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Keigo: Co-designing Log-Structured Merge Key-Value Stores with a Non-Volatile, Concurrency-aware Storage Hierarchy

Summary: Keigo co-designs LSM KVSs with heterogeneous nonvolatile storage via concurrency-aware placement, persistent read-only caching, and context-based I/O differentiation. Portable across production LSMs, it adapts to workloads without profiling, delivering up to 4× write and 18× read throughput. (summarized by gpt-5.6-luna on Jul 24 2026)

Paper ID
h93e7631577a7f523
Venue
VLDB
Year
2025
Pagerank
4.9793485e-05
Overall Rank
11,293 | 24.08%
DOI
10.14778/3746405.3746414

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Authors

BibTeX Citation

@article{adao_vldb25,
        title = {{Keigo: Co-designing Log-Structured Merge Key-Value Stores with a Non-Volatile, Concurrency-aware Storage Hierarchy}},
        author = {Adão, Rúben and Wu, Zhongjie and Zhou, Changjun and Balmau, Oana and Paulo, João and Macedo, Ricardo},
        journal = {PVLDB},
        series = {{VLDB} '25},
        volume = {18},
        number = {9},
        pages = {2872--2885},
        doi = {10.14778/3746405.3746414},
        url = {https://doi.org/10.14778/3746405.3746414},
        year = {2025}
}

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Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank Cited Paper Year Venue Pagerank
436 Optimizing Space Amplification in RocksDB 2017 CIDR 0.00018319035
1,147 MyRocks: LSM-Tree Database Storage Engine Serving Facebook's Social Graph 2020 VLDB 0.00011813751
1,303 Realtime Data Processing at Facebook 2016 SIGMOD 0.0001110427
3,581 Understanding the Idiosyncrasies of Real Persistent Memory 2021 VLDB 7.1914474e-05
7,192 NVM: Is it Not Very Meaningful for Databases? 2023 VLDB 5.5902078e-05
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