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• I just want mTLS on Kubernetes, with John Howard

  Dive into the world of Kubernetes security with this insightful conversation about securing cluster traffic through encryption.John Howard, Senior Software Engineer at Solo.io, explains the complexities of implementing Mutual TLS (mTLS) in Kubernetes. He discusses the evolution from DIY approaches to Service Mesh solutions, focusing on Istio's Ambient Mesh as a simplified path to workload encryption.You will learn:Why DIY mTLS implementation in Kubernetes is challenging at scale, requiring certificate management, application updates, and careful transition planningHow Service Mesh solutions offload security concerns from applications, allowing developers to focus on business logic while infrastructure handles encryptionThe advantages of Ambient Mesh's approach to simplifying mTLS implementation with its node proxy and waypoint proxy architectureSponsorThis episode is sponsored by Learnk8s — get started on your Kubernetes journey through comprehensive online, in-person or remote training.More infoFind all the links and info for this episode here: https://ku.bz/sk-ZF1PG9Interested in sponsoring an episode? Learn more.

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• Learned it the hard way: don't use Cilium's default Pod CIDR, with Isala Piyarisi

  This episode examines how a default configuration in Cilium CNI led to silent packet drops in production after 8 months of stable operations.Isala Piyarisi, Senior Software Engineer at WSO2, shares how his team discovered that Cilium's default Pod CIDR (10.0.0.0/8) was conflicting with their Azure Firewall subnet assignments, causing traffic disruptions in their staging environment.You will learn:How Cilium's default CIDR allocation can create routing conflicts with existing infrastructureA methodical process for debugging network issues using packet tracing, routing table analysis, and firewall logsThe procedure for safely changing Pod CIDR ranges in production clustersSponsorThis episode is sponsored by Learnk8s — get started on your Kubernetes journey through comprehensive online, in-person or remote training.More infoFind all the links and info for this episode here: https://ku.bz/kJjXQlmTwInterested in sponsoring an episode? Learn more.

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• Simplifying Kubernetes deployments with a unified Helm chart, with Calin Florescu

  Managing microservices in Kubernetes at scale often leads to inconsistent deployments and maintenance overhead. This episode explores a practical solution that standardizes service deployments while maintaining team autonomy.Calin Florescu discusses how a unified Helm chart approach can help platform teams support multiple development teams efficiently while maintaining consistent standards across services.You will learn:Why inconsistent Helm chart configurations across teams create maintenance challenges and slow down deploymentsHow to implement a unified Helm chart that balances standardization with flexibility through override functionsHow to maintain quality through automated documentation and testing with tools like Helm Docs and Helm unittestSponsorThis episode is sponsored by Learnk8s — get started on your Kubernetes journey through comprehensive online, in-person or remote training.More infoFind all the links and info for this episode here: https://ku.bz/mcPtH5395Interested in sponsoring an episode? Learn more.

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• 5,000 pods/second and 60% utilization with Gödel and Katalyst, with Yue Yin

  Learn how ByteDance manages computing resources at scale with custom Kubernetes scheduling solutions that handle millions of pods across thousands of nodes.Yue Yin, Software Engineer at ByteDance, discusses their open-source Gödel scheduler and Katalyst resource management system. She explains how these tools address the challenges of managing online and offline workloads in large-scale Kubernetes deployments.You will learn:How Gödel's distributed architecture with dispatcher, scheduler, and binder components enables the scheduling of 5,000 pods per secondWhy NUMA-aware scheduling and two-layer architecture are crucial for handling complex workloads at scaleHow Katalyst provides node-level resource insights to enable efficient workload co-location and improve CPU utilizationSponsorThis episode is sponsored by Learnk8s — get started on your Kubernetes journey through comprehensive online, in-person or remote training.More infoFind all the links and info for this episode here: https://ku.bz/lMpNng_33Interested in sponsoring an episode? Learn more.

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• Black box vs white box observability in Kubernetes, with Artem Lajko

  Platform Engineer Artem Lajko breaks down observability into three distinct layers and explains how tools like Prometheus, Grafana, and Falco serve different purposes. He also shares practical insights on implementing the right level of monitoring based on team requirements and capabilities.You will learn:How to implement the three-layer model (external, internal, and OS-level) and why each layer serves different stakeholdersHow to choose and scale observability tools using a label-based approach (low, medium, high)How to manage observability costs by collecting only relevant metrics and logsSponsorThis episode is sponsored by Learnk8s — get started on your Kubernetes journey through comprehensive online, in-person or remote training.More infoFind all the links and info for this episode here: https://ku.bz/9sGxhmm8sInterested in sponsoring an episode? Learn more.

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