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<!-- overview -->
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- The Horizontal Pod Autoscaler automatically scales the number of pods
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+ The Horizontal Pod Autoscaler automatically scales the number of Pods
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in a replication controller, deployment, replica set or stateful set based on observed CPU utilization (or, with
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[ custom metrics] ( https://git.k8s.io/community/contributors/design-proposals/instrumentation/custom-metrics-api.md )
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support, on some other application-provided metrics). Note that Horizontal
@@ -45,16 +45,16 @@ obtains the metrics from either the resource metrics API (for per-pod resource m
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or the custom metrics API (for all other metrics).
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* For per-pod resource metrics (like CPU), the controller fetches the metrics
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- from the resource metrics API for each pod targeted by the HorizontalPodAutoscaler.
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+ from the resource metrics API for each Pod targeted by the HorizontalPodAutoscaler.
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Then, if a target utilization value is set, the controller calculates the utilization
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value as a percentage of the equivalent resource request on the containers in
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- each pod . If a target raw value is set, the raw metric values are used directly.
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+ each Pod . If a target raw value is set, the raw metric values are used directly.
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The controller then takes the mean of the utilization or the raw value (depending on the type
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- of target specified) across all targeted pods , and produces a ratio used to scale
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+ of target specified) across all targeted Pods , and produces a ratio used to scale
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the number of desired replicas.
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- Please note that if some of the pod 's containers do not have the relevant resource request set,
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- CPU utilization for the pod will not be defined and the autoscaler will
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+ Please note that if some of the Pod 's containers do not have the relevant resource request set,
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+ CPU utilization for the Pod will not be defined and the autoscaler will
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not take any action for that metric. See the [ algorithm
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details] ( #algorithm-details ) section below for more information about
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how the autoscaling algorithm works.
@@ -65,7 +65,7 @@ or the custom metrics API (for all other metrics).
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* For object metrics and external metrics, a single metric is fetched, which describes
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the object in question. This metric is compared to the target
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value, to produce a ratio as above. In the ` autoscaling/v2beta2 ` API
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- version, this value can optionally be divided by the number of pods before the
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+ version, this value can optionally be divided by the number of Pods before the
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comparison is made.
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The HorizontalPodAutoscaler normally fetches metrics from a series of aggregated APIs (` metrics.k8s.io ` ,
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