Reaping the performance of fast NVM storage with uDepot
summary
uDepot is a bottom-up key-value store designed to exploit fast block-based NVM devices (not SSD/HDD). It uses a two-level index that adapts its DRAM footprint to stored items and a novel task-based I/O runtime to eliminate inefficiencies and maximize throughput/latency across multiple cores and devices. Evaluations show near-raw NVM performance as an embedded store, higher YCSB server performance than SSD-targeted stores, and a Memcache service matching DRAM performance at lower cost.
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