The Challenge of OpenStack Performance Optimization for 800 Nodes in Singe Region

The Openstack is becoming more mature in the last few years, but it is still a huge challenge in the scalability, e.g. managing more than 1,000 nodes in the singe region. Generally speaking, the Openstack manages 200-300 nodes in the single region for the routine scenario, because of the performance limitation of some of the main centralized components, a.k.a. rabbitmq, mysql, keystone and haproxy. As the conclusion of test, we found the Opentack has been becoming more and more unstable while th

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