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FluidKV: Seamlessly Bridging the Gap between Indexing Performance and Memory-Footprint on Ultra-Fast Storage

Summary: FluidKV: a three-stage KVS that fuses single- and multi-stage indexing by streaming requests from a write-concurrent frontend through an intermediate consolidator to a memory-efficient backend to fully exploit byte-addressable PM. Uses thread-exclusive logging, PM-friendly KV-blocks and dual-grained indexes to maximize parallelism/bandwidth, delivering up to 9x write, 3.9x read speedups and ~90% DRAM footprint reduction. (summarized by gpt-5-mini on Feb 09 2026)

Paper ID
h9a46625c3bab5a33
Venue
VLDB
Year
2024
Pagerank
5.1405104e-05
Overall Rank
9,690 | 34.86%
DOI
10.14778/3648160.3648177

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@article{lu_vldb24,
        title = {{FluidKV: Seamlessly Bridging the Gap between Indexing Performance and Memory-Footprint on Ultra-Fast Storage}},
        author = {Lu, Ziyi and Cao, Qiang and Jiang, Hong and Chen, Yuxing and Yao, Jie and Pan, Anqun},
        journal = {PVLDB},
        series = {{VLDB} '24},
        volume = {17},
        number = {6},
        pages = {1377--1390},
        doi = {10.14778/3648160.3648177},
        url = {https://doi.org/10.14778/3648160.3648177},
        year = {2024}
}

Incoming Citations (Sorted by Pagerank)

Showing 2 of 2 citing papers.

Rank Citing Paper Year Venue Pagerank
7,829 TDSQL: Tencent Distributed Database System 2024 VLDB 5.4438901e-05
9,562 H-Rocks: CPU-GPU accelerated Heterogeneous RocksDB on Persistent Memory 2025 SIGMOD 5.1571823e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 17 of 17 cited papers.

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

Rank Cited Paper Year Venue Pagerank
400 Monkey: Optimal Navigable Key-Value Store 2017 SIGMOD 0.00019129175
502 FPTree: A Hybrid SCM-DRAM Persistent and Concurrent B-Tree for Storage Class Memory 2016 SIGMOD 0.00017250534
754 Dostoevsky: Better Space-Time Trade-Offs for LSM-Tree Based Key-Value Stores via Adaptive Removal of Superfluous Merging 2018 SIGMOD 0.00014236015
907 HOT: A Height Optimized Trie Index for Main-Memory Database Systems 2018 SIGMOD 0.00013158824
1,320 Building a Bw-Tree Takes More Than Just Buzz Words 2018 SIGMOD 0.00011045319
1,359 Dash: Scalable Hashing on Persistent Memory 2020 VLDB 0.00010919021
1,854 LB+-Trees: Optimizing Persistent Index Performance on 3DXPoint Memory 2020 VLDB 9.4991601e-05
1,889 Design Continuums and the Path Toward Self-Designing Key-Value Stores that Know and Learn 2019 CIDR 9.4273689e-05
2,274 DPTree: Differential Indexing for Persistent Memory 2020 VLDB 8.7108312e-05
2,510 Viper: An Efficient Hybrid PMem-DRAM Key-Value Store 2021 VLDB 8.3698208e-05
2,742 Evaluating Persistent Memory Range Indexes 2020 VLDB 8.0681227e-05
2,770 Constructing and Analyzing the LSM Compaction Design Space 2021 VLDB 8.037607e-05
4,516 Persistent Memory Hash Indexes: An Experimental Evaluation 2021 VLDB 6.5646895e-05
6,064 NBTree: a Lock-free PM-friendly Persistent B+-Tree for eADR-enabled PM Systems 2022 VLDB 5.8979998e-05
6,072 Halo: A Hybrid PMem-DRAM Persistent Hash Index with Fast Recovery 2022 SIGMOD 5.8954394e-05
6,500 Revisiting the Design of LSM-tree Based OLTP Storage Engine with Persistent Memory 2021 VLDB 5.7648519e-05
6,877 Evaluating Persistent Memory Range Indexes: Part Two 2022 VLDB 5.6581603e-05
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# Overall Rank Paper Year Venue
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4 546 Faster: A Concurrent Key-Value Store with In-Place Updates 2018 SIGMOD
5 2,202 Mega-KV: A Case for GPUs to Maximize the Throughput of In-Memory Key-Value Stores 2015 VLDB
6 10,543 Analysis and Evaluation of Using Microsecond-Latency Memory for In-Memory Indices and Caches in SSD-Based Key-Value Stores 2026 SIGMOD
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8 10,228 From FASTER to F2: Evolving Concurrent Key-Value Store Designs for Large Skewed Workloads 2025 VLDB
9 9,081 MirrorKV: An Efficient Key-Value Store on Hybrid Cloud Storage with Balanced Performance of Compaction and Querying 2023 SIGMOD
10 10,667 PartitionKV: Redesigning LSM-tree KV Stores on NVMs with Adaptive Partitioning for Reducing Write Stalls and Amplification 2026 SIGMOD