iv
Application Startup and Recovery �� 27
What’s Next? �� 29
Summary�� 29
Chapter 3: Operating System Support for Persistent Memory �� 31
Operating System Support for Memory and Storage �� 31
Persistent Memory As Block Storage �� 33
Persistent Memory-Aware File Systems �� 34
Memory-Mapped Files �� 35
Persistent Memory Direct Access (DAX) �� 43
Summary�� 53
Chapter 4: Fundamental Concepts of Persistent Memory Programming �� 55
What’s Different? �� 55
Atomic Updates �� 56
Transactions �� 57
Atomicity �� 57
Consistency �� 58
Isolation �� 58
Durability �� 58
Flushing Is Not Transactional �� 59
Start-Time Responsibilities �� 59
Tuning for Hardware Configurations �� 60
Summary�� 60
Chapter 5: Introducing the Persistent Memory Development Kit �� 63
Background �� 63
Choosing the Right Semantics �� 64
Volatile Libraries �� 65
libmemkind �� 65
libvmemcache �� 66
libvmem �� 67
Table of ConTenTs

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