kubernetes

RAG pipeline chunk overlap causing duplicate context injection in Kubernetes

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background pattern

RAG Pipeline Chunk Overlap Causing Duplicate Context Injection in Kubernetes Problem The Retrieval‑Augmented Generation (RAG) service deployed on a GPU‑accelerated Kubernetes cluster began exhibiting: Excessive token duplication in the vector store, leading to inflated embedding counts. Memory pressure on A100/H100 pods, resulting in OOMKilled restarts. Embedding latency spikes (>30 s) and a 40 % drop in retrieval … Read more

Kubernetes CRD validation failure during AI job deployment

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background pattern

Kubernetes CRD Validation Failure During AI Job Deployment Problem When deploying an AI training job to the staging cluster (Kubernetes v1.24) via Helm, the kubectl apply step aborts with a CRD validation error. The custom resource (AITrainingJob) is accepted by the Helm chart, but the API server rejects it, preventing the job from being created. … Read more

Kubernetes secret rotation failure for multi-GPU training pods

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a group of blue boxes

Problem: Kubernetes Secret Rotation Failure for Multi‑GPU Training Pods In a production AI training platform, each training job runs in a pod that requests multiple GPUs. Access to the GPU resource provider (e.g., NVIDIA GPU Cloud, a proprietary licensing server, or a cloud‑native GPU quota service) is gated by short‑lived credentials stored in a Secret. … Read more

Kubernetes rolling update node port conflict resolution

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chart

Problem: NodePort conflicts during rolling updates During a rolling update of a Deployment that exposes a Service of type NodePort, new Pods are scheduled while the old Pods are still running. If the Service definition specifies a static nodePort (or relies on the default allocation) and the update creates a second Service object (e.g., during … Read more

Kubernetes AI inference latency spike during peak hours

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a group of blue boxes

Problem – Latency Spike in Kubernetes‑Hosted AI Inference Service During peak traffic windows the inference endpoint that serves ~100 ms predictions suddenly starts responding in 1 s +. The spike is repeatable, lasts for the duration of the load burst, and then returns to baseline once traffic subsides. Key observations: CPU and memory usage on GPU‑accelerated pods stay … Read more

Kubernetes CRD validation errors after schema update

by
a group of blue boxes

Problem – Validation Errors After Updating a CRD Schema After a recent schema change to a shared Custom Resource Definition (CRD) used by multiple AI/ML services, kubectl apply and CI/CD pipelines began failing with errors such as: error: admission webhook “v1.crdvalidation.k8s.io” denied the request: spec: Required value Other observed messages include: validation failed: spec.replicas: Invalid … Read more