Software Engineering Radio - the podcast for professional software developers

SE Radio 591: Yechezkel Rabinovich on Kubernetes Observability

Nov 22, 2023

01:02:14

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Yechezkel Rabinovich, CTO of Groundcover, discusses observability and eBPF in Kubernetes. Topics include the three pillars of observability, extending the Linux Kernel with eBPF, basics of Kubernetes, and how Groundcover uses eBPF in its observability platform.

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Quick takeaways

Observability has three pillars: logging, metrics, and tracing, which provide important insights for troubleshooting and improving application performance.

eBPF enables safer and more efficient kernel extension, running in a virtual machine and allowing tracing, filtering, and modification of kernel functions.

Kubernetes functions as a cloud-native operating system, facilitating the management of containers and microservices, and observability involves monitoring the infrastructure and application planes for overall health and performance.

Deep dives

Observability: The Three Pillars of Data

Observability is commonly understood as having three pillars of data: logging, metrics, and tracing. Logging involves capturing text messages generated by applications, metrics include counters and gauges that measure application performance, and tracing involves recording interactions between services. By effectively querying and understanding these three types of data, developers gain important insights into the state and performance of their applications for troubleshooting and improving security and performance.

Introduction

2min

Implementing Observability and the Power of EBPF

15min

Kubernetes and Microservices: Orchestration, Deployment, and Observability

12min

Understanding Service Level Objectives and Metrics

3min

Understanding Kubernetes Events for Troubleshooting

7min

Introduction and Development of Ground Cover

16min

Challenges of Observing Serverless Applications in Kubernetes and Groundcover Setup

3min

Exploring Golden Signals and the Future of eBPF

4min

Yeckezkel Rabinovich, CTO of Groundcover, speaks with host Philip Winston about observability and eBPF as it applies to Kubernetes. Rabinovich was previously the chief architect at the healthcare security company CyberMDX and spent eight years in the cyber security division of the Israeli Prime Minister’s Office. This episode explores the three pillars of observability, extending the Linux Kernel with eBPF, the basics of Kubernetes, and how Groundcover uses eBPF as the basis for its observability platform.

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