Name: Automated Multi-Cloud Blue-Green Cluster Rotations: Zero Downtime Upgrades at Scale - Sourav Khandelwal, Databricks
Start: 2024-11-13T12:10:00-0700
End: 2024-11-13T12:45:00-0700

In-person
November 12-15
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Wednesday November 13, 2024 12:10pm - 12:45pm MST

Salt Palace | Level 1 | Grand Ballroom BDF

I will present the system developed for cluster rotations across Databricks’ fleet of over a thousand cloud-managed k8s clusters on AWS, Azure, and GCP. Blue-green cluster rotations, or cluster swaps (upgrading by creating a new k8s cluster with a new version/configuration & shifting workloads from the old cluster), allow us to implement major infrastructure changes and upgrade k8s versions with low risk through staged rollouts, seamless rollbacks, zero downtime, and minimal operator intervention. Our system includes a k8s-style continuous reconciliation mechanism to manage cluster swap lifecycles, a fast and reliable cluster state change discovery system, and a k8s workload migration system. We will share methodologies and experiences in constructing this loosely coupled system that orchestrates product workloads and cloud provider APIs for automated cluster swaps. This session will explore the challenges faced, and the benefits of automating large-scale, multi-cloud k8s upgrades.

Speakers

Sourav Khandelwal

Sr. Software Engineer, Databricks

I am a seasoned software engineer with over 10 years of experience in designing and managing large-scale platforms in cloud-native environments. At Databricks, my significant contributions have been pivotal in launching our next-generation cloud infrastructure that helped to transition... Read More →

Wednesday November 13, 2024 12:10pm - 12:45pm MST
Salt Palace | Level 1 | Grand Ballroom BDF

Platform Engineering

Content Experience Level Intermediate

KubeCon + CloudNativeCon North America 2024

Sourav Khandelwal

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