Summary of WiscKey: Separating Keys from Values in SSD-Conscious Storage

  • Authors: Lanyue Lu, Thanumalayan Sankaranarayana Pillai, Andrea C. Arpaci-Dusseau, Remzi H. Arpaci-Dusseau
  • Conference: 14th USENIX Conference on File and Storage Technologies (FAST ‘16)
  • Key Concept: WiscKey is a key-value store that separates keys from values to minimize I/O amplification, optimizing performance for SSDs.
  • Performance: WiscKey outperforms LevelDB and RocksDB in various workloads, achieving up to 111× faster loading and improved random lookup speeds.
  • Design Goals: Focus on low write/read amplification, SSD optimization, and support for modern features like range queries.

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