Name: The Key Value of etcd Over Custom Resources: Scalability - Jef Spaleta, Isovalent at Cisco
Start: 2024-11-15T14:55:00-0700
End: 2024-11-15T15:30:00-0700

In-person
November 12-15
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Friday November 15, 2024 2:55pm - 3:30pm MST

Salt Palace | Level 1 | 155 B

Cilium defaults to using Kubernetes Custom Resources to hold Cilium specific internal state, however when the cluster is large enough, the Kubernetes API becomes a bottleneck on performance. To scale a cluster to hundreds of nodes, Cilium can be configured to use a dedicated external etcd instance. This talk will discuss the details of what the external etcd looks like from an operator perspective, and explore why Cilium uses an external etcd for enhanced scalability. It will cover how to manage a cluster by bypassing the Kubernetes API and interacting only with the cluster's etcd key-value store - and also why it might be a bad idea. Get a taste of what's possible by bypassing the Kubernetes API and interacting with the etcd API directly, and learn why Cilium has an option to use a dedicated etcd deployment, not shared by the Kubernetes API, for holding Cilium state and the scalability benefits it can bring to your cluster.

Speakers

Jef Spaleta

Technical Community Advocate, Isovalent at Cisco

Jef Spaleta has more than a decade of experience in the technology industry; as software engineer, open source contributor, IoT hardware developer, operations, and most recently as a community advocate at Isovalent.

Friday November 15, 2024 2:55pm - 3:30pm MST
Salt Palace | Level 1 | 155 B

Operations + Performance

Content Experience Level Any

KubeCon + CloudNativeCon North America 2024

Jef Spaleta

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