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  • MySQL5.7和MySQL8.0通用配置文件

    MySQL5.7 my.cnf配置

    [client]
    port=3306
    socket=/log/mysql/mysql.sock
    
    [mysql]
    socket=/log/mysql/mysql.sock
    
    [mysqladmin]
    socket=/log/mysql/mysql.sock
    #user=zabbix
    #password=Paswwrod
    
    [mysqld_safe]
    log-error = /log/mysql/error.log
    
    [mysqld]
    port=3306
    skip_name_resolve = 1
    skip_symbolic_links = yes
    lower_case_table_names = 1
    explicit_defaults_for_timestamp = ON
    character_set_server = utf8
    collation_server = utf8_general_ci
    
    datadir = /data/mysql/
    socket = /log/mysql/mysql.sock
    
    log_error = /log/mysql/mysqld.log
    pid_file = /log/mysql/mysqld.pid
    
    # binlog
    server_id = 100
    log_bin = /log/mysql/mysql-bin
    binlog_cache_size = 32768
    binlog_checksum = CRC32
    binlog_format = ROW
    # [IGNORE_ERROR|ABORT_SERVER]
    binlog_error_action = ABORT_SERVER
    binlog_group_commit_sync_delay = 0
    binlog_transaction_dependency_tracking = COMMIT_ORDER
    binlog_order_commits = ON
    binlog_row_image = FULL
    binlog_rows_query_log_events = OFF
    # 0~99
    expire_logs_days = 10
    binlog_expire_logs_seconds = 864000
    sync_binlog = 1
    local_infile = 0
    
    # innodb
    innodb_file_per_table = ON
    innodb_checksum_algorithm = NONE
    # stores all data twice, first to the doublewrite buffer, then to the actual data files
    innodb_doublewrite = OFF
    # larger is wide range of workloads, particularly for DML operations involving bulk updates
    innodb_file_per_table = ON
    innodb_max_dirty_pages_pct = 50
    innodb_use_native_aio = ON
    # specifies whether InnoDB index statistics are persisted to disk
    innodb_stats_persistent = ON
    # The maximum delay between polls for a spin lock
    innodb_spin_wait_delay = 96
    
    # pool buffer
    # Keeping the InnoDB page size close to the storage device block size
    # minimizes the amount of unchanged data that is rewritten to disk.
    innodb_page_size = 16K
    innodb_buffer_pool_chunk_size = 128M
    innodb_buffer_pool_instances = 4
    innodb_buffer_pool_size = 6G
    innodb_buffer_pool_dump_at_shutdown = ON
    innodb_buffer_pool_dump_now = off
    innodb_buffer_pool_dump_pct = 15
    
    # ibdata file, system tablespace
    # innodb_data_file_path=datafile_spec1[;datafile_spec2]...
    # file_name:file_size[:autoextend[:max:max_file_size]]
    innodb_data_home_dir = /log/mysql/
    # innodb_data_file_path = ibdata1:4G;ibdata2:32M:autoextend:max:4G
    innodb_data_file_path = ibdata1:128M:autoextend:max:4G
    innodb_autoextend_increment = 64M
    
    # redo logs
    # innodb_log_file_size * innodb_log_files_in_group
    innodb_log_group_home_dir = /log/mysql/
    innodb_log_files_in_group = 2
    innodb_log_file_size = 4G
    # before the transactions commit. update, insert, or delete many rows, making the log buffer larger saves disk I/O
    innodb_log_buffer_size = 64M
    innodb_undo_directory = /log/mysql/
    # maximum number of .ibd files that MySQL can keep open at one time
    innodb_open_files = 5000
    
    # Defines the method used to flush data to InnoDB data files and log files, which can affect I/O throughput
    # O_DIRECT can help to avoid double buffering between the InnoDB buffer pool and the operating system file system cache
    innodb_flush_method = O_DIRECT
    # Specifies whether flushing a page from the InnoDB buffer pool also flushes other dirty pages in the same extent
    innodb_flush_neighbors = 0
    innodb_thread_concurrency = 0
    innodb_write_io_threads = 8
    innodb_read_io_threads = 8
    # sets an upper limit on the number of I/O operations performed per second by InnoDB background tasks
    innodb_io_capacity = 3000
    # causes the innodb_io_capacity setting to be ignored during bursts of I/O activity that occur at checkpoints
    innodb_flush_sync = ON
    # [0|1|2]
    innodb_flush_log_at_trx_commit = 1
    innodb_lock_wait_timeout = 30
    
