my.cnf
[client]
socket = /paic/mysql01/var/mysql.sock
port = 3306
[mysqld]
############ GENERAL #############
autocommit = ON
character_set_server = UTF8MB4
collation_server = UTF8MB4_bin
explicit_defaults_for_timestamp = ON
lower_case_table_names = 1
port = 3306
read_only = OFF
transaction_isolation = READ-COMMITTED
####### CACHES AND LIMITS #########
interactive_timeout = 600
max_allowed_packet = 32M
max_connect_errors = 10000
max_connections = 4000
max_user_connections = 2000
sort_buffer_size = 1M
table_definition_cache = 1400
table_open_cache = 2000
table_open_cache_instances = 4
thread_cache_size = 9
thread_stack = 256K
tmp_table_size = 32M
############# SAFETY ##############
local_infile = OFF
#plugin-load = validate_password.so
skip_name_resolve = ON
#sql_mode = STRICT_TRANS_TABLES,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_AUTO_VALUE_ON_ZERO,NO_ENGINE_SUBSTITUTION,NO_ZERO_DATE,NO_ZERO_IN_DATE,ONLY_FULL_GROUP_BY
############# LOGGING #############
general_log = 0
log_queries_not_using_indexes = ON
log_slow_admin_statements = ON
log_warnings = 2
long_query_time = 1
slow_query_log = OFF
############# REPLICATION #############
binlog_checksum = CRC32
binlog_format = row
binlog_rows_query_log_events = ON
#enforce_gtid_consistency = ON
expire_logs_days = 5
#gtid_mode = ON
#log_slave_updates = ON
master_info_repository = TABLE
master_verify_checksum = ON
max_binlog_size = 256M
relay_log_info_repository = TABLE
server_id = 194196
skip_slave_start = ON
slave_net_timeout = 4
slave_sql_verify_checksum = ON
sync_binlog = 0
sync_master_info = 10000
sync_relay_log = 10000
sync_relay_log_info = 10000
slave_skip_errors=1032,1062
############### PATH ##############
basedir = /paic/mysql/base
datadir = /paic/mysql01/data
tmpdir = /paic/mysql01/tmp
socket = /paic/mysql01/var/mysql.sock
pid_file = /paic/mysql01/var/mysql.pid
innodb_data_home_dir = /paic/mysql01/data
log_error = /paic/mysql01/log/error.log
general_log_file = /paic/mysql01/log/general.log
slow_query_log_file = /paic/mysql01/log/slow.log
log_bin = /paic/mysql01/log/mysql-bin
log_bin_index = /paic/mysql01/log/mysql-bin.index
relay_log = /paic/mysql01/log/relay-log
relay_log_index = /paic/mysql01/log/relay-log.index
############# INNODB #############
innodb_file_format = barracuda
innodb_flush_method = O_DIRECT
innodb_buffer_pool_size = 48G
#innodb_log_file_size = 256M
innodb_log_file_size=33554432
innodb_log_files_in_group=3
#innodb_log_files_in_group = 4
innodb_flush_log_at_trx_commit = 2
innodb_support_xa = ON
innodb_strict_mode = ON
#innodb_data_file_path=ibdata1:12M:autoextend
innodb_data_file_path = ibdata1:256M;ibdata2:16M:autoextend
#innodb_checksum_algorithm = strict_crc32
[mysql]
############# CLIENT #############
max_allowed_packet = 32M
socket = /paic/mysql01/var/mysql.sock
[mysqldump]
max_allowed_packet = 256M
[mysqld_safe]
ledir=/paic/mysql/bin
my.cnf