October 31 - November 1 - Co-Located Events
October 28-30 - Conference
Lyon Convention Centre - Lyon, France
More information for Open Source Summit + Embedded Linux Conference Europe 2019
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Wednesday, October 30 • 16:15 - 16:50
How Kubernetes Scheduler Works - Himani Agrawal, GOJEK

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A Kubernetes cluster runs pods on multiple machines. These pods may run a variety of workloads. The kind of apps run on these pods are also quite varied. It could be as simple as a webapp, or a complex machine learning model. It is super important that the pods for such workloads run on the worker nodes best suited for it. This job is taken care of by the scheduler.

The scheduler takes into account individual and collective resource requirements, quality of service requirements, hardware/software/policy constraints, affinity and anti-affinity specifications, data locality, inter-workload interference, deadlines, and so on. A scheduler significantly impacts availability, performance, and capacity of the cluster.

In this talk Himani and Iqbal will dive deeper into the internals of a typical Kubernetes scheduler and discuss how it actually works. They will discuss how the scheduler looks at various available resources and narrows down on a machine on which a pod can be scheduled.

avatar for Himani Agrawal

Himani Agrawal

Product Engineer, Gojek
Himani is a computer science graduate from Delhi University, currently working with GOJEK as System Engineer. At GOJEK, she is contributing to building GOJEK’s own datacenter in Jakarta and is involved in various initiatives related to containers and Kubernetes within the company... Read More →

Wednesday October 30, 2019 16:15 - 16:50
  • Session Slides Included Yes