Storage Management in the NVRAM Era

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Provided by: VLD Digital
Topic: Storage
Format: PDF
Emerging Non-Volatile Random Access Memory technologies (NVRAM) offer an alternative to disk that is persistent, provides read latency similar to DRAM, and is byte-addressable. Such NVRAMs could revolutionize On-Line Transaction Processing (OLTP), which today must employ sophisticated optimizations with substantial software overheads to overcome the long latency and poor random access performance of disk. Nevertheless, many candidate NVRAM technologies exhibit their own limitations, such as greater-than-DRAM latency, particularly for writes. In this paper, the authors reconsider OLTP durability management to optimize recovery performance and forward-processing throughput for emerging NVRAMs.
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