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August 17–August 20, 2020
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Tuesday, August 18 • 13:45 - 14:20
Autoscaling at Scale: How We Manage Capacity @ Zalando - Mikkel Larsen, Zalando SE

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As of October 2019 Zalando has ~140 Kubernetes clusters varying in size from 5 to 400 nodes. This talk goes over how different applications both stateful and stateless are autoscaled using the HPA(Horizontal Pod Autoscaler) and VPA(Vertical Pod Autoscaler) and also the cluster using the Cluster Autoscaler. More specifically the talk explains the limitations and workarounds to each of these scaling strategies and also the techniques used to monitor so that applications always have sufficient capacity. It also discusses common pitfalls while scaling with these controllers and finally concludes with proposed enhancements to these controllers which would make autoscaling more reliable and efficient.

avatar for Mikkel Larsen

Mikkel Larsen

Senior Software Engineer, Zalando SE
Mikkel is a Senior Software Engineer working at Europe's leading online Fashion platform, Zalando since 2016. He works in the Cloud Infrastructure team focusing on Kubernetes and AWS infrastructure and has a big interest in Continuous Delivery and automation.

Tuesday August 18, 2020 13:45 - 14:20 CEST
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