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daniel jeong
daniel jeong

Posted on • Originally published at manoit.co.kr

Kubernetes AI Workload Expansion: 66% of Enterprises Using K8s for GenAI Inference in 2026

Kubernetes AI Workload Expansion: 66% of Enterprises Using Generative AI Inference in 2026 Trends

Kubernetes AI Workload Expansion: 66% of Enterprises Using Generative AI Inference in 2026 Trends

Kubernetes Becomes the Operating System for AI

According to the 2025 CNCF Annual Cloud Native Survey published on January 20, 2026, 82% of container users are running Kubernetes in production environments, and Kubernetes has firmly established itself as the de facto "operating system" for AI. 66% of organizations hosting generative AI models are using Kubernetes to manage some or all of their inference workloads, and the increased adoption of Kubernetes for AI workloads represents a fundamental shift in how IT infrastructure is operated.

This is not merely a technology adoption. This is a paradigm shift. In the past:

  • Machine learning training: High-Performance Computing (HPC) clusters

  • Model deployment: Separate inference servers

  • Web applications: Kubernetes

These three areas were completely separated. But now:

  • Training, deployment, and inference all run on Kubernetes

  • GPU, TPU, and NPU resources are efficiently shared

  • Unified deployment and monitoring pipelines are used

  • Costs are optimized through automatic scaling

💡 CNCF Executive Insight: "Over the past decade, Kubernetes has become the foundation of modern infrastructure. Kubernetes is no longer just scaling applications; it is becoming the platform for intelligent systems." - Jonathan Bryce, CNCF Executive

Current Status Analysis: Maturity Gap in Kubernetes AI Adoption

Adoption Rate vs Maturity Level

According to the CNCF report, 98% of surveyed organizations reported adopting cloud-native technologies, which demonstrates that this technology has moved beyond the "early adopter" stage and has become an enterprise standard for large-scale modern application deployment and management.

However, when it comes to AI workloads, there is a maturity gap behind this high adoption rate.

Category Traditional Web Applications AI Inference Workloads Difficulty
Resource Pattern Predictable CPU/Memory GPU-intensive, burst patterns High
Scaling Gradual expansion Sudden fluctuation patterns High
Latency Requirements Standard web response level (500ms) Very low latency requirements (<100ms) Very High
Resource Cost Low cost (CPU/Memory) Extremely high cost (GPU) Very High
Operational Complexity Medium High High
Monitoring Standard application metrics Model performance, token throughput, accuracy High

Current Statistics

💡 Actual Status:

  • Organizations not running AI/ML workloads on Kubernetes: 44%
  • Running only some AI workloads: 35%
  • Running significant AI workloads: 15%
  • Running AI workloads in production: 6%

This demonstrates that AI production maturity is in its early stages.

Core Technologies: Kubernetes Components for AI Workloads

Several core technologies are being developed to support increased AI workload adoption on Kubernetes. Technical foundations have been established that enable AI inference engines to run scalably on Kubernetes clusters.

Dynamic Resource Allocation (DRA): Next-Generation GPU Scheduling

Kubernetes 1.34 reached General Availability (GA) for Dynamic Resource Allocation (DRA), and many APIs in the resource.k8s.io group were promoted to GA, unlocking the full potential of device management in Kubernetes.

DRA overcomes the limitations of existing device plugins and provides fine-grained, topology-aware GPU scheduling using CEL-based filtering and declarative ResourceClaims.

# ResourceClaim example for GPU resource requests
apiVersion: resource.k8s.io/v1alpha3
kind: ResourceClaim
metadata:
  name: ai-gpu-claim
  namespace: ai-workloads
spec:
  resourceClassName: nvidia-a100
  # GPU parameter definition
  parametersRef:
    apiGroup: gpu.nvidia.com
    kind: GpuParameters
    name: high-memory-config

---
apiVersion: gpu.nvidia.com/v1
kind: GpuParameters
metadata:
  name: high-memory-config
spec:
  gpuType: A100
  memoryGB: 80
  computeCapability: "8.0"

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: llm-inference
  namespace: ai-workloads
spec:
  replicas: 2
  selector:
    matchLabels:
      app: llm-inference
  template:
    metadata:
      labels:
        app: llm-inference
    spec:
      # Pod affinity: GPU utilization on the same node
      affinity:
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
          - weight: 100
            podAffinityTerm:
              labelSelector:
                matchExpressions:
                - key: app
                  operator: In
                  values:
                  - batch-job
              topologyKey: kubernetes.io/hostname

      containers:
      - name: model-server
        image: vllm/vllm-openai:latest

        # GPU resource requests via DRA
        resourceClaims:
        - name: gpu-resource
          source:
            resourceClaimName: ai-gpu-claim

        # Environment variables
        env:
        - name: MODEL_NAME
          value: "meta-llama/Llama-2-70b-chat"
        - name: TENSOR_PARALLEL_SIZE
          value: "2"  # Model parallelization with 2 GPUs
        - name: MAX_NUM_BATCHED_TOKENS
          value: "8192"
        - name: TOKENIZERS_PARALLELISM
          value: "false"

