL最优配置模板（ 5.6&5.7转）
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[client] user = root password = 1111aaA_ [mysql] prompt = [\\u@\\p][\\d]>\\_ no-auto-rehash [mysqld_safe] malloc-lib=tcmalloc [mysqldump] single-transaction [mysqld] # basic settings # user = mysql sql_mode = "STRICT_TRANS_TABLES,NO_ENGINE_SUBSTITUTION,NO_ZERO_DATE,NO_ZERO_IN_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER" autocommit = 1 server-id = 8888 character_set_server=utf8mb4 datadir=/mysql_data/data transaction_isolation = READ-COMMITTED explicit_defaults_for_timestamp = 1 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 general_log_file = general.log slow_query_log = 1 slow_query_log_file = slow.log log_queries_not_using_indexes = 1 log_slow_admin_statements = 1 log_slow_slave_statements = 1 log_throttle_queries_not_using_indexes = 10 expire_logs_days = 90 long_query_time = 2 min_examined_row_limit = 100 log-bin-trust-function-creators = 1 log-slave-updates = 1 # innodb settings # innodb_page_size = 16384 innodb_buffer_pool_size = 160G innodb_buffer_pool_instances = 16 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 = 20000 innodb_flush_method = O_DIRECT innodb_undo_logs = 128 innodb_undo_tablespaces = 3 innodb_flush_neighbors = 0 innodb_log_file_size = 16G innodb_log_files_in_group = 2 innodb_log_buffer_size = 64M innodb_purge_threads = 4 innodb_large_prefix = 1 innodb_thread_concurrency = 64 innodb_print_all_deadlocks = 1 innodb_strict_mode = 1 innodb_sort_buffer_size = 128M innodb_write_io_threads = 16 innodb_read_io_threads = 16 innodb_file_per_table = 1 innodb_stats_persistent_sample_pages = 64 innodb_autoinc_lock_mode = 2 innodb_online_alter_log_max_size=1G innodb_open_files=4096 # replication settings # master_info_repository = TABLE relay_log_info_repository = TABLE sync_binlog = 1 gtid_mode = on enforce_gtid_consistency = 1 log_slave_updates binlog_format = ROW binlog_rows_query_log_events = 1 relay_log = relay.log relay_log_recovery = 1 slave_skip_errors = ddl_exist_errors slave-rows-search-algorithms = ‘INDEX_SCAN,HASH_SCAN‘ # 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 # password plugin # validate_password_policy = STRONG validate-password = FORCE_PLUS_PERMANENT # perforamnce_schema settings performance-schema-instrument=‘memory/%=COUNTED‘ performance_schema_digests_size = 40000 performance_schema_max_table_instances = 40000 performance_schema_max_sql_text_length = 4096 performance_schema_max_digest_length = 4096 [mysqld-5.6] # metalock performance settings metadata_locks_hash_instances = 64 [mysqld-5.7] # new innodb settings # loose_innodb_numa_interleave = 1 innodb_buffer_pool_dump_pct = 40 innodb_page_cleaners = 16 innodb_undo_log_truncate = 1 innodb_max_undo_log_size = 2G innodb_purge_rseg_truncate_frequency = 128 # new replication settings # slave-parallel-type = LOGICAL_CLOCK slave-parallel-workers = 16 slave_preserve_commit_order = 1 slave_transaction_retries = 128 # other change settings # binlog_gtid_simple_recovery = 1 log_timestamps = system show_compatibility_56 = on # group replication settings plugin-load = "group_replication.so;validate_password.so;semisync_master.so;semisync_slave.so" transaction-write-set-extraction = XXHASH64 # report_host = 127.0.0.1 # optional for group replication # binlog_checksum = NONE # only for group replication loose_group_replication = FORCE_PLUS_PERMANENT loose_group_replication_group_name = "aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa" loose_group_replication_compression_threshold = 100 loose_group_replication_flow_control_mode = 0 loose_group_replication_single_primary_mode = 0 loose_group_replication_enforce_update_everywhere_checks = 1 loose_group_replication_transaction_size_limit = 10485760 loose_group_replication_unreachable_majority_timeout = 120 loose_group_replication_start_on_boot = 0
原文：https://www.cnblogs.com/zping/p/9166209.html
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