custom_mysql_config.cnf

[mysqld]

# 连接和线程管理
max_connections = 2048
thread_cache_size = 512
interactive_timeout = 30
wait_timeout = 30

# InnoDB设置
innodb_buffer_pool_size = 2048M
innodb_buffer_pool_instances = 2
innodb_log_buffer_size = 16M
innodb_redo_log_capacity = 64M
innodb_lock_wait_timeout = 30
innodb_file_per_table = 1
innodb_flush_log_at_trx_commit = 1
innodb_io_capacity = 1000
innodb_io_capacity_max = 2000

# 缓存和限制
table_open_cache = 2000
open_files_limit = 4000
tmp_table_size = 16M
max_heap_table_size = 16M
max_allowed_packet = 16M

# 缓冲区大小
sort_buffer_size = 4M
read_buffer_size = 2M
join_buffer_size = 2M

# --------------------------