Learn from production

• An 8-minute outage from a dead NLB and a JVM that cached DNS forever

  claire nguyen

  This case study shows how a JVM DNS cache pinned one service to dead AWS Network Load Balancer IPs during migration, causing an outage fixed with a 30-second TTL.

• Load Testing Apollo Router

  Yurii Rochniak

  This case study shows how Preply tested Apollo Router with a Rust mock service and Vegeta, found a safe range of 1,200–1,500 requests per second, and chose CPU-based autoscaling.

• Your KV Cache Transfer Is 100x Slower Than It Should Be

  Federico Iezzi

  This case study finds a 100x KV cache transfer slowdown in vLLM on GKE, shows how NixlPushConnector restores about 49 GB/s, and measures the latency tradeoff of disaggregated LLM serving.

• OpenShift Upgrade on IBM Cloud with Portworx Replication Enabled: Lessons from a Production Upgrade

  Akshay A Jain

  This case study shares how a team upgraded a production OpenShift cluster on IBM Cloud with Portworx replication in place, and which compatibility and worker-replacement checks kept it from turning into an outage.

More case studies →

Matching jobs

1. • Data Engineer with NielsenIQ

   • Salary: $54K to $4.13L a year

   • Location: based in the office in Chennai, IN

   • Tech stack: Kubernetes, Azure, Docker, Python, SQL, Snowflake, Azure DevOps

2. • DevOps Engineer with Anchorage Digital

   • Salary: $122.4K to $440K a year

   • Location: remote from

   • Tech stack: Kubernetes, AWS, GCP, Docker, C++, Go, GraphQL, Terraform

3. • DevOps Engineer with Coconut Software

   • Salary: CA$105K to CA$130K a year

   • Location: remote from

   • Tech stack: Kubernetes, AWS, Go, Python, Shell, Redis, MySQL, Terraform, Datadog, Grafana

4. • DevOps Engineer with CommerceIQ

   • Salary: $82.17K to $330K a year

   • Location: remote from

   • Tech stack: Kubernetes, AWS, GCP, Docker, Groovy, Java, Python, Ruby, Cloudformation, Terraform

5. • DevOps Engineer with Conversion

   • Salary: $82.17K to $330K a year

   • Location: based in the office in San Francisco, CA, USA

   • Tech stack: Kubernetes, GCP, ArgoCD, Go, SQL, PostgreSQL, Kafka, Terraform, Grafana

Discover more Kubernetes jobs on Kube Careers →

Build something

• Building an InfluxDB OSS Provider with Crossplane and Upbound — My Hands-On Platform Engineering Lab

  Subasukumar

  This tutorial walks through building a Crossplane platform API on a local kind cluster, modelling an InfluxDB provider with XRDs and compositions, and debugging the composition when it fails.

• Migrating from AWS VPC CNI & Kube-Proxy to Cilium on EKS

  Pavankumarn

  This tutorial teaches how to migrate EKS from AWS VPC CNI and kube-proxy to Cilium using blue/green nodes, WireGuard encryption, and Hubble for observability.

• Building a 100% Local RAG System on Kubernetes

  Ahmed Nafies

  This tutorial shows how to run a fully local RAG system on Kubernetes with PostgreSQL and pgvector, local embeddings, and a CPU-based Qwen model without API keys.

• Building a Production-Grade Apache Spark Platform on Kubernetes

  Alireza Khorami

  This tutorial shows how to run a multi-tenant Spark platform on Kubernetes with Spark Operator, Volcano, Helm, Airflow, shared images, workload limits, and monitoring.

More tutorials →

Call for Papers closing soon

1. 3

   days

   Build It Summit

   The Call For Paper is open until 31 October 2026 at GMT-4. More info →

   • Location: Paris, FR

   • In-person conference organized by Build It Summit.

   • The conference starts on the 1 December 2026.

   • Apply here

2. 3

   days

   Devopsdays Los Angeles

   The Call For Paper is open until 1 November 2026 at GMT-5. More info →

   • Location: Los Angeles, CA, USA

   • In-person conference organized by DevopsDays.

   • The conference starts on the 2 April 2027.

   • Apply here

3. 4

   days

   AI Conf Asia

   The Call For Paper is open until 1 November 2026 at GMT-5. More info →

   • Location: Kathmandu, NP

   • In-person conference organized by wwktm.

   • The conference starts on the 8 January 2027.

   • Apply here

4. 8

   days

   Open Source Conference Kolkata

   The Call For Paper is open until 5 November 2026 at GMT-5. More info →

   • Location: Kolkata, IN

   • In-person conference organized by Open Source Con India.

   • The conference starts on the 5 December 2026.

   • Apply here

5. 26

   days

   Big Data Europe

   The Call For Paper is open until 23 November 2026 at GMT-5. More info →

   • Location: Vilnius, LT

   • In-person conference organized by DATA MINER.

   • The conference starts on the 27 November 2026.

   • Apply here

6. 34

   days

   ContainerDays & AI Context London 2027

   The Call For Paper is open until 1 December 2026 at GMT-5. More info →

   • Location: London, GB

   • In-person conference organized by Dockland Media Group.

   • The conference starts on the 11 February 2027.

   • Apply here

7. 45

   days

   APE 2026

   The Call For Paper is open until 12 December 2026 at GMT-5. More info →

   • Location: Apenheul, NL

   • In-person conference organized by Stichting Meetups.

   • The conference starts on the 11 December 2026.

   • Apply here

More articles

• Dagster on Kubernetes: When More Nodes Won’t Save You

  Wojciech Szyba

  This article explains how to troubleshoot Dagster on Kubernetes when runs stay slow, covering concurrency limits, pod scheduling issues, retries, and PostgreSQL queue coordinator bottlenecks.

• From YAML to Forms: Inside Kuadrant's Policy Editor Architecture

  Priyanshu Kumar

  This article explains how the Kuadrant Console Plugin turns raw policy YAML into guided forms inside the OpenShift console, and how the form and YAML views stay in sync in both directions.

• Your Observability Is Looking at the Wrong Things

  Benard Otieno

  This article argues that uptime, latency and error rate only tell you a system is alive, not correct, and shows which behaviour-level signals and baselines belong in dashboards and alerts instead.

• Untrusted Code, Trusted Cluster Scaling Secure AI Agent Workspaces with GKE Agent Sandbox

  Saurabh Mishra

  This article explains how GKE Agent Sandbox uses gVisor to isolate untrusted AI-generated code with separate node pools, Workload Identity, RBAC, and security observability.

Even more articles →