缓冲池:
innodb_buffer_pool_size
innodb_buffer_pool_instances
innodb_log_buffer_size
innodb_log_file_size

临时表:
tmp_table_size
max_heap_table_size

磁盘临时表
innodb_tmpdir
innodb_tmp_tablespace

缓存刷新:
innodb_flush_log_at_trx_commit=[0,2,1]

更换SSD