[client] port = 3306 socket = /data/mysql/mysql.sock [mysql] prompt="\\u@\\h [\\d]> " #登入mysql数据库后，mysql的提示符 no-auto-rehash #禁用命令自动补全,重启mysql生效 [mysqld] # 需要根据实际情况修改的参数 port = 3306 basedir = /usr/local/mysql datadir = /data/mysql socket = /data/mysql/mysql.sock server-id = 623306 #建议设置成 ip最后一位+端口号 的方式 log-bin = /data/mysql/mybinlog slow_query_log_file = /data/mysql/slow.log log-error = /data/mysql/error.log innodb_undo_directory = /data/mysql/undolog innodb_buffer_pool_size = 2G #InnoDB内存 expire_logs_days = 7 #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 default_time_zone = "+8:00" #若MySQL数据库主要运行在境外，请务必根据实际情况调整本参数 # general user = mysql character-set-server = utf8mb4 transaction_isolation = READ-COMMITTED lower_case_table_names=1 #大小写不敏感 skip_name_resolve = 1 log_timestamps = SYSTEM slow_query_log = 1 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 table_open_cache_instances = 64 external-locking = FALSE explicit_defaults_for_timestamp = 1 # GTID master_info_repository = TABLE relay_log_info_repository = TABLE gtid_mode = on enforce_gtid_consistency = 1 # replication #skip_slave_start #如果作为中级节点必须开启否则不用开启 #read_only = 1 #从库必须开启 slave-skip-errors = 1032 #跳过1032错误 log_slave_updates slave-rows-search-algorithms = ‘INDEX_SCAN,HASH_SCAN‘ # relay log #slave_parallel_workers = 8 并行的复制，多个数据库就要开启并行 max-relay-log-size = 256M relay_log_purge = 1 relay_log_recovery = 1 # binary logging binlog_format = row sync_binlog = 1 binlog_cache_size = 4M max_binlog_cache_size = 2G max_binlog_size = 1G # myisam key_buffer_size = 64M #只针对Myisam引擎，如果以Innodb表为主，这个值就足够用了，如果以myisam表为主这个需要设置大些 myisam_sort_buffer_size = 128M myisam_max_sort_file_size = 10G myisam_repair_threads = 1 # buffers & cache table_open_cache = 1024 table_definition_cache = 2048 max_heap_table_size = 32M tmp_table_size = 32M sort_buffer_size = 4M join_buffer_size = 4M thread_cache_size = 768 thread_stack = 512K read_buffer_size = 8M read_rnd_buffer_size = 4M bulk_insert_buffer_size = 64M # connect max_connections = 2000 max_user_connections = 1000 #用户最大连接数 open_files_limit = 65535 #不能超过内核的上限值 back_log = 1024 #如果有1000个连接过来，数据库现在只能连接100个进程，另外900缓存起来存到back_log中 # timeout wait_timeout = 600 lock_wait_timeout = 3600 innodb_lock_wait_timeout = 30 max_connect_errors = 1000000 interactive_timeout = 600 connect_timeout = 20 slave-net-timeout = 20 # innodb innodb_additional_mem_pool_size = 16M innodb_adaptive_flushing = 1 #顺序io 的参数 自适应刷新 innodb_adaptive_hash_index = ON #开启自适应辅助hash索引 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_tablespaces = 95 innodb_thread_concurrency = 0 innodb_sync_spin_loops = 100 innodb_spin_wait_delay = 30 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 innodb_undo_log_truncate = 1 innodb_status_file = 1 binlog_checksum = 1 innodb_status_output = 0 #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_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" innodb_monitor_enable="module_log" innodb_monitor_enable="module_lock" innodb_monitor_enable="module_buffer" innodb_monitor_enable="module_index" innodb_monitor_enable="module_ibuf_system" innodb_monitor_enable="module_buffer_page" innodb_monitor_enable="module_adaptive_hash" # 下面的参数适用于 5.7 #innodb_checksums = 1 #innodb_file_format = Barracuda #innodb_file_format_max = Barracuda #query_cache_size = 0 #关闭查询缓存 #query_cache_type = 0 #关闭查询缓存 #innodb_undo_logs = 128 #internal_tmp_disk_storage_engine = InnoDB # 注意：MySQL 8.0.16开始删除该选项 # 下面的参数适用于 8.0 #log_error_verbosity = 3 #innodb_print_ddl_logs = 1 #binlog_expire_logs_seconds = 604800 #innodb_dedicated_server = 0 [mysqldump] quick max_allowed_packet = 1G
[client]port= 3306socket= /data/mysql/mysql.sock
[mysql]prompt="\\u@\\h [\\d]> " #登入mysql数据库后，mysql的提示符no-auto-rehash #禁用命令自动补全,重启mysql生效
[mysqld]# 需要根据实际情况修改的参数 port= 3306basedir= /usr/local/mysqldatadir= /data/mysqlsocket= /data/mysql/mysql.sockserver-id = 623306 #建议设置成 ip最后一位+端口号 的方式 log-bin = /data/mysql/mybinlogslow_query_log_file = /data/mysql/slow.loglog-error = /data/mysql/error.loginnodb_undo_directory = /data/mysql/undologinnodb_buffer_pool_size = 2G #InnoDB内存expire_logs_days = 7 #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default_time_zone = "+8:00" #若MySQL数据库主要运行在境外，请务必根据实际情况调整本参数
