Msql5.7 centos7 12G 服务器设置

cat  /etc/my.cnf
  
[client]
port = 3306  
socket=/var/lib/mysql/mysql.sock
default-character-set = utf8
[mysqld]
port = 3306
character-set-server=utf8
socket = /var/lib/mysql/mysql.sock
#basedir = /usr/local/mysql
datadir=/var/lib/mysql
pid-file=/var/run/mysqld/mysqld.pid
symbolic-links=0
user = mysql
bind-address = 0.0.0.0
server-id = 1
skip-name-resolve
#skip-networking
back_log = 600
max_connections = 1000
max_connect_errors = 6000
open_files_limit = 65535
table_open_cache = 128
max_allowed_packet = 4M
binlog_cache_size = 1M
max_heap_table_size = 8M
tmp_table_size = 16M
read_buffer_size = 2M
read_rnd_buffer_size = 8M
sort_buffer_size = 8M
join_buffer_size = 8M
key_buffer_size = 4M
thread_cache_size = 8
query_cache_size = 8M
query_cache_limit = 2M
ft_min_word_len = 4
log_bin = mysql-bin
binlog_format = mixed
expire_logs_days = 30
log-error=/var/log/mysqld.log
slow_query_log = 1
long_query_time = 1
slow_query_log_file = /var/log/mysql-slow.log
performance_schema = 0
explicit_defaults_for_timestamp
#lower_case_table_names = 1
skip-external-locking
default_storage_engine = InnoDB
#default-storage-engine = MyISAM
innodb_file_per_table = 1
innodb_open_files = 500
innodb_buffer_pool_size = 2048M
innodb_write_io_threads = 4
innodb_read_io_threads = 4
innodb_thread_concurrency = 64
innodb_purge_threads = 1
innodb_flush_log_at_trx_commit = 2
innodb_log_buffer_size = 2M
innodb_log_file_size = 32M
innodb_log_files_in_group = 3
innodb_max_dirty_pages_pct = 90
innodb_lock_wait_timeout = 120
bulk_insert_buffer_size = 8M
myisam_sort_buffer_size = 8M
myisam_max_sort_file_size = 10G
myisam_repair_threads = 1
interactive_timeout = 28800
wait_timeout = 28800
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES 


[mysqldump]
quick
max_allowed_packet = 16M


[myisamchk]
key_buffer_size = 8M
sort_buffer_size = 8M
read_buffer = 4M
write_buffer = 4M