Cloud Native News - CNN46

Last week the KubeCon/CloudNativeCon North America Virtual happened, here is a summary of the announcements and publications from this exciting week:

Networking

  • iptables: How Kubernetes Services Direct Traffic to Pods
    The third part of the Kubernetes tackles how Kubernetes’s kube-proxy component uses iptables to direct service traffic to pods randomly. The previous parts of this network series give a deep insights on how Kubernetes creates IP addresses and publishes port.

Cloud-Native Industry

Containers & Orchestration

  • awslabs/karpenter
    Meet this new early stage, an experimental project from awslabs. Karpenter is a metrics-driven autoscaler built for Kubernetes and can run in any Kubernetes cluster anywhere. It's performant, extensible, and can autoscale anything that implements the Kubernetes scale subresource.

Observability

  • Kubernetes Service Level Objectives (SLOs) with Prometheus and Linkerd
    SLOs are a way for application developers and SRE teams to explicitly capture the risk tolerance for their application, by defining what level of failure is acceptable. Utilizing Linkerd gives you the possibility to provide consistent metrics for the things you want to measure.