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56 lines
1.9 KiB
YAML
56 lines
1.9 KiB
YAML
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# Priority classes
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#
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# These values allow us to assign importance to pods so that the scheduler can
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# appropriately preempt low priority pods when a higher priority pod is pending
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# scheduling.
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#
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# Example:
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# 1) Running a tool to query production data for one-off analysis: best-effort-priority.
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# This tool is not mission critical and should not use resources that are
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# necessary for production applications
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#
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# 2) A long running cron job that encodes data with a large SLO window. This
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# would be ideal for a batch-priority job since would be acceptable for
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# temporary evictions if high priority jobs need to scale.
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#
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# 3) User facing application services. This type of work falls under the default
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# priority: production-priority. This is suitable for anything that cannot
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# tolerate eviction or user experience will suffer.
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#
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# 4) A job that alerts when mission critical containers are offline. This type
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# of job should have a very high priority and never be evicted. This is
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# considered the monitoring-priority and should be used sparingly.
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#
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# See: https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/
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apiVersion: scheduling.k8s.io/v1beta1
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kind: PriorityClass
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metadata:
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name: best-effort-priority
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value: 0
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globalDefault: false
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description: "Free quota tier. Unlikely to stay scheduled."
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---
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apiVersion: scheduling.k8s.io/v1beta1
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kind: PriorityClass
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metadata:
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name: batch-priority
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value: 100
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globalDefault: false
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description: "Suitible for batch jobs that can tolerate occasional downtime."
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---
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apiVersion: scheduling.k8s.io/v1beta1
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kind: PriorityClass
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metadata:
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name: production-priority
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value: 200
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globalDefault: true
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description: "Default priority for production jobs."
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---
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apiVersion: scheduling.k8s.io/v1beta1
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kind: PriorityClass
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metadata:
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name: monitoring-priority
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value: 300
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globalDefault: false
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description: "Reserved for monitoring health of production services."
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