Tag: #cloud-native
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 17 posts
Kafka Diskless Topics (KIP-1150): The Cross-AZ Cost You Trade for Latency — and a Feature Not Yet Shipped
On March 2, 2026, the Apache Kafka community accepted KIP-1150, Diskless Topics — a proposal to make object storage, not broker disks, the source of truth for data, eliminating the cross-AZ replication traffic that is th
2026-07-16 · 16 min read #kafka#streaming#distributed-systems#cloud-nativeUnderstanding the Kubernetes Operator Pattern — Controllers, Reconciliation, and Codifying Operational Knowledge
A deep, operations-focused look at what the Operator pattern solves, how the control loop and reconciliation work, how CRDs and controllers combine, control plane extension mechanisms, Capability Levels, and when to use
2026-06-15 · 20 min read #kubernetes#operator#controller#reconcile#crdThe Reconcile Loop in Depth — Idempotency, Error Handling, Queues, and Performance
A deep dissection of the reconcile loop: the request flow (informer to workqueue to reconcile), Result and requeue, idempotency patterns, status and conditions, predicate event filters, rate limiting and concurrency, cac
2026-06-15 · 18 min read #kubernetes#operator#reconcile#controller-runtime#performanceKubernetes Ecosystem 2026 Deep-Dive — Helm, Kustomize, Argo CD, Flux, KEDA, Karpenter, Cluster API, Operator Framework
A complete tour of the Kubernetes ecosystem as of May 2026. We cover manifest tools (Helm 3.18+, Kustomize, Carvel, Jsonnet, cdk8s), the Argo CD vs Flux v2 GitOps split, KEDA and Karpenter autoscaling, Cluster API and CA
2026-05-16 · 23 min read #kubernetes#helm#kustomize#argocd#fluxKubestronaut Path 2026 Deep-Dive - CKA, CKAD, CKS, KCNA, KCSA and the CNCF Certification Ladder (Prometheus, Istio, Cilium, OpenTelemetry, Argo)
A thorough 2026 guide to the Kubestronaut program and the CNCF certification ladder. We cover the five core exams (CKA, CKAD, CKS, KCNA, KCSA) in depth — domains, exam format, passing scores, pass rates, Killer Shell moc
2026-05-16 · 20 min read #kubestronaut#cncf#kubernetes#cka#ckadThe Complete Golden Kubestronaut Roadmap — Conquering All 16 CNCF Certifications (With Per-Cert Study Content, 2026)
Kubestronaut means all 5 Kubernetes certifications; Golden Kubestronaut means all 15 CNCF certifications plus LFCS. This post breaks down all 16 exams one by one — the difference between the two tiers, the two exam forma
2026-05-14 · 14 min read #kubernetes#cncf#certification#kubestronaut#golden-kubestronautKubernetes Internals Complete Guide — etcd, API Server, Controller, Scheduler, kubelet, CRI/CNI/CSI Deep Dive (2025)
Everything about Kubernetes internals — history from Google Borg, etcd Raft consensus, API Server REST and watch protocol, scheduler filter/score algorithms, controller manager reconciliation loops, kubelet Pod lifecycle
2026-04-15 · 11 min read #kubernetes#etcd#controller#scheduler#kubeletMulti-Cloud Strategy & Migration Complete Guide 2025: AWS/GCP/Azure Comparison, Hybrid Cloud
Everything about Multi-Cloud! AWS vs GCP vs Azure service mapping, multi-cloud architecture patterns, hybrid cloud (Anthos/Azure Arc/EKS Anywhere), cloud migration 6R strategy, vendor lock-in prevention, DR (disaster rec
2026-04-14 · 23 min read #multi-cloud#cloud-migration#aws#gcp#azureRunning Databases on K8s -- Complete Guide to CNPG, Percona, Vitess, and Helm Charts
A comprehensive overview of running databases in Kubernetes environments. We compare CloudNativePG, Percona Operator, Vitess, and major Helm charts, and share practical operational know-how.
2026-04-11 · 15 min read #database#kubernetes#cnpg#postgresql#mysqlRunning Databases on Kubernetes Complete Guide: StatefulSet, Operators, Backup and Recovery
Everything about running DBs on K8s! StatefulSet vs Deployment, PV/PVC/StorageClass, DB Operators (CloudNativePG/Percona/MongoDB), Backup/Recovery (Velero/pgBackRest), Monitoring (PMM), HA/Failover, Performance Tuning, P
2026-03-24 · 17 min read #kubernetes#database#statefulset#operator#postgresqlKCNA Kubernetes and Cloud Native Associate Practice Exam: 60 Questions
A full 60-question KCNA practice exam covering all domains: Kubernetes Fundamentals, Container Orchestration, Cloud Native Architecture, Observability, and Application Delivery. Complete preparation for the Kubestronaut
2026-03-17 · 25 min read #kubernetes#kcna#cncf#cloud-native#certificationKubernetes CKA Certification Practice Exam (55 Questions + 10 Practical Simulations)
Comprehensive CKA (Certified Kubernetes Administrator) practice exam with 55 multiple-choice questions and 10 hands-on practical simulations covering all exam domains: cluster architecture, workloads, networking, storage
2026-03-17 · 26 min read #kubernetes#cka#certification#cloud-native#devopsThe Top 1% Cloud Native Expert Credential: Complete Guide to Achieving Kubestronaut (2026 Latest)
A comprehensive analysis of the 5 certifications required for the official CNCF Kubestronaut title, the 2026 Golden Kubestronaut update, hands-on exam passing strategies, and cost-saving tips.
2026-03-01 · 9 min read #kubernetes#kubestronaut#cncf#cka#ckadThe Death and Resurrection of Kubernetes Networking: 5 Changes You Must Know Before March 2026
From the March 2026 EOL of Ingress NGINX, the transition to Gateway API, eliminating annotation technical debt, role-based resource separation, vendor portability, to the adoption of HTTP/3 and QUIC -- an in-depth analys
2026-03-01 · 34 min read #kubernetes#networking#gateway-api#ingress-nginx#http3Bringing Kubernetes to Your Local Machine: 5 Game-Changing Innovations from Podman
From Podman daemonless architecture, rootless security model, running K8s YAML locally with play kube, Pod-native management, to Pasta networking — an in-depth analysis from an architect perspective of 5 innovations that
2026-03-01 · 33 min read #podman#container#kubernetes#rootless#daemonlessFive Decisive Strategies for Opening Up the Black Box of Microservices with OpenTelemetry
Propagating business context with W3C Baggage, a hybrid automatic/manual instrumentation strategy, cost optimization through tail-based sampling, standardizing on Semantic Conventions, and choosing between OTLP gRPC and
2026-03-01 · 43 min read #opentelemetry#observability#microservices#distributed-tracing#otlpFluent Bit Complete Guide: Architecture, Configuration, and Kubernetes Integration for the Lightweight Log Processor
A comprehensive guide covering Fluent Bit lightweight architecture and pipeline (Input, Parser, Filter, Buffer, Output) structure, Kubernetes DaemonSet deployment, log routing, parser configuration, Elasticsearch/Loki/S3
2026-03-01 · 41 min read #fluent-bit#logging#observability#kubernetes#fluentd