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| 🔗 Stories, Tutorials & Articles |
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| Tigera introduces unified control plane for Kubernetes-based AI agent security |
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| Tigera launched Lynx for general availability, a Kubernetes-native control plane that operators place in the path of AI agent calls so teams can enforce identity and policy. |
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| How Netflix Simplified Batch Compute with Kueue ✅ |
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| Netflix migrated millions of batch jobs from their custom queuing system to Kueue, a cloud-native job queueing system, as part of transitioning to a more Kubernetes-native infrastructure. Kueue offers features such as preemption, fair sharing, and hierarchical tenants that were missing in their homegrown solution, Compute Managed Batch (CMB). |
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| What job interviews taught me about Kubernetes |
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| The recent shift towards Kubernetes adoption can be attributed to the benefits of uniform deployment, standardized knowledge, and traceability it offers. With managed K8s services maturing and Helm simplifying deployment, more companies are choosing Kubernetes regardless of their technical needs. The ideal time to consider using Kubernetes is when a team expands beyond a single engineer to ensure knowledge is not tied to individuals. |
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| Kubernetes QoS vs. Linux Cgroups: The Mixed-Resource Pod Risk |
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| Designing Kubernetes manifests with mixed configurations can lead to unpredictability in how resources are managed between containers. This is due to the different ways Kubernetes and Linux handle requests, limits, and OOM situations. To avoid operational risks and ensure stability, it is crucial to carefully define resource constraints within the Pod to protect critical workloads from OOM terminations or evictions. |
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| The feedback loops behind Kubernetes |
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| Kubernetes operator is a closed feedback loop that ensures desired state for running workloads, similar to a thermostat's control. Operators automate manual tasks in managing databases like Postgres, improving efficiency by comparing and converging states. The same loop structure in a Bash script can be simplified and made scalable with Kubernetes components like kubelet, scheduler, CSI, and Services, creating a production control plane without the need for manual upkeep. |
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| When failover isn’t safe: Building high-availability PostgreSQL on Kubernetes ✅ |
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| Datadog made PostgreSQL failover safer by treating replica lag as the promotion gate. A zonal-failure gameday showed that detection and automation could not protect the database if the standby sat behind the primary. The team added lag-aware checks, clearer operator signals, and failure drills so engineers could fail over with a known data-loss boundary. |
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