Tutorvo

Autoscaling: the HPA Formula & Replicas Through the Day (Chart)

Lesson 8 of 816 minLab

This lesson is part of the course

In this lesson

You apply the horizontal autoscaler's scaling formula, plan the orders-api replicas for every two-hour slot of a busy day between a minimum and a maximum, total the replica-hours and chart load against replicas.

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Lessons in this course

  1. CPU Millicores & Memory Units: m, Mi, Gi, M and GLab12 min Locked
  2. Requests vs Limits: Utilisation, Idle Reserve & OvercommitLab14 min Locked
  3. Right-Sizing Requests: p95 Usage × Headroom, Rounded UpLab15 min Locked
  4. Pods per Node: Allocatable Capacity & the Binding ResourceLab14 min Locked
  5. How Many Nodes? Total Requests, DaemonSets, Target Fill & N+1Lab14 min Locked
  6. Bin Packing: First-Fit Placement, Step by StepLab15 min Locked
  7. Cost per Service: Allocating Node Cost by RequestsLab15 min Locked
  8. Autoscaling: the HPA Formula & Replicas Through the Day (Chart)Lab16 min Locked