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FAST
2016
8 years 23 days ago
WiscKey: Separating Keys from Values in SSD-conscious Storage
We present WiscKey, a persistent LSM-tree-based key-value store with a performance-oriented data layout that separates keys from values to minimize I/O amplification. The design ...
Lanyue Lu, Thanumalayan Sankaranarayana Pillai, An...
FAST
2016
8 years 23 days ago
The Composite-file File System: Decoupling the One-to-One Mapping of Files and Metadata for Better Performance
Traditional file system optimizations typically retain the one-to-one mapping of logical files to their physical metadata representations. This rigid mapping results in missed opp...
Shuanglong Zhang, Helen Catanese, An-I Andy Wang
FAST
2016
8 years 23 days ago
Using Hints to Improve Inline Block-layer Deduplication
Block-layer data deduplication allows file systems and applications to reap the benefits of deduplication without requiring per-system or per-application modifications. However...
Sonam Mandal, Geoff Kuenning, Dongju Ok, Varun Sha...
FAST
2016
8 years 23 days ago
Towards Accurate and Fast Evaluation of Multi-Stage Log-structured Designs
Multi-stage log-structured (MSLS) designs, such as LevelDB, RocksDB, HBase, and Cassandra, are a family of storage system designs that exploit the high sequential write speeds of ...
Hyeontaek Lim, David G. Andersen, Michael Kaminsky
FAST
2016
8 years 23 days ago
The Tail at Store: A Revelation from Millions of Hours of Disk and SSD Deployments
We study storage performance in over 450,000 disks and 4,000 SSDs over 87 days for an overall total of 857 million (disk) and 7 million (SSD) drive hours. We find that storage pe...
Mingzhe Hao, Gokul Soundararajan, Deepak R. Kencha...
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