Snapshot: Fast, Userspace Crash Consistency for CXL and PM Using msync

• Published in: arXiv.org
• Main Authors: Mahar, Suyash, Shen, Mingyao, Kelly, Terence, Swanson, Steven
• Format: Paper
• Language: English
• Published: Ithaca Cornell University Library, arXiv.org 25.10.2023
• Subjects: Annotations; Consistency; Data storage; Solid state devices; Tracking

Crash consistency using persistent memory programming libraries requires programmers to use complex transactions and manual annotations. In contrast, the failure-atomic msync() (FAMS) interface is much simpler as it transparently tracks updates and guarantees that modified data is atomically durable...