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KubeFM

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Rating
★★★★★
5
from
4 reviews
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This podcast has
100 episodes
Language
English
Publisher
KubeFM
Explicit
No
Date created
2023/09/26
Latest episode
2026/09/15
Average duration
39 min.
Release period
13 days

Description

Discover all the great things happening in the world of Kubernetes, learn (controversial) opinions from the experts and explore the successes (and failures) of running Kubernetes at scale.

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Podcast episodes

Check latest episodes from KubeFM podcast


Building Platforms for AI Agents, with Mauricio (Salaboy) Salatino
2026/09/15
Non-deterministic agents pose specific challenges for platform teams in observability, state management, governance, and trust. Mauricio (Salaboy) Salatino explains why agentic applications behave like distributed multi-agent systems. His test assigned agents to take an order, cook the pizza, deliver it, and charge the customer. One order crossed 15 containers and produced 200 traces. In this interview: Why agent frameworks can recreate monolith scaling and resource contention How OpenTelemetry data can measure agent behavior and trust over time Why narrowly scoped agents are safer than agents that follow long sequences How the platform can become the learning layer that feeds better context back to LLMs Sponsor Kubernetes moves too fast to track everything. Learn Kubernetes Weekly filters out the noise to deliver one curated email with useful articles, tutorials, tools, jobs, events, and CFPs. Subscribe to Learn Kubernetes Weekly. More info Find all the links and info for this episode here: https://ku.bz/TlVjXdnb6 Interested in sponsoring an episode? Learn more.
Kubernetes Can Run Your Database. Your Team Can't., with Kat Cosgrove
2026/09/08
KubeSelect is a new show that tests one bold Kubernetes hypothesis with one expert. Hosts Salman Iqbal and Bart Farrell examine the evidence and ask whether the claim holds up. In episode two, Kat Cosgrove tackles a long-running question: should teams run databases on Kubernetes? StatefulSets, persistent volumes, CSI, and database operators changed the technical answer, but they did not remove the operational risk. In this episode: How Kubernetes storage has matured and why old assumptions persist Where Kubernetes responsibility ends, and database responsibility begins Why operators do not replace database experts When managed database services remain the better choice Sponsor Kubernetes moves too fast to track everything. Learn Kubernetes Weekly filters out the noise to deliver one curated email with useful articles, tutorials, tools, jobs, events, and CFPs. Subscribe to Learn Kubernetes Weekly. More info Find all the links and info for this episode here: https://ku.bz/7yDWlP8T5 Interested in sponsoring an episode? Learn more.
Observability Won't Save You, with Henrik Rexed
2026/09/01
Kube Select takes one bold Kubernetes hypothesis and tests it with an expert. In the first episode, Salman Iqbal and Bart Farrell ask whether most organizations have an observability problem or a decision-making problem. Henrik Rexed, Senior Staff Engineer at Dynatrace, challenges the original claim. Teams can collect metrics, logs, and traces, but that telemetry needs system relationships, ownership, and deployment history to support a confident decision. In this episode: Why telemetry without context slows incident response How SLOs, ownership, and deployment events guide troubleshooting When more metrics increase cost without improving decisions How AI agents can investigate incidents without replacing human judgment Sponsor Kubernetes moves too fast to track everything. Learn Kubernetes Weekly filters out the noise to deliver one curated email with useful articles, tutorials, tools, jobs, events, and CFPs. Subscribe to Learn Kubernetes Weekly. More info Find all the links and info for this episode here: https://ku.bz/848pmBN5_ Interested in sponsoring an episode? Learn more.
Why Kubernetes Needs to Learn GPUs, with Saiyam Pathak
2026/08/25
