A formal model of crash recovery in a distributed system
Concurrency control and reliability in distributed systems
Imposing a Memory Management Discipline on Software Deployment
Proceedings of the 26th International Conference on Software Engineering
Software Deployment, Past, Present and Future
FOSE '07 2007 Future of Software Engineering
NixOS: a purely functional Linux distribution
Proceedings of the 13th ACM SIGPLAN international conference on Functional programming
Software deployment in a dynamic cloud: From device to service orientation in a hospital environment
CLOUD '09 Proceedings of the 2009 ICSE Workshop on Software Engineering Challenges of Cloud Computing
Report on the fourth workshop on hot topics in software upgrades (HotSWUp 2012)
ACM SIGOPS Operating Systems Review
Disnix: A toolset for distributed deployment
Science of Computer Programming
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Upgrading distributed systems is a complex process. It requires installing the right services on the right computer, configuring them correctly, and so on, which is error-prone and tedious. Moreover, since services in a distributed system depend on each other and are updated separately, upgrades typically are not atomic: there is a time window during which some but not all services are updated, and a new version of one service might temporarily talk to an old version of another service. Previously we implemented the Nix package management system, which allows atomic upgrades and rollbacks on single computers. In this paper we show an extension to Nix that enables the deployment of distributed systems on the basis of a declarative deployment model, and supports atomic upgrades of such systems.