##############################
[client] port = 3306 socket = /home/work/mysql_3306/tmp/mysql.sock [mysqld]
# 在mysql8.0以上版本默认为caching_sha2_password，为了与mysql5.7版本兼容，设为 default_authentication_plugin=mysql_native_password user = work port = 3306 basedir = /home/work/mysql_3306 datadir = /home/work/mysql_3306/data tmpdir = /home/work/mysql_3306/tmp socket = /home/work/mysql_3306/tmp/mysql.sock pid_file = /home/work/mysql_3306/tmp/mysql.pid log-error = /home/work/mysql_3306/log/error.log general_log = /home/work/mysql_3306/log/general.log slow_query_log_file = /home/work/mysql_3306/log/slow.log log-bin = /home/work/mysql_3306/binlog/mysql-bin innodb_log_group_home_dir=/home/work/mysql_3306/data innodb_undo_directory=/home/work/mysql_3306/data default-time-zone = "+08:00" performance_schema = 1 log_slave_updates log_timestamps = SYSTEM slow_query_log long_query_time = 0.5 lock_wait_timeout = 120# 注意：mysql8.0以上版本的sql_mode没有NO_AUTO_CREATE_USER这个值。 sql_mode = 'STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION' table_open_cache_instances = 16 ################################## optimizer_switch='index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,engine_condition_pushdown=on,index_condition_pushdown=on,mrr=on,mrr_cost_based=on,block_nested_loop=on,batched_key_access=off,materialization=on,semijoin=on,loosescan=on,firstmatch=on,subquery_materialization_cost_based=on,use_index_extensions=on' super_read_only = off log_slow_slave_statements = on log_slow_admin_statements = on event-scheduler = off back_log = 1000 skip_name_resolve max_connections = 10240 max_user_connections = 4000 max_connect_errors = 1000 table_open_cache = 8192 table_definition_cache = 65535 max_allowed_packet = 64M expire_logs_days = 7 max_heap_table_size = 1024M read_rnd_buffer_size = 512K group_concat_max_len = 1024000 sort_buffer_size = 256K read_buffer_size = 64K join_buffer_size = 128K thread_cache_size = 256 ft_min_word_len = 4 default-storage-engine = INNODB thread_stack = 192K transaction_isolation = REPEATABLE-READ tmp_table_size = 1024M open_files_limit = 65536 key_buffer_size = 32M bulk_insert_buffer_size = 64M myisam_sort_buffer_size = 128M myisam_max_sort_file_size = 1G max_allowed_packet = 64M max_prepared_stmt_count = 1000000 #----------------------------------------------------------------- #replication server-id = 4545454545 binlog_rows_query_log_events = on log-slave-updates = 1 relay-log = relay-bin #这个参数一般用在主主同步中，用来错开自增值, 防止键值冲突 #auto_increment_offset = 1 #这个参数一般用在主主同步中，用来错开自增值, 防止键值冲突 # auto_increment_increment = 1 #####################必须集群内互相兼容，建议全都保持一致并为 row binlog_format = row # Last_IO_Error: Got fatal error 1236 from master when reading data from binary log:Slave can not handle replication events with the checksum that master is configured to log; # the first event ‘mysql-bin.000001’ at 451, the last event read from ‘./mysql-bin.000001’ at 451, the last byte read from ‘./mysql-bin.000001’ at 120.’ # 这就是binlog_checksum变量设置成none的原因，以免因为主从数据库的版本不一致出现这个错误。 binlog_checksum = none binlog_cache_size = 16M max_binlog_cache_size = 2G sync_binlog = 1 master_info_repository = TABLE relay_log_info_repository = TABLE relay_log_recovery = on sync_master_info = 10000 sync_relay_log_info = 10000 sync_relay_log = 0 #slave_net_timeout = 4 #slave-parallel-type = LOGICAL_CLOCK #slave-parallel-workers = 16 slave_pending_jobs_size_max = 134217728 slave_preserve_commit_order = 0 ################################# ## 下面这两个搞不好会导致启动失败，搞清楚原理再使用 #transaction_write_set_extraction = XXHASH64 #binlog_transaction_dependency_tracking = WRITESET #####################MySQL5.7.7之后，默认改成60秒。