Byte-addressable persistent memory was considered in the data management community as long ago as 1986. Thatte saw the advantages for programmability in unifying the abstractions of byte-addressable RAM with persistence [2]. Thatte's context was object-oriented databases containing a variety data structures that would be awkward to transform into the block-oriented abstractions provided by typical secondary storage. Thatte's proposed physical instantiation of persistent memory was a disk-backed device, although it is unclear whether such a device was ever built. Thatte recognized the importance of recovery to the overall scheme.

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技术视角

早在 1986 年，数据管理社区就考虑了字节可寻址的持久内存。Thatte 看到了将字节可寻址 RAM 的抽象与持久性统一起来的可编程性的优势 [2]。Thatte 的上下文是面向对象的数据库，其中包含各种数据结构，这些数据结构很难转换为典型的二级存储提供的面向块的抽象。Thatte 提出的持久内存的物理实例化是一个磁盘支持的设备，尽管尚不清楚是否曾经构建过这样的设备。Thatte 认识到恢复对整个计划的重要性。