Runtime virtual resource dynamic allocation method and system based on feedforward and feedback control
A technology of virtual resources and feedback control, applied in the field of software engineering, can solve the problems of ignoring the heterogeneity of virtual resources and low overall utilization of virtual resources, and achieve the effect of optimal configuration
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[0032] This section gives a specific implementation based on OpenStack. We built a cloud platform using OpenStack Folsom, and configured a total of 20 virtual resources. Each virtual resource is allocated 512M memory and 1 virtual CPU, installed operating system Ubuntu 12.04, database MySQL 5.5.31, and web server Tomcat 6.0.35, and deployed an order review system. In addition, Nginx 1.1.19 is deployed on a virtual resource in the cloud as a reverse proxy server, which is responsible for distributing the load to the corresponding virtual resource in a certain proportion.
[0033] The main usage process based on this implementation is:
[0034] (1) During design, deploy the order review application system on 1 to 5 virtual resources, use the stress testing tool JMeter 2.6 to simulate the number of concurrent visitors, and determine the maximum number of visitors that the system can withstand under the condition of a given number of resources , the disturbance compensation func...
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