Kube Signals starts where the keynote ends: with the trends that platform teams will have to operationalize next. In this special episode, Brian Teller speaks with Saiyam Pathak about his KubeCon India keynote and the shift from developer platforms to AI factories. They examine what GPU scarcity, shared accelerators, and AI workloads mean after the conference slides meet real infrastructure. In this interview: Why GPU infrastructure is becoming a platform-engineering concern How DRA, HAMI, MIG, and MPS change GPU allocation and utilization Where isolation, scheduling, and observability become harder for AI platforms Which cloud-native AI trends and projects platform engineers need to watch Sponsor This episode is sponsored by LearnKube. Download the free book, The Technical Guide to Kubernetes Rightsizing, to understand what Prometheus and Grafana cannot tell you about safely reducing requests and limits. More info Find all the links and info for this episode here: https://ku.bz/4QZDqrnf- Interested in sponsoring an episode? Learn more.
GitOps at Enterprise Scale, with Elad Cohen
2026/08/19
At enterprise scale, a deployment pipeline that runs Helm upgrades directly against Kubernetes hides drift, mixes configuration with CI logic, and makes the last pipeline run the source of truth. Elad Cohen explains how WSC Sports moved from Azure DevOps to GitHub Actions and redesigned delivery around Git and Argo CD. The resulting platform separates builds from deployments, keeps service configuration in values files, and continuously reconciles clusters. In this interview: Why CI should change Git instead of the cluster How ApplicationSets create main and shadow deployments from one values file How AppProjects scope permissions and route alerts by team Why reusable Helm contracts make customization compound across services Sponsor This episode is sponsored by LearnKube. Download the free book, The Technical Guide to Kubernetes Rightsizing, to understand what Prometheus and Grafana cannot tell you about safely reducing requests and limits. More info Find all the links and info for this episode here: https://ku.bz/wX5H5Mjwv Interested in sponsoring an episode? Learn more.
Automating Pod Disruption Budgets with Kyverno, with Ahmad Asmar
2026/08/10
Karpenter can reduce Kubernetes infrastructure costs, but aggressive node consolidation can also expose workloads that lack disruption safeguards. Ahmad Asmar explains how Zencity uses Kyverno to automatically generate Pod Disruption Budgets, while accounting for existing PDBs, percentage-based availability targets, single-replica workloads, and environment-specific policies. In this interview: How Karpenter consolidation changes the availability risks of cluster operations Why Kyverno's generated policies can provide safer defaults than manual enforcement How to handle duplicate PDBs, scaling workloads, and single-replica edge cases How aggregated ClusterRoles keep custom permissions separate from Helm-managed resources Sponsor This episode is sponsored by LearnKube. Download the free book, The Technical Guide to Kubernetes Rightsizing, to understand what Prometheus and Grafana cannot tell you about safely reducing requests and limits. More info Find all the links and info for this episode here: https://ku.bz/xrlPJg54D Interested in sponsoring an episode? Learn more.
From KIAM to EKS Pod Identities, with Fabián Sellés Rosa
2026/08/04
An unmaintained identity component can remain invisible until a routine Kubernetes upgrade turns it into an incident. Fabián Sellés Rosa, Platform Engineer and Runtime Tech Lead at Adevinta, explains how his team moved from KIAM to EKS Pod Identities without discarding the security boundaries and application interface that their internal platform depended on. In this interview: Why KIAM became urgent to replace after years of stable operation How Crossplane, a custom controller, and KRO with ACK compared against the team's criteria Why managed EKS Capabilities reduced toil but introduced observability and rollout trade-offs How Kyverno preserved namespace-level authorization for IAM roles Sponsor This episode is sponsored by LearnKube. Download the free book, The Technical Guide to Kubernetes Rightsizing, to understand what Prometheus and Grafana cannot tell you about safely reducing requests and limits. More info Find all the links and info for this episode here: https://ku.bz/R_06hwnCn Interested in sponsoring an episode? Learn more.
1 Million Tokens Per Second on Kubernetes, with Federico Iezzi
2026/07/28
