Event Horizon: Asymmetric Dependencies for Fast Geo-Distributed Operations
Summary: Introduce Semi-Linearizability (SL), a model that encodes asymmetric operation-ordering to avoid unnecessary cross-site coordination in geo-distributed apps. Maps these semantics to coordination primitives so safe uncoordinated operations are possible; DeMon shows ~10k× latency drop on hot RUBiS ops. (summarized by gpt-5-mini on Feb 09 2026)
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Authors
- 1. Jonathan Arns (KTH Royal Institute of Technology)
- 2. Harald Ng (KTH Royal Institute of Technology)
- 3. Kyriakos Psarakis (Ververica GmbH)
- 4. Asterios Katsifodimos (Delft University of Technology)
- 5. Paris Carbone (KTH Royal Institute of Technology)
BibTeX Citation
@inproceedings{arns_cidr26,
address = {Amsterdam, Netherlands},
series = {{CIDR} '26},
title = {{Event Horizon: Asymmetric Dependencies for Fast Geo-Distributed Operations}},
booktitle = {Proceedings of the {Conference} on {Innovative} {Data} {Systems} {Research}},
author = {Arns, Jonathan and Ng, Harald and Psarakis, Kyriakos and Katsifodimos, Asterios and Carbone, Paris},
year = {2026}
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Outgoing Citations (Sorted by Pagerank)
Showing 6 of 6 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 867 | Coordination Avoidance in Database Systems | 2015 | VLDB | 0.00013511197 |
| 5,265 | New Directions in Cloud Programming | 2021 | CIDR | 6.2941668e-05 |
| 6,914 | Keep CALM and CRDT On | 2023 | VLDB | 5.7404469e-05 |
| 7,298 | Interactive Checks for Coordination Avoidance | 2019 | VLDB | 5.6520377e-05 |
| 8,261 | AutoGR: Automated Geo-Replication with Fast System Performance and Preserved Application Semantics | 2021 | VLDB | 5.4574671e-05 |
| 10,782 | Styx: Transactional Stateful Functions on Streaming Dataflows | 2025 | SIGMOD | 5.093636e-05 |
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