Data-driven mixed-Integer linear programming-based optimisation for efficient failure detection in large-scale distributed systems

Btissam Er-Rahmadi, Tiejun Ma

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

Failure detectors (FDs) are fundamental building blocks for distributed systems. An FD detects whether a process has crashed or not based on the reception of heartbeats’ messages sent by this process over a communication channel. A key challenge of FDs is to tune their parameters to achieve optimal performance which satisfies the desired system requirements. This is challenging due to the complexities of large-scale networks. Existing FDs ignore such optimisation and adopt ad-hoc parameters. In this paper, we propose a new Mixed Integer Linear Programming (MILP) optimisation-based FD algorithm. We obtain the MILP formulation via piecewise linearisation relaxations. The MILP involves obtaining optimal FD parameters that meet the optimal trade-off between its performance metrics requirements, network conditions and system parameters. The MILP maximises our FD’s accuracy under bounded failure detection time while considering network and system conditions as constraints. The MILP’s solution represents optimised FD parameters that maximise FD’s expected performance. To adapt to real-time network changes, our proposed MILP-based FD fits the probability distribution of heartbeats’ inter-arrivals. To address our FD scalability challenge in large-scale systems where the MILP model needs to compute approximate optimal solutions quickly, we also propose a heuristic algorithm. To test our proposed approach, we adopt Amazon Cloud as a realistic testing environment and develop a simulator for robustness tests. Our results show consistent improvement of overall FD performance and scalability. To the best of our knowledge, this is the first attempt to combine the MILP-based optimisation modelling with FD to achieve performance guarantees.
Original languageEnglish
Pages (from-to)337-353
Number of pages17
JournalEuropean Journal of Operational Research
Volume303
Issue number1
Early online date8 Feb 2022
DOIs
Publication statusPublished - 8 Jun 2022

Keywords / Materials (for Non-textual outputs)

  • Nonlinear programming
  • Mixed integer linear programming
  • Distributed systems
  • Failure detection
  • Heartbeats

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