#008 - Kubernetes for Humans Podcast with Alexandru Dejanu (Systematic)
Oct 18, 2023
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Senior Systems Engineer Alexandru Dejanu discusses transitioning to Kubernetes from Cloud Foundry, challenges of platform engineering, dynamic workloads, resource limits, SREs, and monitoring tools like Prometheus. The conversation also touches on managing Kubernetes clusters, evolving trends, expressing business logic through Custom Resource Definitions, and community-building initiatives.
Transition from Cloud Foundry to Kubernetes enabled customization and open-source flexibility.
Importance of monitoring platforms like Prometheus and Grafana in orchestrating efficient incident response.
Deep dives
Transition from Development to Operations and Encounter with Kubernetes
The speaker discusses their transition from development to operations, highlighting the evolution of deployment processes from simple binary deployment to more complex setups involving multiple technologies. They reflect on their experience with Cloud Foundry and the shift towards building in-house tooling for deployment. The emergence of Kubernetes as an industry standard is emphasized as a pivotal moment that led to migrating from Cloud Foundry to Kubernetes due to its open-source nature and customization capabilities.
Platform Engineering and Adoption of Kubernetes
The conversation delves into the challenges of platform engineering and the decision to adopt Kubernetes over other orchestrators or platforms like Cloud Foundry and Apache Mesos. The critical factor for choosing Kubernetes was the need for people with existing expertise and the flexibility to customize the platform to suit specific business requirements. The speaker highlights the importance of training personnel and the shift towards open-source solutions for platform building.
Monitoring, Observability, and Ownership of Dashboards
The discussion extends to monitoring and observability, emphasizing the significance of observability platforms like Prometheus and Grafana. The challenges of monitoring distributed architectures and microservices are addressed, alongside the complexity of creating effective dashboards. The ownership of monitoring within organizations is explored, with a mix of developers and SREs involved in dashboard creation, and the importance of establishing monitoring best practices for efficient incident response.
Jack of all trades master of None. Alexandru Dejanu is a Senior Systems Engineer with 8 years of experience in various domains such as Automotive, Telecom, Banking, and Healthcare. Currently, he works as an SRE at Systematic, part of the Customer Operations team, helping both development and operation teams to have full visibility of the complete application lifecycle. Opinionated and tech agnostic, loves helping others and sharing knowledge be it on StackOverflow, HackerNoon, or Medium.
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