Implementation and optimization of a distributed consistency algorithm based on Paxos

ZHU Chao-fan; GUO Jin-wei; CAI Peng

doi:10.3969/j.issn.1000-5641.2019.05.014

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Dec. 2019

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ZHU Chao-fan, GUO Jin-wei, CAI Peng. Implementation and optimization of a distributed consistency algorithm based on Paxos[J]. Journal of East China Normal University (Natural Sciences), 2019, (5): 168-177. doi: 10.3969/j.issn.1000-5641.2019.05.014

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ZHU Chao-fan, GUO Jin-wei, CAI Peng. Implementation and optimization of a distributed consistency algorithm based on Paxos[J]. Journal of East China Normal University (Natural Sciences), 2019, (5): 168-177. doi: 10.3969/j.issn.1000-5641.2019.05.014

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Implementation and optimization of a distributed consistency algorithm based on Paxos

doi: 10.3969/j.issn.1000-5641.2019.05.014

School of Data Science and Engineering, East China Normal University, Shanghai 200062, China

Received Date: 2019-07-28
Publish Date: 2019-09-25

Abstract

Abstract

With the ongoing development of the Internet, the degree of informationization in enterprises is continuously increasing, and more and more data needs to be processed in a timely manner. In this context, the instability of network environments may lead to data loss and node downtime, which can have potentially serious consequences. Therefore, building distributed fault-tolerant storage systems is becoming increasingly popular. In order to ensure high availability and consistency across the system, a distributed consistency algorithm needs to be introduced. To improve the performance of unstable networks, traditional distributed systems based on Paxos allow for the existence of holes in the log. However, when a node enters a recovery state, these systems typically require a large amount of network interaction to complete the holes in the log; this greatly increases the time for node recovery and thereby affects system availability. To address the complexity of the node recovery process after completing a hole log, this paper proposes a redesigned log entry structure and optimized data recovery process. The effectiveness of the improved Paxos-based consistency algorithm is verified with experimental simulation.
- distributed storage systems,
- consistency,
- log replication,
- node recovery

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References(22)

References

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