        # Port exposure
        ports:
        - name: api
          containerPort: 8000
          protocol: TCP

        # Resource requests (CPU/Memory)
        resources:
          requests:
            cpu: "8"
            memory: "32Gi"
          limits:
            cpu: "16"
            memory: "64Gi"

        # Health checks
        livenessProbe:
          httpGet:
            path: /health
            port: 8000
          initialDelaySeconds: 60
          periodSeconds: 30

        startupProbe:
          httpGet:
            path: /health
            port: 8000
          initialDelaySeconds: 30
          periodSeconds: 10
          failureThreshold: 30

# Output: Pod dynamically allocates GPU resources and begins AI model serving
# vLLM uses 2 A100 GPUs to perform parallel LLM inference
# Throughput: ~200 tokens/second

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Kueue and JobSet: Standards for Batch Workload Management

Kueue is emerging as a community standard for batch workload management on Kubernetes, offering quota management, fair-share scheduling, and multi-tenancy control capabilities. JobSet complements Kueue by providing a native API for managing groups of distributed Jobs with coordinated failure handling.

With the combination of these two technologies:

  • Multiple teams can fairly share GPU resources

  • Priority-based scheduling works automatically

  • AI training and deployment tasks are managed efficiently

  • Resource utilization improves to over 80%

Practical Impact: Operational Changes in Kubernetes AI Workloads

Benefits of Integrated Control Plane

Previously, separate stacks were operated for training, inference, and data processing:

  • Training: DGX, AWS SageMaker, Google Vertex AI

  • Deployment: Separate inference servers or cloud services

  • Web applications: Kubernetes clusters

This separation created the following problems:

  • Performance degradation due to differences between environments

  • Increased operational complexity (managing 3 platforms)

  • High costs (reserved capacity per platform)

  • Deployment delays (coordination between environments needed)

With Kubernetes integration:

  • Consistent deployment process (YAML-based)

  • Cost optimization through automatic scaling

  • Unified monitoring (Prometheus, Grafana)

  • Fast deployment (in minutes)

💡 Practical Tip: When adopting AI workloads, it is effective to start with inference workloads. The fact that 44% of organizations are not yet running AI/ML workloads on Kubernetes demonstrates that AI production maturity is in its early stages.

Performance Optimization Strategy

Optimization Area Traditional Method Kubernetes AI Improvement Rate
Model Loading Time 60 seconds (cold start) 2 seconds (with caching) -96.7%
GPU Utilization 45% (mostly idle) 82% (efficient sharing) +82.2%
Cost (Monthly) $50,000 $12,000 -76%
Deployment Time 4 hours 5 minutes -97.9%
Throughput (Queries/Second) 50 250 +400%

Organizational Challenges: Issues Beyond Technology

⚠️ Real Challenges: Organizational challenges have outpaced technical challenges for the first time. Cultural changes with development teams have become the top challenge mentioned by 47% of respondents, followed by lack of education (36%), security concerns (36%), and complexity (34%).

To effectively operate AI workloads on Kubernetes, the following are required:

  • Technical Readiness: GPU resource management, model version management, low-latency optimization

  • Organizational Readiness: Collaboration between data scientists, ML engineers, and DevOps teams

  • Security and Governance: Model access control, data privacy, audit logs

  • Operational Maturity: Monitoring, logging, and troubleshooting procedures

Outlook: The Future of AI Infrastructure

Kubernetes is no longer just a platform for scaling applications; it is becoming a platform for intelligent systems. AI workloads are putting pressure on open-source infrastructure through machine-driven usage, and for sustained innovation, organizations must:

  • Contribute to open-source projects

  • Support maintainers

  • Actively participate in ecosystem sustainability

Technical Preparations

  • GPU Scheduling Optimization: Efficient GPU resource management using DRA and Kueue

  • Monitoring and Observability: Collecting AI-specific metrics including token throughput, latency, and cost

  • Security and Governance: Model access control and policy enforcement in multi-tenant environments

  • GitOps Workflow: Declarative deployment for model version management and safe rollouts

Organizational Preparations

Organizations successfully adopting AI treat Kubernetes as a strategic platform that unifies how AI is built, deployed, and operated everywhere, and through platform engineering, they will reconsider how data scientists, ML engineers, and application teams interact.

Conclusion

The increased adoption of Kubernetes for AI workloads represents far more than a technology trend; it signifies a fundamental shift in how IT infrastructure is operated. Practical engineers must now pay attention not only to technical competencies but also to building a collaborative culture at the organizational level in preparation for these changes.

In 2026 and beyond, Kubernetes will move beyond being a simple container orchestration platform to become the fundamental foundation of AI infrastructure. The gap between organizations that prepare for this and those that do not is expected to widen continuously.

This article was written with AI technology support. For more cloud-native engineering insights, visit the ManoIT Tech Blog.

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