Blog: Kubernetes 1.27: Quality-of-Service for Memory Resources (alpha)

Authors: Dixita Narang (Google) Kubernetes v1.27, released in April 2023, introduced changes to Memory QoS (alpha) to improve memory management capabilites in Linux nodes. Support for Memory QoS was initially added in Kubernetes v1.22, and later some limitations around the formula for calculating memory.high were identified. These limitations are addressed in Kubernetes v1.27. Background Kubernetes […]

Blog: Kubernetes 1.27: HorizontalPodAutoscaler ContainerResource type metric moves to beta

Author: Kensei Nakada (Mercari) Kubernetes 1.20 introduced the ContainerResource type metric in HorizontalPodAutoscaler (HPA). In Kubernetes 1.27, this feature moves to beta and the corresponding feature gate (HPAContainerMetrics) gets enabled by default. What is the ContainerResource type metric The ContainerResource type metric allows us to configure the autoscaling based on resource usage of individual containers. […]