该参数定义了从库从主库获取数据等待的秒数，超过这个时间从库会主动退出读取，中断连接，并尝试重连。 #slave_net_timeout=8 ###############mysql版本在5.6之后才有该选项。 gtid_mode = on enforce-gtid-consistency = on # ##############################################################################################半同步复制插件，需要安装。mysql5.7版本之后才有。 ##########################################。安装插件在主库上：install plugin rpl_semi_sync_master soname 'semisync_master.so'; --安装 semisync_master.so插件 ##########################################。安装插件在从库上：install plugin rpl_semi_sync_slave soname 'semisync_slave.so'; --安装 semisync_slave.so插件 #plugin_load = "rpl_semi_sync_master=semisync_master.so;rpl_semi_sync_slave=semisync_slave.so" ################################半同步复制插件，需要安装。mysql5.7版本之后才有。 #rpl_semi_sync_master_enabled = on ################################半同步复制插件，需要安装。mysql5.7版本之后才有。 #rpl_semi_sync_slave_enabled = on ################################半同步复制插件，需要安装。mysql5.7版本之后才有。 #rpl_semi_sync_master_wait_for_slave_count = 1 ################################半同步复制插件，需要安装。mysql5.7版本之后才有。 #rpl_semi_sync_master_timeout = 1000 ################################半同步复制插件，需要安装。mysql5.7版本之后才有。 #rpl_semi_sync_master_wait_point = after_sync #undo innodb_max_undo_log_size = 1024M innodb_undo_log_truncate = on innodb_undo_tablespaces = 3 #只能在初始化的时候设置 innodb_purge_rseg_truncate_frequency = 128 #innodb innodb_autoextend_increment = 64 innodb_concurrency_tickets = 5000 innodb_old_blocks_time = 1000 innodb_purge_batch_size = 300 innodb_stats_on_metadata = off innodb_thread_sleep_delay = 10000 innodb_adaptive_max_sleep_delay = 15000 innodb_buffer_pool_dump_at_shutdown = on innodb_buffer_pool_load_at_startup = on innodb_flush_neighbors = 1 ############################nnoDB使用后台线程处理数据页上写 I/O（输入）请求的数量。 innodb_write_io_threads = 8 ############################InnoDB使用后台线程处理数据页上读 I/O（输出）请求的数量。这里输出是输入的两倍。 innodb_read_io_threads = 16 innodb_print_all_deadlocks = on innodb_buffer_pool_size = 1G innodb_buffer_pool_instances = 8 innodb_data_file_path = ibdata1:100M:autoextend # 这个参数在windows版本上没有这个参数 innodb_thread_concurrency = 48 innodb_flush_log_at_trx_commit = 1 innodb_log_buffer_size = 64M ############################该值表示每个redo log文件大小，该值大小约为该mysql实例一个小时产生的日志大小，这里设置为4G，ib_logfile0和ib_logfile1文件都是4G，逻辑上ib_logfile被当成了一个文件。循环写入。 innodb_log_file_size = 4096M #############################配置redo log成多个文件，Redo log文件以ib_logfile[number]命名，日志目录通过参数innodb_log_group_home_dir控制，以顺序的方式写入文件文件，写满时则回溯到第一个文件，进行覆盖写。 innodb_log_files_in_group = 3 ###############################控制了 Dirty Page 在 Buffer Pool 中所占的比率。 innodb_max_dirty_pages_pct = 75 innodb_max_dirty_pages_pct_lwm = 10 innodb_flush_method = O_DIRECT # 在windows上不行 innodb_lock_wait_timeout = 10 #注意：innodb_file_per_table参数必须设置为1，否则xtrabackup工具无法单独备份某一个数据库。 innodb_file_per_table = 1 innodb_purge_threads = 4 #########################该参数表示缓冲区刷新到磁盘时，刷新脏页数量。普通单个SATA可以设置200，对于SSD可以设置3000到5000，而拥有5个磁盘组成的RAID5可以设置成2000。 innodb_io_capacity = 5000 innodb_open_files = 65535 innodb_online_alter_log_max_size = 5120M innodb_sort_buffer_size = 4M innodb_adaptive_hash_index_parts = 8 innodb_buffer_pool_chunk_size = 128 innodb_buffer_pool_dump_pct = 80 innodb_deadlock_detect = on innodb_default_row_format = DYNAMIC innodb_fill_factor = 100 innodb_flush_sync = off innodb_log_checksums = on innodb_log_write_ahead_size = 8192 innodb_max_undo_log_size = 1073741824 innodb_page_cleaners = 4 innodb_purge_rseg_truncate_frequency = 128 innodb_temp_data_file_path = ibtmp1:12M:autoextend
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标签：slave,log,配置文件,max,cnf,innodb,mysql,MySQL8.0,size From： https://www.cnblogs.com/igoodful/p/17094063.html