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November 17–November 20, 2020
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Thursday, November 19 • 4:50pm - 5:25pm
How the OOM-Killer Deleted My Namespace, and Other Kubernetes Tales - Laurent Bernaille, Datadog

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Running Kubernetes at scale is challenging and you can often end up in situations where you have to debug complex and unexpected issues. This requires understanding in detail how the different components work and interact with each other. Over the last 3 years, Datadog migrated most of its workloads to Kubernetes and now manages dozens of clusters consisting of thousands of nodes each. During this journey, engineers have debugged complex issues with root causes that were sometimes very surprising. In this talk Laurent and Tabitha will share some of these stories, including a favorite: how a complex interaction between familiar Kubernetes components allowed an OOM-killer invocation to trigger the deletion of a namespace.
Speakers
LB

Laurent Bernaille

Staff Engineer, Datadog
Laurent Bernaille worked several years as a consultant specializing in cloud, containers, and automation and helped organizations migrate to the public cloud, adopt containers and improve their deployment pipelines. He is now Staff Engineer at Datadog and works in the Compute team... Read More →

How the oom killer deleted my namespace pdf
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Thursday November 19, 2020 4:50pm - 5:25pm EST
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