3、MySQL 性能优化

如果是通过“宝塔Linux面板”方式安装的数据库，可以直接使用“性能调优”功能选择预选优化方案！

再手动二次修改，修改结果如下：

[client]
#password    = your_password
port = 13306
socket        = /tmp/mysql.sock

[mysqld]
binlog_cache_size = 192K
thread_stack = 384K
join_buffer_size = 4096K
query_cache_type = 1
max_heap_table_size = 1024M
port = 13306
socket        = /tmp/mysql.sock
datadir = /www/server/data
default_storage_engine = InnoDB
performance_schema_max_table_instances = 400
table_definition_cache = 400
skip-external-locking
key_buffer_size = 512M
max_allowed_packet = 100G
table_open_cache = 1024
sort_buffer_size = 2048K
net_buffer_length = 4K
read_buffer_size = 2048K
read_rnd_buffer_size = 1024K
myisam_sort_buffer_size = 64M
thread_cache_size = 192
query_cache_size = 256M
tmp_table_size = 1024M
sql-mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

explicit_defaults_for_timestamp = true
#skip-name-resolve
max_connections = 400
max_connect_errors = 100
open_files_limit = 65535

log-bin=mysql-bin
binlog_format=mixed
server-id = 1
expire_logs_days = 10
slow_query_log=1
slow-query-log-file=/www/server/data/mysql-slow.log
long_query_time=3
#log_queries_not_using_indexes=on
early-plugin-load = ""


innodb_data_home_dir = /www/server/data
innodb_data_file_path = ibdata1:10M:autoextend
innodb_log_group_home_dir = /www/server/data
innodb_buffer_pool_size = 1024M
innodb_log_file_size = 512M
innodb_log_buffer_size = 128M
innodb_flush_log_at_trx_commit = 1
innodb_lock_wait_timeout = 50
innodb_max_dirty_pages_pct = 90
innodb_read_io_threads = 8
innodb_write_io_threads = 8

[mysqldump]
quick
max_allowed_packet = 500M

[mysql]
no-auto-rehash

[myisamchk]
key_buffer_size = 256M
sort_buffer_size = 4M
read_buffer = 2M
write_buffer = 2M

[mysqlhotcopy]
interactive-timeout