    # pref special
    # whether to dynamically adjust the rate of flushing dirty pages in the InnoDB buffer pool based on the workload
    innodb_adaptive_flushing = ON
    innodb_purge_threads = 2
    # optimization for InnoDB tables that can speed up lookups using = and IN operators, by constructing a hash index in memory
    # A hash index can be partial; the whole B-tree index does not need to be cached in the buffer pool
    innodb_adaptive_hash_index = OFF
    
    # buffer size
    # Index blocks for MyISAM tables are buffered and are shared by all threads
    key_buffer_size = 2G
    sort_buffer_size = 8M
    read_buffer_size = 8M
    join_buffer_size = 64M
    tmp_table_size = 2G
    max_heap_table_size = 64M
    # OFF/ON/DEMAND
    #query_cache_type = OFF
    #query_cache_size = 32M
    
    # connections
    max_connections = 5000
    max_connect_errors = 100000
    wait_timeout = 86400
    max_execution_time = 0
    interactive_timeout = 7200
    
    # UPDATE wait until there is no pending SELECT or LOCK TABLE READ on the affected table
    low_priority_updates = 0
    # number of outstanding connection requests MySQL can have
    # 50 + (max_connections / 5)
    # this value is the size of the listen queue for incoming TCP/IP connections
    back_log = 1500
    thread_stack = 256K
    # 8 + (max_connections / 100)
    thread_cache_size = 64
    max_allowed_packet = 10M
    
    # number of open tables for all threads
    table_open_cache = 10000
    # value of 8 or 16 is recommended on systems that routinely use 16 or more cores.
    table_open_cache_instances = 16
    # number of files that the operating system permits mysqld to open
    # max_connections * 5 / 10 + max_connections + (table_open_cache * 2)
    open_files_limit = 15000
    
    # slow sql
    slow_launch_time = 4
    slow_query_log = ON
    slow_query_log_file = /log/mysql/slow.log
    
    sql_mode = STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION
    

    MySQL8.0 my.cnf配置文件

    [client]
    port=3306
    socket=/log/mysql/mysql.sock
    
    [mysql]
    socket=/log/mysql/mysql.sock
    
    [mysqladmin]
    socket=/log/mysql/mysql.sock
    
    [mysqld_safe]
    log-error = /log/mysql/error.log
    
    [mysqld]
    port=3306
    user=mysql
    datadir=/data/mysql
    socket=/log/mysql/mysql.sock
    
    log_error=/log/mysql/mysqld.log
    pid_file=/log/mysql/mysqld.pid
    
    skip_name_resolve=1
    skip_symbolic_links=yes
    explicit_defaults_for_timestamp=ON
    log_timestamps=SYSTEM
    character-set-server=utf8mb4
    collation-server=utf8mb4_general_ci
    
    # binlog
    server_id = 100
    log_bin = /log/mysql/mysql-bin
    binlog_cache_size = 32768
    binlog_checksum = CRC32
    binlog_format = ROW
    # [IGNORE_ERROR|ABORT_SERVER]
    binlog_error_action = ABORT_SERVER
    binlog_group_commit_sync_delay = 0
    binlog_transaction_dependency_tracking = COMMIT_ORDER
    binlog_order_commits = ON
    binlog_row_image = FULL
    binlog_rows_query_log_events = OFF
    # 0~99
    expire_logs_days = 10
    binlog_expire_logs_seconds = 864000
    sync_binlog = 1
    local_infile = 0
    
    # innodb
    innodb_file_per_table = ON
    innodb_checksum_algorithm = NONE
    # stores all data twice, first to the doublewrite buffer, then to the actual data files
    innodb_doublewrite = OFF
    # larger is wide range of workloads, particularly for DML operations involving bulk updates
    innodb_file_per_table = ON
    innodb_max_dirty_pages_pct = 50
    innodb_use_native_aio = ON
    # specifies whether InnoDB index statistics are persisted to disk
    innodb_stats_persistent = ON
    # The maximum delay between polls for a spin lock
    innodb_spin_wait_delay = 96
    
