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OBELISK: Efficient Offline Query Planning with Bayesian Optimization-Informed Language Model Reasoning

Summary: OBELISK reframes offline plan management as optimizing cost-scaling knobs that steer CQO toward robust plans, instead of directly searching the plan space. Training-free closed loop: Bayesian optimization guides knob subspaces, LM reasoning proposes configs, and history-aware gating cuts redundant evaluations. (summarized by gpt-5.4-mini on May 27 2026)

Paper ID
14308
Venue
VLDB
Year
2026
Pagerank
4.1945683e-05
Overall Rank
10,271 | 28.55%
DOI
10.14778/3801059.3801077

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Showing 50 of 51 cited papers.

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

Rank Cited Paper Year Venue Pagerank
1 Access Path Selection in a Relational Database Management System 1979 SIGMOD 0.0040449103
60 Efficiently Compiling Efficient Query Plans for Modern Hardware 2011 VLDB 0.00064439773
71 How Good Are Query Optimizers, Really? 2016 VLDB 0.00059038975
156 Amazon Aurora: Design Considerations for High Throughput Cloud-Native Relational Databases 2017 SIGMOD 0.00040504295
183 Automatic Database Management System Tuning Through Large-scale Machine Learning 2017 SIGMOD 0.00036721403
204 Learned Cardinalities: Estimating Correlated Joins with Deep Learning 2019 CIDR 0.00034784455
333 Neo: A Learned Query Optimizer 2019 VLDB 0.00027206884
424 Tuning Database Configuration Parameters with iTuned 2009 VLDB 0.00023616398
488 TiDB: A Raft-based HTAP Database 2020 VLDB 0.000220409
640 Bao: Making Learned Query Optimization Practical 2021 SIGMOD 0.00018759152
735 Umbra: A Disk-Based System with In-Memory Performance 2020 CIDR 0.00017452467
853 Everything You Always Wanted to Know About Compiled and Vectorized Queries But Were Afraid to Ask 2018 VLDB 0.00015940507
884 Plan-Structured Deep Neural Network Models for Query Performance Prediction 2019 VLDB 0.00015654004
910 NeuroCard: One Cardinality Estimator for All Tables 2021 VLDB 0.00015423056
1,547 Lightweight Graphical Models for Selectivity Estimation Without Independence Assumptions 2011 VLDB 0.00011442359
1,864 Relaxed Operator Fusion for In-Memory Databases: Making Compilation, Vectorization, and Prefetching Work Together At Last 2018 VLDB 0.00010280966
2,121 Balsa: Learning a Query Optimizer Without Expert Demonstrations 2022 SIGMOD 9.5017232e-05
2,762 FLAT: Fast, Lightweight and Accurate Method for Cardinality Estimation 2021 VLDB 8.1585394e-05
2,783 Flow-Loss: Learning Cardinality Estimates That Matter 2021 VLDB 8.1293383e-05
2,985 DSB: A Decision Support Benchmark for Workload-Driven and Traditional Database Systems 2021 VLDB 7.7795847e-05
3,169 QueryFormer: A Tree Transformer Model for Query Plan Representation 2022 VLDB 7.4498425e-05
3,348 Lero: A Learning-to-Rank Query Optimizer 2023 VLDB 7.1904529e-05
3,625 Cost Models for Big Data Query Processing: Learning, Retrofitting, and Our Findings 2020 SIGMOD 6.9055212e-05
3,628 OceanBase: A 707 Million tpmC Distributed Relational Database System 2022 VLDB 6.9031596e-05
3,812 Facilitating Database Tuning with Hyper-Parameter Optimization: A Comprehensive Experimental Evaluation 2022 VLDB 6.7373184e-05
3,828 Zero-Shot Cost Models for Out-of-the-box Learned Cost Prediction 2022 VLDB 6.7208524e-05
3,869 MagicScaler: Uncertainty-aware, Predictive Autoscaling 2023 VLDB 6.6802432e-05
3,990 FactorJoin: A New Cardinality Estimation Framework for Join Queries 2023 SIGMOD 6.5581983e-05
4,380 LlamaTune: Sample-Efficient DBMS Configuration Tuning 2022 VLDB 6.2396606e-05
4,512 Optimizer Plan Change Management: Improved Stability and Performance in Oracle 11g 2008 VLDB 6.1241619e-05
5,334 LEON: A New Framework for ML-Aided Query Optimization 2023 VLDB 5.5649836e-05
5,640 AutoSteer: Learned Query Optimization for Any SQL Database 2023 VLDB 5.3933314e-05
5,832 Stage: Query Execution Time Prediction in Amazon Redshift 2024 SIGMOD 5.3111109e-05
5,952 Eraser: Eliminating Performance Regression on Learned Query Optimizer 2024 VLDB 5.2591691e-05
6,383 Sample-Efficient Cardinality Estimation Using Geometric Deep Learning 2024 VLDB 5.0884322e-05
6,685 How Good are Learned Cost Models, Really? Insights from Query Optimization Tasks 2025 SIGMOD 4.9627485e-05
6,862 Join Order Selection with Deep Reinforcement Learning: Fundamentals, Techniques, and Challenges 2023 VLDB 4.9051979e-05
6,885 PilotScope: Steering Databases with Machine Learning Drivers 2024 VLDB 4.895386e-05
7,008 Is Your Learned Query Optimizer Behaving As You Expect? A Machine Learning Perspective 2024 VLDB 4.8643538e-05
7,011 Simple Adaptive Query Processing vs. Learned Query Optimizers: Observations and Analysis 2023 VLDB 4.8629458e-05
7,126 Debunking the Myth of Join Ordering: Toward Robust SQL Analytics 2025 SIGMOD 4.8232367e-05
7,753 Rethinking Learned Cost Models: Why Start from Scratch? 2023 SIGMOD 4.660151e-05
8,220 PerfGuard: Deploying ML-for-Systems without Performance Regressions, Almost! 2021 VLDB 4.5557328e-05
8,448 PARQO: Penalty-Aware Robust Plan Selection in Query Optimization 2024 VLDB 4.5100508e-05
8,659 Learned Offline Query Planning via Bayesian Optimization 2025 SIGMOD 4.4722928e-05
8,834 ByteCard: Enhancing ByteDance’s Data Warehouse with Learned Cardinality Estimation 2024 SIGMOD 4.4394021e-05
9,345 LIMAO: A Framework for Lifelong Modular Learned Query Optimization 2025 VLDB 4.3536343e-05
9,587 Low Rank Learning for Offline Query Optimization 2025 SIGMOD 4.3215645e-05
9,693 ROME: Robust Query Optimization via Parallel Multi-Plan Execution 2024 SIGMOD 4.3027391e-05
9,956 SCompression: Enhancing Database Knob Tuning Efficiency Through Slice-Based OLTP Workload Compression 2025 VLDB 4.2373024e-05
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