Minha: Large-scale distributed systems testing made practical

dc.contributor.author Machado,N en
dc.contributor.author Pereira,J en
dc.contributor.author Fábio André Coelho en
dc.contributor.author Neves,F en
dc.contributor.author Maia,F en
dc.contributor.other 6059 en
dc.date.accessioned 2020-04-17T11:18:41Z
dc.date.available 2020-04-17T11:18:41Z
dc.date.issued 2020 en
dc.description.abstract Testing large-scale distributed system software is still far from practical as the sheer scale needed and the inherent non-determinism make it very expensive to deploy and use realistically large environments, even with cloud computing and state-of-the-art automation. Moreover, observing global states without disturbing the system under test is itself difficult. This is particularly troubling as the gap between distributed algorithms and their implementations can easily introduce subtle bugs that are disclosed only with suitably large scale tests. We address this challenge with Minha, a framework that virtualizes multiple JVM instances in a single JVM, thus simulating a distributed environment where each host runs on a separate machine, accessing dedicated network and CPU resources. The key contributions are the ability to run off-the-shelf concurrent and distributed JVM bytecode programs while at the same time scaling up to thousands of virtual nodes; and enabling global observation within standard software testing frameworks. Our experiments with two distributed systems show the usefulness of Minha in disclosing errors, evaluating global properties, and in scaling tests orders of magnitude with the same hardware resources. © Nuno Machado, Francisco Maia, Francisco Neves, Fábio Coelho, and José Pereira; licensed under Creative Commons License CC-BY 23rd International Conference on Principles of Distributed Systems (OPODIS 2019). en
dc.identifier.uri http://repositorio.inesctec.pt/handle/123456789/11063
dc.identifier.uri http://dx.doi.org/10.4230/lipics.opodis.2019.11 en
dc.language eng en
dc.rights info:eu-repo/semantics/openAccess en
dc.title Minha: Large-scale distributed systems testing made practical en
dc.type Publication en
dc.type conferenceObject en
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