GPU inference throughput depends on more than accelerator generation or count. Memory bandwidth, model parallelism, cache configuration, and the load generator itself all influence measured throughput. Federico Iezzi, Customer Engineer at Google Cloud, explains how his team achieved 1 million output tokens per second using Qwen 3.5 27B, vLLM, GKE Autopilot, and NVIDIA B200 GPUs. The discussion covers: Why memory bandwidth limits decode performance How Federico chose between tensor and data parallelism What changed after enabling multi-token prediction and reducing the KV cache footprint with FP8 quantization. Sponsor This episode is sponsored by LearnKube. Download the free book, The Technical Guide to Kubernetes Rightsizing, to understand what Prometheus and Grafana cannot tell you about safely reducing requests and limits. More info Find all the links and info for this episode here: https://ku.bz/1xD9Md0mb Interested in sponsoring an episode? Learn more.
The Hidden Cost of Slow Autoscaling, with John Ford
2026/05/19
Forced platform migrations are usually treated as something to survive. At Scout24, a mandatory OS migration became an opportunity to rethink Kubernetes autoscaling, node provisioning, and infrastructure efficiency. John Ford explains how Scout24 moved its EKS-based Infinity platform from a polling autoscaler and over-provisioned capacity to Karpenter and Bottlerocket. The result was faster node startup, a safer migration path, and about a 30% infrastructure reduction without major downtime. In this interview: Why two-minute node provisioning forced a 25% capacity buffer How Karpenter made the Bottlerocket migration safer What broke around EC2 metadata, AWS SDKs, and cgroups How the new foundation enables Spot, ARM, and GPU workloads Sponsor This episode is sponsored by LearnKube — get started on your Kubernetes journey through comprehensive online, in-person or remote training. More info Find all the links and info for this episode here: https://ku.bz/DdmVC2_7v Interested in sponsoring an episode? Learn more.
The Namespaces Scaling Trap, with Brian Stack
2026/05/12
Most teams scale Kubernetes by thinking about pods and nodes. At Render, Brian Stack ran into a different dimension: hundreds of thousands of namespaces per cluster, multiplied across DaemonSets that list-watch every namespace. Brian explains how Render traced the issue through Calico and Vector, worked with upstream maintainers, and turned memory profiling into operational wins: lower node costs, lighter API-server load, and faster rollouts. In this interview: Why namespaces can become a hidden scaling bottleneck How DaemonSets multiply memory and control-plane pressure How profiling, staging clusters, and upstream collaboration freed 7 TiB Why pushing from an 80% fix to a complete fix can make teams faster Sponsor This episode is sponsored by LearnKube — get started on your Kubernetes journey through comprehensive online, in-person or remote training. More info Find all the links and info for this episode here: https://ku.bz/0mrvCsXrV Interested in sponsoring an episode? Learn more.
AI Agents Running Kubernetes, with Mike Solomon
2026/05/05
What happens when an AI agent stops generating Kubernetes YAML and starts operating the cluster directly? Mike Solomon, software engineer at AIATELLA, explains how his team moved from a sprawling Helm setup to Markdown-driven infrastructure specs that Claude Code can execute, test, and refine. You will learn Why Helm became hard to maintain for a fast-moving medical infrastructure repo How Claude debugged Argo, TLS conflicts, kubectl patches, and private registry credentials How runbooks plus agent memory files capture failures so deployments become reproducible. It is a practical look at where Kubernetes automation may be heading: less hand-written YAML, more precise intent, and a sharper definition of when the human must stay in the loop. Sponsor This episode is sponsored by LearnKube — get started on your Kubernetes journey through comprehensive online, in-person or remote training. More info Find all the links and info for this episode here: https://ku.bz/y70mLvWNs Interested in sponsoring an episode? Learn more.
SaaS with Kubernetes Operators and Garbage Collection, with Alexander Held
2026/04/28
