A quasi-synchronous checkpointing algorithm that prevents contention for stable storage |
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| Authors: | D Manivannan Q Jiang Jianchang Yang M Singhal |
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| Affiliation: | 1. Group of Computer Networks, Software Engineering, and Systems (GREat) Departamento de Engenharia de Teleinformática, Universidade Federal do Ceará, Fortaleza-Brazil;2. Cloud Computing and Distributed Systems (CLOUDS) Laboratory, Department of Computing and Information Systems, The University of Melbourne, Australia |
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| Abstract: | Checkpointing and rollback recovery are established techniques for handling failures in distributed systems. Under synchronous checkpointing, each process involved in the distributed computation takes checkpoint almost simultaneously. This causes contention for network stable storage and hence degrades performance as processes may have to wait for long time for the checkpointing operation to complete. In this paper, we propose a staggered quasi-synchronous checkpointing algorithm which reduces contention for network stable storage without any synchronization overhead. |
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