MySQL--my.cnf

Posted 2020-11-21 ykyk

[client]

 

[mysql]

prompt=(\[email protected]\h) [\d]>\_  

 

[mysqld]

########basic settings########

server-id = 11

port = 3306

user = mysql

bind_address=192.168.1.254

autocommit = 0

character_set_server=utf8

skip_name_resolve = 1

max_connections = 800

max_connect_errors = 5000

datadir = /data/mysql/3306/data

default_storage_engine=INNODB

transaction_isolation = READ-COMMITTED

explicit_defaults_for_timestamp = 1

join_buffer_size = 134217728

tmp_table_size = 67108864

tmpdir = /data/mysql/3306/tmp

socket = /data/mysql/3306/run/mysql.sock

pid-file = /data/mysql/3306/run/mysql.pid

max_allowed_packet = 16777216

sql_mode = "STRICT_TRANS_TABLES,NO_ENGINE_SUBSTITUTION,NO_ZERO_DATE,NO_ZERO_IN_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER"

interactive_timeout = 1800

wait_timeout = 1800

lock_wait_timeout = 1800

read_buffer_size = 16777216

read_rnd_buffer_size = 33554432

sort_buffer_size = 33554432

 

 

########log settings########

log_bin = /data/mysql/3306/binlog/bin.log

log_error = /data/mysql/3306/log/error.log

slow_query_log = 1

slow_query_log_file = /data/mysql/3306/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

expire_logs_days = 90

long_query_time = 2

min_examined_row_limit = 100

 

 

########replication settings########

master_info_repository = TABLE

relay_log_info_repository = TABLE

sync_binlog = 10

gtid_mode = on

enforce_gtid_consistency = 1

log_slave_updates

binlog_format = row

relay_log = /data/mysql/3306/relay-log/relay.log

relay_log_recovery = 1

binlog_gtid_simple_recovery = 1

slave_skip_errors = ddl_exist_errors

 

 

########innodb settings########

innodb_data_home_dir = /data/mysql/3306/innodb

innodb_data_file_path = ibdata1:2000M;ibdata2:2000M:autoextend

innodb_page_size = 8192

innodb_buffer_pool_size = 750M

innodb_buffer_pool_instances = 8

innodb_buffer_pool_load_at_startup = 1

innodb_buffer_pool_dump_at_shutdown = 1

innodb_lru_scan_depth = 2000

innodb_lock_wait_timeout = 5

innodb_io_capacity = 4000

innodb_io_capacity_max = 8000

innodb_flush_method = O_DIRECT

innodb_flush_log_at_trx_commit = 2

innodb_file_format = Barracuda

innodb_file_format_max = Barracuda

innodb_log_group_home_dir = /data/mysql/3306/redolog/

innodb_undo_directory = /data/mysql/3306/undolog/

innodb_undo_logs = 128

innodb_undo_tablespaces = 3

innodb_flush_neighbors = 1

innodb_log_file_size = 4G

innodb_log_buffer_size = 16777216

innodb_purge_threads = 4

innodb_large_prefix = 1

innodb_thread_concurrency = 64

innodb_print_all_deadlocks = 1

innodb_strict_mode = 1

innodb_sort_buffer_size = 67108864

 

metadata_locks_hash_instances = 64

innodb_open_files = 4096

table_open_cache = 4096

table_definition_cache = 4096

table_open_cache_instances = 128

thread_cache_size = 64

innodb_online_alter_log_max_size=1G

 

 

########semi sync replication settings########

plugin_dir=/usr/local/mysql/lib/plugin

plugin_load = "rpl_semi_sync_master=semisync_master.so;rpl_semi_sync_slave=semisync_slave.so"

loose_rpl_semi_sync_master_enabled = 1

loose_rpl_semi_sync_slave_enabled = 1

loose_rpl_semi_sync_master_timeout = 5000

 

[mysqld-5.7]

innodb_buffer_pool_dump_pct = 40

innodb_page_cleaners = 4

innodb_undo_log_truncate = 1

innodb_max_undo_log_size = 2G

innodb_purge_rseg_truncate_frequency = 128

binlog_gtid_simple_recovery=1

log_timestamps=system

transaction_write_set_extraction=MURMUR32

show_compatibility_56=on