A single Kubernetes CRD for every service request turns small changes into full-platform reconciliations. Alexander Held, former platform engineer at Mercedes-Benz Tech Innovation, describes a production refactor from a 2,000-line CRD to purpose-built resources and controllers. He shows how teams can model business workflows as Kubernetes APIs and then use owner references, finalizers, and events to keep platform operations predictable. You will learn: Why monolithic CRDs create performance and troubleshooting problems How controllers turn database provisioning and backups into reconciliation loops How finalizers clean up external resources such as S3 backups Why Kubernetes events make platform workflows easier to debug Sponsor This episode is sponsored by LearnKube — get started on your Kubernetes journey through comprehensive online, in-person or remote training. More info Find all the links and info for this episode here: https://ku.bz/TGy4Qn7Qs Interested in sponsoring an episode? Learn more.
What Hip-Hop Can Teach Us About Kubernetes, with Kelsey Hightower, Eric Abercrombie, and Julius Payne II
2026/04/21
Kelsey Hightower, Eric Abercrombie, and Julius Payne II reflect on life after achievement, entering the Kubernetes world for the first time, and how music, creativity, and lived experience shape the way they think about technology. In this interview: Why fundamentals, patience, and repetition still matter more than shortcuts How Kubernetes, community, and confidence intersect for people entering cloud-native work What hip-hop, production, and storytelling can teach us about ownership, authenticity, and finding your voice Sponsor This episode is sponsored by LearnKube — get started on your Kubernetes journey through comprehensive online, in-person or remote training. More info Find all the links and info for this episode here: https://ku.bz/czrCCXSLt Interested in sponsoring an episode? Learn more.
Intelligent Kubernetes Load Balancing, with Rohit Agrawal
2026/04/07
You're running gRPC services in Kubernetes, load balancing looks fine on the dashboard — but some pods are burning at 80% CPU while others sit idle, and adding more replicas only partially helps. Rohit Agrawal, a Staff Software Engineer on the traffic platform team at Databricks, explains why this happens and how his team replaced Kubernetes's default networking with a proxy-less, client-side load-balancing system built on the xDS protocol. In this episode: Why KubeProxy's Layer 4 routing breaks down under high-throughput gRPC: it picks a backend once per TCP connection, not per request How Databricks built an Endpoint Discovery Service (EDS) that watches Kubernetes directly and streams real-time pod metadata to every client How zone-aware spillover cut cross-availability-zone costs without sacrificing availability Why CPU-based routing failed (monitoring lag creates oscillation) and what signals to use instead The system has been running in production for three years across hundreds of services, handling millions of requests. Sponsor This episode is sponsored by LearnKube — get started on your Kubernetes journey through comprehensive online, in-person or remote training. More info Find all the links and info for this episode here: https://ku.bz/y803JMhBk Interested in sponsoring an episode? Learn more.
That Time I Found a Service Account Token in my Log Files, with Vincent von Büren
2026/03/31
You're integrating HashiCorp Vault into your Kubernetes cluster and adding a temporary debug log line to check whether the ServiceAccount token is being passed correctly. Three months later, that log line is still in production — and the token it prints has a 1-year expiry with no audience restrictions. Vincent von Büren, a platform engineer at ipt in Switzerland, lived through exactly this incident. In this episode, he breaks down why default Kubernetes ServiceAccount tokens are a quiet security risk hiding in plain sight. You will learn: What's actually inside a Kubernetes ServiceAccount JWT (issuer, subject, audience, and expiry) Why tokens with no audience scoping enable replay attacks across internal and external systems How Vault's Kubernetes auth method and JWT auth method compare, and when to choose each What projected tokens are, why they dramatically reduce blast radius, and what's holding teams back from using them Practical steps for auditing which pods actually need API access and disabling auto-mounting everywhere else Sponsor This episode is sponsored by LearnKube — get started on your Kubernetes journey through comprehensive online, in-person or remote training. More info Find all the links and info for this episode here: https://ku.bz/LTnB_Ntbc Interested in sponsoring an episode? Learn more.

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