    # pool buffer
    # Keeping the InnoDB page size close to the storage device block size
    # minimizes the amount of unchanged data that is rewritten to disk.
    innodb_page_size = 16K
    innodb_buffer_pool_chunk_size = 128M
    innodb_buffer_pool_instances = 4
    innodb_buffer_pool_size = 2G
    innodb_buffer_pool_dump_at_shutdown = ON
    innodb_buffer_pool_dump_now = off
    innodb_buffer_pool_dump_pct = 15
    
    # ibdata file, system tablespace
    # innodb_data_file_path=datafile_spec1[;datafile_spec2]...
    # file_name:file_size[:autoextend[:max:max_file_size]]
    #innodb_data_home_dir=/log/mysql/
    # innodb_data_file_path=ibdata1:4G;ibdata2:32M:autoextend:max:4G
    #innodb_data_file_path=ibdata1:128M:autoextend:max:4G
    #innodb_autoextend_increment=64M
    
    # redo logs
    # innodb_log_file_size * innodb_log_files_in_group
    #innodb_log_group_home_dir = /log/mysql/
    #innodb_log_files_in_group = 2
    #innodb_log_file_size = 4G
    # before the transactions commit. update, insert, or delete many rows, making the log buffer larger saves disk I/O
    #innodb_log_buffer_size = 64M
    #innodb_undo_directory = /log/mysql/
    # maximum number of .ibd files that MySQL can keep open at one time
    #innodb_open_files = 5000
    
    # Defines the method used to flush data to InnoDB data files and log files, which can affect I/O throughput
    # O_DIRECT can help to avoid double buffering between the InnoDB buffer pool and the operating system file system cache
    innodb_flush_method = O_DIRECT
    # Specifies whether flushing a page from the InnoDB buffer pool also flushes other dirty pages in the same extent
    innodb_flush_neighbors = 0
    innodb_thread_concurrency = 0
    innodb_write_io_threads = 8
    innodb_read_io_threads = 8
    # sets an upper limit on the number of I/O operations performed per second by InnoDB background tasks
    innodb_io_capacity = 3000
    # causes the innodb_io_capacity setting to be ignored during bursts of I/O activity that occur at checkpoints
    innodb_flush_sync = ON
    # [0|1|2]
    innodb_flush_log_at_trx_commit = 1
    innodb_lock_wait_timeout = 30
    
    # pref special
    # whether to dynamically adjust the rate of flushing dirty pages in the InnoDB buffer pool based on the workload
    innodb_adaptive_flushing = ON
    innodb_purge_threads = 2
    # optimization for InnoDB tables that can speed up lookups using = and IN operators, by constructing a hash index in memory
    # A hash index can be partial; the whole B-tree index does not need to be cached in the buffer pool
    innodb_adaptive_hash_index = OFF
    
    # buffer size
    # Index blocks for MyISAM tables are buffered and are shared by all threads
    key_buffer_size = 1G
    sort_buffer_size = 8M
    read_buffer_size = 8M
    join_buffer_size = 64M
    tmp_table_size = 1G
    max_heap_table_size = 64M
    # OFF/ON/DEMAND
    #query_cache_type = OFF
    #query_cache_size = 32M
    
    # connections
    max_connections = 5000
    max_connect_errors = 100000
    wait_timeout = 86400
    max_execution_time = 0
    interactive_timeout = 7200
    
    # UPDATE wait until there is no pending SELECT or LOCK TABLE READ on the affected table
    low_priority_updates = 0
    # number of outstanding connection requests MySQL can have
    # 50 + (max_connections / 5)
    # this value is the size of the listen queue for incoming TCP/IP connections
    back_log = 1500
    thread_stack = 256K
    # 8 + (max_connections / 100)
    thread_cache_size = 64
    max_allowed_packet = 10M
    
    # number of open tables for all threads
    table_open_cache = 10000
    # value of 8 or 16 is recommended on systems that routinely use 16 or more cores.
    table_open_cache_instances = 16
    # number of files that the operating system permits mysqld to open
    # max_connections * 5 / 10 + max_connections + (table_open_cache * 2)
    open_files_limit = 15000
    
    # slow sql
    slow_launch_time = 4
    slow_query_log = ON
    slow_query_log_file = /log/mysql/slow.log
    
    sql_mode = STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION
    
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  • 原文地址:https://www.cnblogs.com/Serverlessops/p/13230126.html
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