you already know your solution, 还有一种方法是 dump memory, 还有一种情况,假如地球突然毁灭.......帮我们写一个 OnDead event handler, :-)how does a DBMS make itself consistent? it writes the data/operations to log files periodically. If the machine crashes and is up again, the DBMS reads the log and does whatever it needs to do to recover itself
比如开发一块PCI卡