Why control of the concurrency level in distributed systems is more fundamental than deadlock management

  • Authors:
  • R. Balter;P. Berard;P. Decitre

  • Affiliations:
  • -;-;-

  • Venue:
  • PODC '82 Proceedings of the first ACM SIGACT-SIGOPS symposium on Principles of distributed computing
  • Year:
  • 1982

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Abstract

Over the past years, stress has been put on global deadlock processing in distributed database management systems. This paper presents the main results of evaluation studies which were intended to provide clues for the choice of a concurrency control mechanism for the SCOT project. The relationship between deadlock management algorithm and concurrency level is exhibited. Their respective influence on system performance is studied in the light of simulations of several concurrency control techniques. A good algorithm for concurrency control is that which controls the concurrency level while solving, as a side effect, the deadlock question.