⎈ Cap or no cap, 1000 TPS with 4vCPU/16GB?, Reclaiming Idle GPUs, Inside Kubernetes Scheduler, How We Saved 1.22m annually

This newsletter is brought to you by LearnKube — get started on your Kubernetes journey through comprehensive online, in-person, or remote training.

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📚 Articles

1. Can a Simple 4-Core, 16 GB RAM Machine Reach 1000 TPS?

2. Cap or no cap

3. Reclaiming Idle GPUs in Kubernetes: A Practical Approach (and a Call for Ideas!)

4. How We Saved $1.22 Million Annually on GCP Costs in a Few Simple Steps

5. Inside Kubernetes Scheduler: What really happens before your pod lands on a node

6. Overcoming the Challenges of Mutating Webhooks: Our Journey to an Alternative

7. Scaling batch jobs for reliable and efficient processing

8. Enhancing deployments with autonomous reconcilers in GKE

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📖 Tutorials

1. Optimizing Distributed Tracing with Jaeger DaemonSet: A Comprehensive Guide to Log Collection

2. Implementing canary deployments on multi-cluster Kubernetes with ISTIO

3. ToolHive: Secure MCP in a Kubernetes-native world

4. Submariner Lighthouse: Multi-Cluster Service Discovery for Kubernetes

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💼 Kubernetes jobs

DevSecOps Engineer 💰 $120K to $135K a year · 🏢 based in the office in Colorado Springs, CO, USA

Platform Engineer 💰 $50.3K to $86K a year · 🏢 based in the office (and remote from home) in Johnston, RI, USA

Product Owner 💰 $177K to $221K a year · 🌎 remote from the United States of America

Data Engineer 💰 $150K to $165K a year · 🌎 remote from the United States of America

Software Engineer 💰 $143.67K a year · 🏢 based in the office in Richardson, TX, USA

👉 Discover more opportunities on Kube Careers.

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🛠 Tools and libraries

1. Skaffold: easy and repeatable Kubernetes development

2. Helm dashboard

3. Chart-testing: linting and testing charts

4. Kyverno: policy engine

5. K8s cleaner

6. Kubewall

7. Kubetail

8. MariaDB operator

9. Multi-Cluster Kubernetes Add-on Deployment and Policy Engine

10. Kustomize sops

11. Kubernetes-reflector: replicate secrets, ConfigMaps and certificates

12. HAMi: Heterogeneous Device Virtualization

13. Kubernetes the harder way

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📅 Upcoming Kubernetes events

KubeCon + CloudNativeCon India 2025 📅 Aug 7

Discovering Kueue: The Future of AI Job Queues 📅 Aug 7

Supercharge Kubernetes: Tools You Need Now 📅 Aug 7

Understanding bootc: Containerizing Your OS 📅 Aug 9

🔥 Kubernetes Community Days Nigeria 2025 📅 Aug 14

🔥 Advanced Kubernetes course 📅 Sep 18

👉 You can find more events on Kube Events.

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📢 Call for papers closing soon

KubeVirt Summit 2025 ⏳ closes Aug 6

Kubernetes Community Days Suisse Romande ⏳ closes Sep 1

🔥 Devopsdays Los Angeles ⏳ closes Nov 2

🔥 Devopsdays Detroit ⏳ closes Aug 16

Devopsdays Bogotá ⏳ closes Sep 16

Devopsdays Ljubljana ⏳ closes Aug 14

Devopsdays Wollongong ⏳ closes Oct 1

KyvernoCon 2025 ⏳ closes Aug 6

🔥 Open Source Observability Day 2025 ⏳ closes Sep 1

👉 You can find more Call for Papers on Kube Events.

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Until next time!

— Dan