Learn Kubernetes Weekly issue 186 · 3 Jun 2026

1 Million Tokens Per Second on GKE, Helpdesk Deflecting 80% of Support Tickets, Ansible AWX, Kubermatic SecureGuard, Secrets Management

This newsletter is brought to you by StormForge by CloudBolt. Stop setting Kubernetes requests. Let ML handle rightsizing.

Articles

1. 1 Million Tokens Per Second: Qwen 3.5 27B on GKE with B200 GPUs

   medium.com

   This article explains how Google Cloud benchmarked Qwen 3.5 27B on GKE with 96 B200 GPUs and vLLM to push throughput past 1 million tokens per second while documenting tuning failures along the way.

2. When Hardware Triples in Price, Idle Capacity Becomes a Line Item

   www.cloudbolt.io

   AI infrastructure is changing the economics of Kubernetes.

   As GPUs and specialized hardware become more expensive, idle capacity is no longer a rounding error.

   Here's what that means for optimization.

   sponsored

3. How I Built Kernel: An AI-Powered IT Helpdesk That Deflects 80% of Support Tickets

   blog.inguva.dev

   This article explains how an internal AI helpdesk on GKE uses Slack, LangGraph, Okta, Confluence, and Jira to automate routine IT requests and reportedly deflect about 80% of support tickets.

4. Ansible AWX: Infrastructure Automation on Top of Kubernetes

   medium.com

   This article explains how a team deployed Ansible AWX on K3s and extended it for OpenStack inventory, dynamic SSH users, execution nodes, custom execution environments, and air-gapped installs.

5. I setup Kubermatic SecureGuard before it even existed

   dmuix.medium.com

   This article reviews Kubermatic SecureGuard (KubeSG), a Kubernetes-native open source secrets manager built on OpenBao and the External Secrets Operator that automates secret rotation and delivery without app rewrites or proprietary SDKs.

6. SRE: Secrets Management in Kubernetes

   segfaultpw.substack.com

   This article explains Kubernetes secrets management from an SRE angle by comparing:

   • Sealed Secrets,
   • External Secrets Operator,
   • and Vault-based approaches with examples.

Tutorials

1. Kubernetes Rightsizing: A Production Readiness Checklist

   www.cloudbolt.io

   Rightsizing is easy in a test cluster, but production is different.

   Learn the guardrails, rollout strategies, and operational requirements needed to safely automate Kubernetes optimization at scale.

   sponsored

2. Fixing ISR Revalidation Across Kubernetes Replicas

   strapi.io

   This case study explains how Strapi fixed ISR revalidation across multiple replicas by using Redis Pub/Sub so every pod receives and applies the same revalidation event.

3. Beyond Ingress: GKE Multi-cluster Gateway and Multi-Cluster Services

   medium.com

   This article explains how to build a highly available GKE architecture using Multi-Cluster Services and Multi-Cluster Gateway.

   It covers subnet naming requirement for cross-regional internal ALBs, cluster setup via Fleet, demo app with request routing.

4. Migrating VPC CNI from Self-Managed to EKS Managed Add-on

   asrinandirin.medium.com

   This tutorial shows how to migrate Amazon EKS VPC CNI from a self-managed DaemonSet to an AWS managed add-on by preserving custom env settings, moving permissions to IRSA, and avoiding downtime during adoption.

Kubernetes jobs

1. • Software Engineer with Twilio

   • Salary: $171.12K to $213.9K a year

   • Location: remote from

   • Tech stack: Kubernetes, Kubernetes, AWS, Azure, GCP, alerting, monitoring, metrics, Kafka, MySQL

2. • DevSecOps Engineer with Temporal Technologies

   • Salary: $225K to $275K a year

   • Location: remote from

   • Tech stack: Kubernetes, Kubernetes, AWS EC2, EKS, AKS, AWS, Azure, GKE, GCP, Envoy

3. • DevSecOps Engineer with True Anomaly

   • Salary: $115K to $190K a year

   • Location: based in the office in Denver, CO, USA

   • Tech stack: Kubernetes, Kubernetes, EKS, AKS, AWS, Azure, alerting, monitoring, incident response, logging

4. • Software Engineer with Deutsche Telekom

   • Salary: €3.1K to €3.7K a year

   • Location: based in the office in Košice, SK

   • Tech stack: Kubernetes, Kubernetes, Google Cloud, AWS, Azure, Docker, On-premise, Grafana, Git, PSA policy

5. • DevOps Engineer with Deutsche Telekom

   • Salary: €2.6K a year

   • Location: based in the office in Košice, SK

   • Tech stack: Kubernetes, Kubernetes, AWS, Docker, Dynatrace, alerting, monitoring, metrics, logs, Jaeger

Discover more Kubernetes jobs on Kube Careers →

Code & tools

1. K8sQuest: Kubernetes training platform

   github.com/Manoj-engineer

   K8sQuest is a local Kubernetes learning game with 50 progressive challenges where you fix broken clusters using kubectl with real-time monitoring, progressive hints, and post-mission debriefs running on kind.

