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Benchmarking Distributed Database Performance and Dependability under Partial System Failures

  • Bes, Ruben (author)
Publication Date
Apr 14, 2021
TU Delft Repository
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Many types of database management systems exist, but finding the one that is right for a specific use case is becoming increasingly more difficult. Benchmarks allow one to compare various systems, but in a world where distributed DBMSs are increasingly used for mission critical purposes, we find most existing benchmarks neglect fault tolerance and dependability aspects. In this Master’s Thesis, we design a modular and highly extensible framework capable of introducing partial system failures in a distributed database deployment. We also implement a proof-of-concept version of our framework which we use to evaluate the performance of a CockroachDB cluster deployed through Kubernetes, by running the TPC-C benchmark while we inject faults and measure changes in performance. Using this proof-of-concept implementation we demonstrate the faults our system can introduce and find that the impact of our high-level node failures is strongly dependent on the time a node has to perform a graceful shutdown and notify its peers or connected clients. / Computer Science | Data Science and Technology

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