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October 24-26, 2018 - Edinburgh, Scotland, UK
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Thursday, October 25 • 15:45 - 16:15
CloudAtlas: Ways to Make Live Migration Safe and Expectable - Chao Zhang & Feng Xie, Alibaba Cloud

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The public cloud users, especially enterprise users, are increasingly concerned about the stability of the infrastructure provided, therefore the performance impact of the live migration itself can no longer be ignored. In order to perform migration, the following needs to be considered: 1)How to classify the workload and evaluate the performance impact. 2)When should we migrate to reduce the impact to a minimum. 3)How to select params of the migration to balance the resource consumption and migrate speed. The ClouAtlas we build rely on KVM hypervisor to collect data like CPU usage, memory/TLB access and IO. Based on a statistical model and Deep Learning Algorithm, we classify the workload of the VM, and predict proper time to perform migration. After tens of thousands of tests, our system shows an obvious alleviation of the migration impact and a boost of the migration performance.


Feng Xie

technical expert, Alibaba Cloud
Feng has been working on virtualization since 2012. He's worked on several areas such as GPU virtualizaton and ARM virtualization. Now Feng is employed by Alibaba Cloud, and is focus on Artificial Intelligence Operation and Maintenance based on Machine Learning.

Chao Zhang

technical expert, Alibaba Cloud
Chao, as a initiated participant of the Live migration team at Alibaba Cloud, has completely witnessed how this technology implanted itself into the Ali-Cloud system along a tough way. Before join Alibaba, Chao is a kernel developer engineer working at Huawei EulerLinux team for... Read More →

Thursday October 25, 2018 15:45 - 16:15 BST
Sidlaw Auditorium