ORIGINAL RESEARCH article
Front. Comput. Sci.
Sec. Software
Volume 7 - 2025 | doi: 10.3389/fcomp.2025.1511161
This article is part of the Research TopicComputer Technology and Sustainable FuturesView all 4 articles
Distributed caching system with strong consistency model
Provisionally accepted
- Tomsk State University of Control Systems and Radio-electronics, Tomsk, Russia
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Modern distributed systems store thousands of gigabytes of information in persistent relational database management systems. It is the core storage component for microservice-based architectures. Due to the peculiarities of internal storage mechanisms, the total query processing time may exceed the service level agreement value. A common solution is to add a caching layer between the database management system and the service. However, maintaining the cache in a consistent state across all service replicas is a challenging task. We believe we can design a caching system with a consensus algorithm to meet modern service level agreement requirements. Firstly, we outline the role of caching in a distributed systems context. Secondly, we clarify our consistency model choice. Thirdly, we analyze existing distributed systems and their consistency guarantees to outline the absence of a solution that can fit our requirements. Finally, we develop the architecture of the caching system.
Keywords: caching, distributed systems, linearizability, Data consistency, fault tolerance, software architecture, distributed caching, Eviction policies
Received: 14 Oct 2024; Accepted: 12 May 2025.
Copyright: © 2025 Repin and Sidorov. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Anatoly Sidorov, Tomsk State University of Control Systems and Radio-electronics, Tomsk, Russia
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