2. OT-CONTAINER-KIT Redis Operator

   github.com/OT-CONTAINER-KIT

   This operator automates provisioning and operating Redis in standalone, cluster, replication, or sentinel mode on Kubernetes with support for TLS, monitoring (via Redis Exporter), dynamic PVCs, and failover management.

3. Swimmer

   github.com/teru01

   Swimmer is a native desktop Kubernetes GUI built for multi-cluster workflows, letting you browse 27+ resource types, compare clusters in split panels, and run terminal sessions per cluster, built with Tauri and Rust.

4. hanoi-cli

   github.com/k-krew

   hanoi-cli analyzes pod distribution across nodes, detects CPU/memory hotspots, generates safe redistribution plans, and simulates node failures — all without touching the cluster.

5. S4 – Super Simple Storage Service

   github.com/rh-aiservices-bu

   S4 is a lightweight single-container S3-compatible storage service built on Ceph RGW, with a React web UI, Helm chart for Kubernetes/OpenShift, and built-in HuggingFace model import support.

Upcoming Kubernetes events

1. Jun

   4

   DevTalks

   In-person conference organized by DevTalks.

   • Location: Bucharest, RO

   • This event requires an entrance fee

2. Jun

   5

   Craft Conference 2026

   In-person conference organized by Craft.

   • Location: Budapest, HU

   • This event requires an entrance fee

3. Jun

   6

   Devopsdays Feira de Santana

   In-person conference organized by Devopsdays.

   • Location: Feira de Santana, BR

   • This event requires an entrance fee

4. Jun

   9

   Berlin Buzzwords

   In-person conference organized by Plain Schwarz UG.

   • Location: Berlin, DE

   • This event requires an entrance fee

5. Jun

   10

   Kubernetes Community Days New York 2026

   In-person conference organized by KCD New York.

   • Location: New York, NY, USA

   • This event requires an entrance fee

   • • Use KCDNY26-KS-3ALPLFG5UCVXN28L to get 30% off

6. Jun

   11

   Advanced Kubernetes course

   Online workshop organized by LearnKube.

   • This is a virtual event

   • This event requires an entrance fee

Discover more Kubernetes events on Kube Events →

Kubernetes call for papers

1. 19

   days

   Dutch Cloud Native Day

   The Call For Paper is open until 22 June 2026 at UTC. More info →

   • Location: Utrecht, NL

   • In-person conference organized by Dutch CND.

   • The conference starts on the 29 October 2026.

   • Apply here

2. 12

   days

   Kubernetes Community Days San Francisco Bay Area 2026

   The Call For Paper is open until 15 June 2026 at UTC. More info →

   • Location: San Francisco, US

   • In-person conference organized by KCD SF Bay Area.

   • The conference starts on the 1 September 2026.

   • Apply here

3. 33

   days

   Kubernetes Community Days São Paulo 2026

   The Call For Paper is open until 6 July 2026 at UTC. More info →

   • Location: São Paulo, BR

   • In-person conference organized by KCD Brasil.

   • The conference starts on the 26 September 2026.

   • Apply here

4. 58

   days

   ContainerDays & AI Context Singapore

   The Call For Paper is open until 31 July 2026 at UTC. More info →

   • Location: Singapore, SG

   • In-person conference organized by ContainerDays.

   • The conference starts on the 28 October 2026.

   • Apply here

5. 24

   days

   Kubernetes Community Days Washington DC 2026

   The Call For Paper is open until 27 June 2026 at UTC. More info →

   • Location: Washington, DC, USA

   • In-person conference organized by KCD Washington DC.

   • The conference starts on the 15 September 2026.

   • Apply here

6. 6

   days

   Kubernetes Community Days UK - Edinburgh 2026

   The Call For Paper is open until 9 June 2026 at UTC. More info →

   • Location: London, GB

   • In-person conference organized by KCD UK.

   • The conference starts on the 19 October 2026.

   • Apply here

7. 43

   days

   Kubernetes Community Days Porto 2026

   The Call For Paper is open until 16 July 2026 at UTC. More info →

   • Location: Porto, PT

   • In-person conference organized by KCD Porto.

   • The conference starts on the 20 November 2026.

   • Apply here

8. 26

   days

   Kubernetes Community Days Nigeria 2026

   The Call For Paper is open until 29 June 2026 at UTC. More info →

   • Location: Lagos, NG

   • In-person conference organized by KCD Nigeria.

   • The conference starts on the 24 October 2026.

   • Apply here

9. 89

   days

   OmniOpenCon 2026

   The Call For Paper is open until 31 August 2026 at UTC. More info →

   • Location: Bucharest, RO

   • In-person conference organized by OmniOpenCon.

   • The conference starts on the 18 October 2026.

   • Apply here

Thanks for reading.

Until next time!

— Gulcan