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202 MysqL,Galera Cluster,MariaDB and Percona Server MysqL/my.cnf MysqL/MariaDB 5.5 and newer MysqL-configuration-file-sample client port = socket = varrunMysqLdMysqL.sock MysqL no_auto_rehash max_allowed_packet = 16M prompt = ' default_character_set = utf8 MysqLdump max_allowed_packet = 16M MysqLd_safe open_files_limit = user = MysqL log-error = hostname_error.log MysqLd port = socket = varrunMysqLdMysqL.sock MysqL max_allowed_packet = 16M default_storage_engine = InnoDB MysqL 5.6,test carefully! This can have an impact on application. max_connections = max_user_connections = thread_cache_size = query_cache_type = query_cache_size = 32M 128M) QC because of QC clean-up lock! sort_buffer_size = 2M tmp_table_size = 32M read_buffer_size = 128k read_rnd_buffer_size = 256k join_buffer_size = 128k table_definition_cache = table_open_cache = MysqL error log log_error = hostname_error.log MysqL 5.7,equivalent to old behavIoUr log_warnings = MysqL 5.7,equivalent to log_warnings = 2 slow_query_log_file = hostname_slow.log slow_query_log = log_queries_not_using_indexes = long_query_time = min_examined_row_limit = general_log_file = hostname_general.log general_log = server_id = log_bin = hostname_binlog MysqL 5.6 binlog_cache_size = 1M binlog_stmt_cache_size = 1M max_binlog_size = 128M sync_binlog = expire_logs_days = binlog_format = ROW log_slave_updates = read_only = MysqL 5.6 MysqL 5.6 sql_mode = TRADITIONAL,ONLY_FULL_GROUP_BY,NO_ENGINE_SUBSTITUTION,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER # Be careful changing this afterwards key_buffer_size = 8M myisam_recover_options = MysqL 5.7,do NOT during/before MysqL_upgrade max_heap_table_size = 64M innodb_strict_mode = ON innodb_file_format_check = innodb_buffer_pool_size = 128M innodb_buffer_pool_instances = innodb_file_per_table = innodb_flush_log_at_trx_commit = innodb_log_buffer_size = 8M innodb_log_file_size = 256M MysqL parameter MysqLd without Galera MysqLdump # SST method (initial full sync): MysqLdump,rsync,rsync_wan,xtrabackup-v2 原文链接：https://www.f2er.com/note/421185.html
