Computer Science ›› 2018, Vol. 45 ›› Issue (6): 72-75.doi: 10.11896/j.issn.1002-137X.2018.06.012

• WISA2024 • Previous Articles     Next Articles

Marine Monitoring Data Replica Layout Strategy Based on Multiple Attribute Optimization

HUANG Dong-mei1, DU Yan-ling1,2, HE Qi1, SUI Hong-yun1, LI Yao1   

  1. College of Information Technology,Shanghai Ocean University,Shanghai 201306,China1;
    East China Sea Marine Forecast Center of State Oceanic Administration,Shanghai 200136,China2
  • Received:2017-03-11 Online:2018-06-15 Published:2018-07-24

Abstract: The integrity and reliability of data are the key to ensure its efficient access.Especially in the cloud storage environment,data replication strategy is the core of the system performance and the availability of data.For a data replica layout,this paper put forward a data replica layout strategy based on multiple attribute optimization (MAO-DRLS).According to the heat of data access and the key attributes of storage node,it sets the number of replicas for each dynamic data,and chooses the appropriate node to distribute the replicas.The experiments show that the MAO-DRLS strategy can effectively improve theutilization rate of data replicas and shorten the system response time.

Key words: Data layout, Data replica, Marine monitoring data, Multiple attribute optimization

CLC Number: 

  • TP311.13
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