iQCAR: inter-Query Contention Analyzer for Data Analytics Frameworks
Summary: iQCAR attributes query slowdowns to concurrent queries in analytics frameworks. It builds a multi-level DAG of resource conflicts for online time-window analysis, pinpointing the most contentious queries, resources, and hosts with higher accuracy than overlap-based baselines. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Prajakta Kalmegh (Duke University)
- 2. Shivnath Babu (Unravel Data Systems)
- 3. Sudeepa Roy (Duke University)
BibTeX Citation
@inproceedings{kalmegh_sigmod19,
title = {{iQCAR: inter-Query Contention Analyzer for Data Analytics Frameworks}},
author = {Kalmegh, Prajakta and Babu, Shivnath and Roy, Sudeepa},
series = {{SIGMOD} '19},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/3299869.3319904},
url = {https://dl.acm.org/doi/10.1145/3299869.3319904},
year = {2019}
}Incoming Citations (Sorted by Pagerank)
Showing 5 of 5 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 1,658 | D-Bot: Database Diagnosis System using Large Language Models | 2024 | VLDB | 9.9642078e-05 |
| 3,682 | openGauss: An Autonomous Database System | 2021 | VLDB | 7.1013922e-05 |
| 5,077 | DBPA: A Benchmark for Transactional Database Performance Anomalies | 2023 | SIGMOD | 6.2858696e-05 |
| 6,699 | Toward Interpretable and Actionable Data Analysis with Explanations and Causality | 2022 | VLDB | 5.7058728e-05 |
| 10,716 | DBAIOps: A Reasoning LLM-Enhanced Database Operation and Maintenance System using Knowledge Graphs | 2026 | VLDB | 4.9793485e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 7 of 7 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 78 | Automatic Database Management System Tuning Through Large-scale Machine Learning | 2017 | SIGMOD | 0.00036684414 |
| 598 | Automatic Performance Diagnosis and Tuning in Oracle | 2005 | CIDR | 0.00015761263 |
| 782 | DBSherlock: A Performance Diagnostic Tool for Transactional Databases | 2016 | SIGMOD | 0.00014022168 |
| 940 | Starfish: A Self-tuning System for Big Data Analytics | 2011 | CIDR | 0.00012964445 |
| 1,708 | PerfXplain: Debugging MapReduce Job Performance | 2012 | VLDB | 9.8224587e-05 |
| 5,033 | Why Did My Query Slow Down? | 2009 | CIDR | 6.3049311e-05 |
| 10,114 | iQCAR: A Demonstration of an Inter-Query Contention Analyzer for Cluster Computing Frameworks | 2018 | SIGMOD | 5.0789354e-05 |
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| 9 | 629 | Performance Prediction for Concurrent Database Workloads | 2011 | SIGMOD |
| 10 | 10,114 | iQCAR: A Demonstration of an Inter-Query Contention Analyzer for Cluster Computing Frameworks | 2018 | SIGMOD |