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defaults.replicas

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Number of copies. An integer fixes the count; an object enables autoscaling.

  • Type: integer or object
  • Since: manifest v1

Accepted forms

  • integer
  • object: the full form, with the fields below

Example

Section titled “Example”
defaults:
  replicas: 2
defaults:
  replicas:
    min: 2
    max: 6
    scale_on:
      cpu: 70%

Fields

Section titled “Fields”

min

Section titled “min”

defaults.replicas.min

Fewest replicas. 0 allows scaling to zero.

  • Type: integer
  • Default: 1
  • Range: 0 to 20
  • Since: manifest v1
defaults:
  replicas:
    min: 2

max

Section titled “max”

defaults.replicas.max

Most replicas.

  • Type: integer
  • Range: 1 to 20
  • Since: manifest v1
defaults:
  replicas:
    max: 6

scale_on

Section titled “scale_on”

defaults.replicas.scale_on

Targets for horizontal autoscaling between min and max.

  • Type: object
  • Since: manifest v1
defaults:
  replicas:
    scale_on:
      cpu: 70%
      concurrency: 80

cpu

Section titled “cpu”

defaults.replicas.scale_on.cpu

Average CPU use, as a percentage of the limit.

defaults:
  replicas:
    scale_on:
      cpu: 70%

memory

Section titled “memory”

defaults.replicas.scale_on.memory

Average memory use, as a percentage of the limit.

defaults:
  replicas:
    scale_on:
      memory: 80%

concurrency

Section titled “concurrency”

defaults.replicas.scale_on.concurrency

In-flight requests per replica, measured at the edge.

  • Type: integer
  • Range: 1 to …
  • Since: manifest v1
defaults:
  replicas:
    scale_on:
      concurrency: 80

See also

Section titled “See also”