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

posted @ 2019-10-10 09:20  纵马疾驰  阅读(2254)  评论(0编辑  收藏  举报