在Kubernetes生产环境中的容器实时迁移 | KC23

Container Live Migration in Kubernetes Production Environment - Yenan Lang and Hua Liu, Tencent

在Kubernetes生产环境中的容器实时迁移 | Container Live Migration in Kubernetes Production Environment - Yenan Lang and Hua Liu, Tencent

这个演讲描述了一种容器实时迁移技术，它不需要对Kubernetes进行修改，并与不同版本的Kubernetes兼容。它已经在腾讯的大规模应用中成功实施。容器实时迁移是一项技术，允许将正在运行的容器透明地迁移到其他节点。关于这项技术的讨论始于Kubernetes 1.0发布之前。由于这个主题的复杂性，讨论尚未产生明确的结论。近年来，随着CRIU、runc和containerd等技术的发展，容器实时迁移逐渐变得可能。然而，将实时迁移整合到庞大的Kubernetes生态系统中仍然是一个挑战，特别是涉及容器网络和实时迁移性能方面。在这个演讲中，我们将介绍在腾讯内部实施实时迁移技术的经验。

This presentation describes a container live migration technology that does not require modifications to Kubernetes and is compatible with different versions of Kubernetes. It has been successfully implemented at scale within Tencent.

Container live migration is a technology that allows running containers to be transparently migrated to other nodes. Discussions about this technology in the community started before the release of Kubernetes 1.0. Due to the complexity of the topic, the discussions have not produced definitive conclusions yet.

In recent years, with the development of technologies such as CRIU, runc, and containerd, container live migration has gradually become possible. However, integrating live migration into the vast ecosystem of Kubernetes remains a challenge, particularly with regards to container networking and live migration performance.

In this presentation, we will introduce the experience of implementing live migration technology within Tencent.

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