Fugue: Online Elasticity for Distributed Stateful Stream Processing
Summary: Fugue enables self-contained reactive elasticity for stateful stream processing via background state transfer and lightweight barrier-based cutover. Integrated with Flink’s exactly-once protocol, it cuts migration latency by up to 98.6% while retaining >90% throughput without replication overhead. (summarized by gpt-5.6-luna on Aug 28 2026)
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Authors
- 1. Yuqiu Zhang (Confluent)
- 2. Yunhao Mao (University of Toronto)
- 3. Hans-Arno Jacobsen (University of Toronto)
BibTeX Citation
@article{zhang_vldb26,
title = {{Fugue: Online Elasticity for Distributed Stateful Stream Processing}},
author = {Zhang, Yuqiu and Mao, Yunhao and Jacobsen, Hans-Arno},
journal = {PVLDB},
series = {{VLDB} '26},
volume = {19},
number = {11},
pages = {3288--3301},
doi = {10.14778/3836663.3836689},
url = {https://doi.org/10.14778/3836663.3836689},
year = {2026}
}
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