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CAMAL: Optimizing LSM-trees via Active Learning

Summary: CAMAL tunes LSM-tree parameters via active learning, coupling ML with cost models to optimize reads/writes. Decoupled active learning, online adaptation to dynamic workloads, and extrapolation yield 28% average gains and up to 8x over prior RocksDB. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
6969
Venue
SIGMOD
Year
2024
Pagerank
4.6022693e-05
Overall Rank
8,011 | 44.33%
DOI
10.1145/3677138

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Outgoing Citations (Sorted by Pagerank)

Showing 46 of 46 cited papers.

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

Rank Cited Paper Year Venue Pagerank
101 The Case for Learned Index Structures 2018 SIGMOD 0.00049778866
183 Automatic Database Management System Tuning Through Large-scale Machine Learning 2017 SIGMOD 0.00036859633
281 LinkBench: a Database Benchmark Based on the Facebook Social Graph 2013 SIGMOD 0.00029084275
371 Self-Driving Database Management Systems 2017 CIDR 0.00025382677
379 bLSM: A General Purpose Log Structured Merge Tree 2012 SIGMOD 0.00024954332
423 Tuning Database Configuration Parameters with iTuned 2009 VLDB 0.00023628474
510 An End-to-End Automatic Cloud Database Tuning System Using Deep Reinforcement Learning 2019 SIGMOD 0.00021420477
606 DeepDB: Learn from Data, not from Queries! 2020 VLDB 0.00019251186
608 Monkey: Optimal Navigable Key-Value Store 2017 SIGMOD 0.00019233548
779 QTune: A Query-Aware Database Tuning System with Deep Reinforcement Learning 2019 VLDB 0.00016719473
804 An End-to-End Learning-based Cost Estimator 2020 VLDB 0.0001643674
876 Plan-Structured Deep Neural Network Models for Query Performance Prediction 2019 VLDB 0.00015660534
1,169 SuRF: Practical Range Query Filtering with Fast Succinct Tries 2018 SIGMOD 0.00013530267
1,239 Selectivity Estimation for Range Predicates using Lightweight Models 2019 VLDB 0.00013091459
1,309 Dostoevsky: Better Space-Time Trade-Offs for LSM-Tree Based Key-Value Stores via Adaptive Removal of Superfluous Merging 2018 SIGMOD 0.00012655712
1,368 SlimDB: A Space-Efficient Key-Value Storage Engine For Semi-Sorted Data 2017 VLDB 0.0001235708
1,616 Realtime Data Processing at Facebook 2016 SIGMOD 0.00011133818
1,699 Are We Ready For Learned Cardinality Estimation? 2021 VLDB 0.00010848882
1,816 An Inquiry into Machine Learning-based Automatic Configuration Tuning Services on Real-World Database Management Systems 2021 VLDB 0.00010438512
1,932 X-Engine: An Optimized Storage Engine for Large-scale E-commerce Transaction Processing 2019 SIGMOD 0.00010050776
1,957 Compaction management in distributed key-value datastores 2015 VLDB 9.961151e-05
2,112 The Log-Structured Merge-Bush & the Wacky Continuum 2019 SIGMOD 9.5244583e-05
2,595 WeTune: Automatic Discovery and Verification of Query Rewrite Rules 2022 SIGMOD 8.4725961e-05
2,606 Design Continuums and the Path Toward Self-Designing Key-Value Stores that Know and Learn 2019 CIDR 8.4621503e-05
2,797 Chucky: A Succinct Cuckoo Filter for LSM-Tree 2021 SIGMOD 8.1116755e-05
3,144 Active Learning for ML Enhanced Database Systems 2020 SIGMOD 7.4844943e-05
3,363 Lethe: A Tunable Delete-Aware LSM Engine 2020 SIGMOD 7.1680649e-05
3,545 Rosetta: A Robust Space-Time Optimized Range Filter for Key-Value Stores 2020 SIGMOD 6.9831585e-05
3,567 Accordion: Better Memory Organization for LSM Key-Value Stores 2018 VLDB 6.9606988e-05
3,797 Constructing and Analyzing the LSM Compaction Design Space 2021 VLDB 6.7552936e-05
3,970 Spooky: Granulating LSM-Tree Compactions Correctly 2022 VLDB 6.5756727e-05
4,216 Make Your Database System Dream of Electric Sheep: Towards Self-Driving Operation 2021 VLDB 6.3448176e-05
4,227 Cosine: A Cloud-Cost Optimized Self-Designing Key-Value Storage Engine 2022 VLDB 6.3381409e-05
4,572 Leaper: A Learned Prefetcher for Cache Invalidation in LSM-tree based Storage Engines 2020 VLDB 6.068399e-05
4,587 MB2: Decomposed Behavior Modeling for Self-Driving Database Management Systems 2021 SIGMOD 6.0594195e-05
4,755 Optimization for Active Learning-based Interactive Database Exploration 2019 VLDB 5.9375171e-05
4,836 Proteus: A Self-Designing Range Filter 2022 SIGMOD 5.8849277e-05
5,367 LogKV: Exploiting Key-Value Stores for Event Log Processing 2013 CIDR 5.5461097e-05
5,463 The RLR-Tree: A Reinforcement Learning Based R-Tree for Spatial Data 2023 SIGMOD 5.4920768e-05
5,543 Lightweight Cardinality Estimation in LSM-based Systems 2018 SIGMOD 5.4486922e-05
5,801 Dissecting, Designing, and Optimizing LSM-based Data Stores 2022 SIGMOD 5.3217858e-05
5,920 Breaking Down Memory Walls: Adaptive Memory Management in LSM-based Storage Systems 2021 VLDB 5.2686888e-05
6,394 Endure: A Robust Tuning Paradigm for LSM Trees Under Workload Uncertainty 2022 VLDB 5.0770427e-05
7,623 Learning to Optimize LSM-trees: Towards A Reinforcement Learning based Key-Value Store for Dynamic Workloads 2023 SIGMOD 4.6890662e-05
8,036 Tastes Great! Less Filling! High Performance and Accurate Training Data Collection for Self-Driving Database Management Systems 2022 SIGMOD 4.5965825e-05
9,069 Structural Designs Meet Optimality: Exploring Optimized LSM-tree Structures in A Colossal Configuration Space 2024 SIGMOD 4.3983078e-05
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