Key value storage device with hash

A system and method for storing data. In some embodiments, the method includes: receiving, by a persistent key value storage device including a hash to map keys to value addresses, a first instruction, the first instruction being an instruction to access a first key of a first set of key values; and recording the first instruction in an instruction log of the persistent key value storage device. 一种用于存储数据的系统和方法。在一些实施例中，该方法包括：由包括用于将键映射到值地址的散列的持久键值存储设备接收第一指令，该第一指令是用于访问第一键值集合中的第一键的指令；以及在持久键值存储设备的指令日志中记录第一指令。