Research On Application-Oriented Lightweight Virtualization High Availability Technology

With the rapid development of science and technology,cloud computing plays an increasingly large role in people's daily lives,and as a support technology of cloud computing,the importance of virtualization technology is increasing.In cloud-based services,the service provider does not disclose the scheduling details of the computing resources to the users,but only needs to provide flexible and reliable services to the users.Therefore,how to ensure the high availability of cloud computing services is a key technology point in cloud computing.As a new virtualization technology,container technology has received extensive attention in the industry in recent two years.Excellent virtualization performance and simple scheduling make the research of container technology more and more.However,as a new virtualization technology,Container technology can not compare to virtual machines in many aspects of technology,high-availability technology is a key technology in these.In this paper,for the high availability of container technology,from the technical point of hot backup technology to analyze the container itself and the characteristics of container applications,and compared the difference and the advantages between the container technology and virtual machines in high availability,the last combination of traditional hot backup technology and virtual machine hot backup technology,given the container platform for a two-machine hot standby high availability program.In the scheme proposed in this paper,the characteristics of the container are analyzed in detail from the aspects of container condition monitoring,container data synchronization and container failover.Based on the advantages of container technology,the design ideas of the three modules are given.At the end of this paper,the module design method proposed in the paper is used to realize the component tool of the hot backup for container technology in this paper.The design results are analyzed from data synchronization time,CPU performance overhead and failover time.The test results are given to verify the effectiveness and performance of the proposed scheme.