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Conference: KubeCon + CloudNativeCon North America 2022
Authors: Wei Huang, Alex Wang, Kante Yin, Kensei Nakada
2022-10-28
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The presentation discusses the Kubernetes scheduler and its policies for scheduling tasks on nodes. It emphasizes the importance of following priority rules and using labels and tolerations to control policies.
- The Kubernetes scheduler is responsible for assigning tasks to nodes based on priority rules.
- Priority rules should be followed to ensure efficient scheduling.
- Labels and tolerations can be used to control policies and restrictions on nodes.
- The presentation also discusses the development of the scheduler and the importance of collaboration between different groups.
Conference: KubeCon + CloudNativeCon North America 2021
Authors: Wei Huang
2021-10-15
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Tips for optimizing Kubernetes scheduling throughput and customization
- Adjust the percentage of nodes to score based on cluster size
- Iterate a few nodes instead of all of them in the default preemption plugin
- Use the prefer nominated node feature to save time in scheduling
- Customize the parallelism parameter to optimize performance
- Model customer resources as extended resources to schedule GPU-intensive workloads
- Use multi-profile scheduling to specify different scheduling policies for different workloads
- Simplify scheduled configuration with a multi-point plugin