• mysql 5.7 my.cnf配置


    此为配置上生产环境的参数,后续补充参数说明

    [client]
    port=3306
    socket = /data/mysql/tmp/mysql.sock
    # default-character-set=utf8

    [mysqld]
    datadir = /data/mysql/data
    basedir = /usr
    socket = /data/mysql/tmp/mysql.sock
    user=mysql
    # Disabling symbolic-links is recommended to prevent assorted security risks
    symbolic-links=0
    user = mysql
    character-set-server=utf8
    user = mysql
    tmpdir = /data/mysql/tmp
    transaction_isolation = READ-COMMITTED
    default-storage-engine = InnoDB
    explicit_defaults_for_timestamp = 1
    lower_case_table_names = 1
    event_scheduler = 1
    skip-external-locking
    sql_mode = 'NO_AUTO_VALUE_ON_ZERO,STRICT_TRANS_TABLES,NO_ZERO_DATE,NO_ZERO_IN_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION,PIPES_AS_CONCAT,ANSI_QUOTES'
    plugin_dir = /usr/lib64/mysql/plugin

    # ---------------- Connection/File/Table ----------------
    interactive_timeout = 1800
    wait_timeout = 1800
    lock_wait_timeout = 1800
    skip_name_resolve = 1
    max_connections = 1000
    max_user_connections = 256
    max_connect_errors = 20000
    back_log = 384
    open_files_limit = 65535
    table_open_cache = 1024
    table_definition_cache = 1024
    table_open_cache_instances = 32

    # ---------------- Session Buffer Cache ----------------
    query_cache_size = 0
    query_cache_type = 0
    max_allowed_packet = 64M
    read_buffer_size = 16M
    read_rnd_buffer_size = 16M
    sort_buffer_size = 16M
    tmp_table_size = 64M
    join_buffer_size = 32M
    key_buffer_size = 384M
    thread_cache_size = 64
    thread_stack = 256K

    # ---------------- Logfile ----------------
    slow_query_log = 1
    slow_query_log_file = /data/mysql/log/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
    min_examined_row_limit = 100
    binlog-rows-query-log-events = 1
    log-bin-trust-function-creators = 1
    long_query_time = 0.1

    # ---------------- Binlog ----------------
    log-bin = /data/mysql/log/binlog/mysql-bin
    #log-bin-index = /data/mysql/log/binlog/mysql-bin.index
    binlog_format = row
    expire_logs_days = 7
    sync_binlog = 1
    binlog_cache_size = 8M
    max_binlog_cache_size = 2048M
    max_binlog_size = 1024M
    binlog_rows_query_log_events = 1

    # ---------------- InnoDB ----------------
    innodb_buffer_pool_size = 1G
    innodb_buffer_pool_instances = 1
    innodb_online_alter_log_max_size = 1024M
    innodb_thread_concurrency = 8
    innodb_io_capacity = 4000
    innodb_io_capacity_max = 8000
    innodb_sort_buffer_size = 64M
    innodb_page_size = 16K
    innodb_open_files = 1024
    innodb_flush_log_at_trx_commit = 1
    innodb_read_io_threads = 8
    innodb_write_io_threads = 8
    innodb_purge_threads = 4
    innodb_max_dirty_pages_pct = 80
    innodb_buffer_pool_load_at_startup = 1
    innodb_buffer_pool_dump_at_shutdown = 1
    innodb_lock_wait_timeout = 30
    innodb_rollback_on_timeout = 1
    innodb_lru_scan_depth = 1024
    innodb_flush_method = O_DIRECT
    innodb_checksum_algorithm = CRC32
    innodb_file_per_table = 1
    innodb_file_format = Barracuda
    innodb_file_format_max = Barracuda
    innodb_flush_neighbors = 0
    innodb_large_prefix = 0
    innodb_print_all_deadlocks = 1
    innodb_stats_persistent_sample_pages = 64
    innodb_autoinc_lock_mode = 2
    innodb_sync_spin_loops = 100
    innodb_spin_wait_delay = 30
    innodb_stats_on_metadata = 0

    # ---------------- Redo/Undo ----------------
    innodb_log_buffer_size = 16M
    innodb_log_file_size = 1024M
    innodb_log_files_in_group = 3
    innodb_log_group_home_dir = /data/mysql/log/redo
    innodb_undo_logs = 128
    innodb_undo_tablespaces = 3
    innodb_undo_directory = /data/mysql/log/undo

    # ---------------- Replication ----------------
    server-id = 101
    master_info_repository = TABLE
    relay_log_info_repository = TABLE
    gtid_mode = on
    enforce_gtid_consistency = 1
    log_slave_updates = 1
    relay_log = /data/mysql/log/relay/relay.log
    relay_log_recovery = 1
    slave_skip_errors = ddl_exist_errors
    slave-rows-search-algorithms = 'INDEX_SCAN,HASH_SCAN'

    # ---------------- perforamnce_schema ----------------
    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

    loose_innodb_numa_interleave = 1
    innodb_buffer_pool_dump_pct = 75
    innodb_page_cleaners = 4
    innodb_undo_log_truncate = 1
    innodb_max_undo_log_size = 2G
    innodb_purge_rseg_truncate_frequency = 128
    slave-parallel-type = LOGICAL_CLOCK
    slave-parallel-workers = 16
    slave_preserve_commit_order = 1
    slave_transaction_retries = 128
    binlog_gtid_simple_recovery = 1
    log_timestamps = system
    show_compatibility_56 = 1

    [mysql]
    no-auto-rehash
    default-character-set=utf8

    [mysqld_safe]
    log-error = /data/mysql/log/error.log
    pid-file = /data/mysql/tmp/mysql.pid

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  • 原文地址:https://www.cnblogs.com/h-gallop/p/11645794.html
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