zab Archives - Digi Hunch

Etcd – the key-value store for Kubernetes

February 26, 2023June 14, 2022 by Digi Hunch

Etcd in Kubernetes In Kubernetes architecture, etcd is the data store. It stores the desired state of Kubernetes object. API server is the only client that connects to etcd (via gRPC protocol). Cluster builder specifies the endpoint of etcd as a parameter to the kube-api-server process. Other Kubernetes components, whether in the control plane or … Read moreEtcd – the key-value store for Kubernetes

Zookeeper Summary

January 3, 2023August 26, 2020 by Digi Hunch

Distributed systems Distributed system involves independent computing entities linked together by network. The components communicate and coordinate with each other to achieve a common goal. In early days, designers and developers often had made some assumptions (aka. fallacies) of distributed computing: These fallacies make coordinating distributed computing entities a huge challenge and Zookeeper is introduced … Read moreZookeeper Summary