# generaluser = mysqlcharacter-set-server = utf8mb4transaction_isolation = READ-COMMITTEDlower_case_table_names=1 #大小写不敏感skip_name_resolve = 1log_timestamps = SYSTEMslow_query_log = 1long_query_time = 0.1log_queries_not_using_indexes =1log_throttle_queries_not_using_indexes = 60min_examined_row_limit = 100log_slow_admin_statements = 1log_slow_slave_statements = 1table_open_cache_instances = 64external-locking = FALSEexplicit_defaults_for_timestamp = 1
# GTID master_info_repository = TABLErelay_log_info_repository = TABLEgtid_mode = onenforce_gtid_consistency = 1
# replication#skip_slave_start #如果作为中级节点必须开启否则不用开启#read_only = 1 #从库必须开启slave-skip-errors = 1032 #跳过1032错误log_slave_updatesslave-rows-search-algorithms = ‘INDEX_SCAN,HASH_SCAN‘
# relay log#slave_parallel_workers = 8 并行的复制，多个数据库就要开启并行max-relay-log-size = 256M relay_log_purge = 1relay_log_recovery = 1
# binary logging binlog_format = rowsync_binlog = 1binlog_cache_size = 4Mmax_binlog_cache_size = 2Gmax_binlog_size = 1G
# myisamkey_buffer_size = 64M #只针对Myisam引擎，如果以Innodb表为主，这个值就足够用了，如果以myisam表为主这个需要设置大些myisam_sort_buffer_size = 128Mmyisam_max_sort_file_size = 10Gmyisam_repair_threads = 1
# buffers & cachetable_open_cache = 1024 table_definition_cache = 2048max_heap_table_size = 32Mtmp_table_size = 32Msort_buffer_size = 4Mjoin_buffer_size = 4Mthread_cache_size = 768thread_stack = 512Kread_buffer_size = 8Mread_rnd_buffer_size = 4Mbulk_insert_buffer_size = 64M
# connect max_connections = 2000max_user_connections = 1000 #用户最大连接数open_files_limit = 65535 #不能超过内核的上限值back_log = 1024 #如果有1000个连接过来，数据库现在只能连接100个进程，另外900缓存起来存到back_log中
# timeoutwait_timeout = 600lock_wait_timeout = 3600innodb_lock_wait_timeout = 30max_connect_errors = 1000000interactive_timeout = 600connect_timeout = 20slave-net-timeout = 20 # innodbinnodb_additional_mem_pool_size = 16Minnodb_adaptive_flushing = 1 #顺序io 的参数 自适应刷新innodb_adaptive_hash_index = ON #开启自适应辅助hash索引innodb_buffer_pool_instances = 4innodb_buffer_pool_load_at_startup = 1innodb_buffer_pool_dump_at_shutdown = 1innodb_data_file_path = ibdata1:1G:autoextendinnodb_flush_log_at_trx_commit = 1innodb_log_buffer_size = 32Minnodb_log_file_size = 2Ginnodb_log_files_in_group = 2innodb_max_undo_log_size = 4Ginnodb_undo_tablespaces = 95innodb_thread_concurrency = 0innodb_sync_spin_loops = 100innodb_spin_wait_delay = 30innodb_io_capacity = 4000innodb_io_capacity_max = 8000innodb_flush_sync = 0innodb_flush_neighbors = 0innodb_write_io_threads = 8innodb_read_io_threads = 8innodb_purge_threads = 4innodb_page_cleaners = 4innodb_open_files = 65535innodb_max_dirty_pages_pct = 50innodb_flush_method = O_DIRECTinnodb_lru_scan_depth = 4000innodb_checksum_algorithm = crc32innodb_lock_wait_timeout = 10innodb_rollback_on_timeout = 1innodb_print_all_deadlocks = 1innodb_file_per_table = 1innodb_online_alter_log_max_size = 4Ginnodb_stats_on_metadata = 0innodb_undo_log_truncate = 1innodb_status_file = 1binlog_checksum = 1innodb_status_output = 0 #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_locks = 0
# performance_schemaperformance_schema = 1performance_schema_instrument = ‘%memory%=on‘performance_schema_instrument = ‘%lock%=on‘
# innodb monitorinnodb_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"innodb_monitor_enable="module_log"innodb_monitor_enable="module_lock"innodb_monitor_enable="module_buffer"innodb_monitor_enable="module_index"innodb_monitor_enable="module_ibuf_system"innodb_monitor_enable="module_buffer_page"innodb_monitor_enable="module_adaptive_hash"
# 下面的参数适用于 5.7#innodb_checksums = 1#innodb_file_format = Barracuda#innodb_file_format_max = Barracuda#query_cache_size = 0 #关闭查询缓存#query_cache_type = 0 #关闭查询缓存#innodb_undo_logs = 128#internal_tmp_disk_storage_engine = InnoDB # 注意：MySQL 8.0.16开始删除该选项
# 下面的参数适用于 8.0#log_error_verbosity = 3#innodb_print_ddl_logs = 1#binlog_expire_logs_seconds = 604800#innodb_dedicated_server = 0
[mysqldump]quickmax_allowed_packet = 1G
原文：https://www.cnblogs.com/liang545621/p/13187337.html