{"id":3416,"date":"2026-08-03T16:00:00","date_gmt":"2026-08-03T16:00:00","guid":{"rendered":"https:\/\/futurenews24.com\/index.php\/2026\/08\/03\/how-to-run-isolated-tenant-kubernetes-clusters-on-shared-gpu-infrastructure\/"},"modified":"2026-08-07T13:59:05","modified_gmt":"2026-08-07T13:59:05","slug":"how-to-run-isolated-tenant-kubernetes-clusters-on-shared-gpu-infrastructure","status":"publish","type":"post","link":"https:\/\/futurenews24.com\/index.php\/2026\/08\/03\/how-to-run-isolated-tenant-kubernetes-clusters-on-shared-gpu-infrastructure\/","title":{"rendered":"The way to Run Remoted Tenant Kubernetes Clusters on Shared GPU Infrastructure"},"content":{"rendered":"<p><br \/>\n<\/p>\n<div>\n<p class=\"wp-block-paragraph\">Working a devoted Kubernetes cluster per crew typically ends in extra isolation than a company requires. Whereas one cluster may be efficiently shared throughout many groups, the coordination prices enhance because the variety of groups grows. Challenges embrace conflicting CRD variations, overlapping RBAC, and no clear method to carve GPU capability into team-level budgets. At a sure scale, groups would possibly begin asking for their very own clusters simply to regain autonomy.<\/p>\n<p class=\"wp-block-paragraph\">This publish offers a sample that preserves crew autonomy with out splitting the {hardware}. This answer entails a single management aircraft cluster with a GPU pool, GPU sharing with per-team quotas, and remoted Kubernetes management aircraft per crew together with an API server, controller, knowledge retailer, syncer, and scheduler. This may be achieved utilizing two open supply instruments: KAI Scheduler and vCluster.\u00a0<\/p>\n<p class=\"wp-block-paragraph\">Comply with together with the tutorial steps and also you\u2019ll have three groups operating actual GPU Kubernetes pods in their very own tenant clusters, all sharing a single bodily GPU. You\u2019ll additionally be capable to confirm that every crew solely sees their very own workloads.<\/p>\n<h2 id=\"tutorial_prerequisites_and_notes\" class=\"wp-block-heading\">Tutorial conditions and notes<\/h2>\n<p class=\"wp-block-paragraph\">To maintain the method reproducible for customers which have restricted sources, this tutorial makes use of a cluster with one NVIDIA L40S GPU and three groups sharing fractions of it. This makes the transferring components simple to see and check out. The method works the identical means on a bigger cluster with tons of of GPU nodes and dozens of groups. You possibly can scale the node pool, the queue hierarchy, and the variety of tenant clusters.\u00a0<\/p>\n<p class=\"wp-block-paragraph\">KAI Scheduler is a strong, environment friendly, and scalable topology-aware Kubernetes scheduler that was purpose-built for optimizing GPU useful resource allocation for AI workloads. It\u2019s designed to handle large-scale GPU clusters, together with hundreds of nodes, and a excessive throughput of workloads. With KAI Scheduler, you possibly can dynamically allocate GPU sources to workloads. It may run alongside the default kube-scheduler. Any pod with schedulerName: kai-scheduler is dealt with by KAI Scheduler. Every thing else goes by means of the standard kube-scheduler course of.\u00a0<\/p>\n<p class=\"wp-block-paragraph\">The vCluster Kubernetes platform provisions absolutely remoted tenant clusters in your infrastructure or instantly on naked steel. Every tenant cluster will get its personal API server, customized useful resource definitions (CRDs), and role-based entry management (RBAC), indistinguishable from a devoted Kubernetes cluster, whereas sharing the underlying nodes and {hardware}. The virtualized management aircraft is invisible to tenants: no shared management aircraft nodes, no in-cluster agent pods, and no lateral path between environments. That makes vCluster a pure match for GPU infrastructure the place groups want their very own clear cluster expertise with out splitting the {hardware}.<\/p>\n<p class=\"wp-block-paragraph\">The vCluster shared-nodes mannequin is used for this tutorial, so groups share the GPU node whereas every will get its personal remoted management aircraft, the suitable match for trusted inner groups. For untrusted tenants needing node-, network-, and storage-level separation, the identical sample extends to vCluster personal nodes.<\/p>\n<p class=\"wp-block-paragraph\">The instance on this publish makes use of three groups: NLP Group, Imaginative and prescient Group, and Recommender System Group. The NLP Group needs to put in their very own CRDs. The Imaginative and prescient Group needs cluster-admin to debug scheduling. The Recommender Group is on a unique Kubeflow model. No one needs to share a kubectl context and unintentionally break each other\u2019s environments.<\/p>\n<p class=\"wp-block-paragraph\">Utilizing vCluster, every crew will get their very own remoted management aircraft, RBAC, namespaces, and CRDs. They will every have cluster-admin entry. Beneath, all tenant clusters share the identical nodes and GPUs.<\/p>\n<h3 id=\"demo_environment\" class=\"wp-block-heading\">Demo setting<\/h3>\n<p class=\"wp-block-paragraph\">This demo runs on an NVIDIA Brev GPU occasion on Nebius with:<\/p>\n<p>One NVIDIA L40S, 40 vCPUs, 160 GiB RAM, 256 GiB disk (48 GB VRAM)<\/p>\n<p>Ubuntu 24.04.4 LTS<\/p>\n<p>MicroK8s v1.36.2 \u2013 Kubernetes was preconfigured by Brev, together with the MicroK8s gpu addon, which pre-installs the NVIDIA GPU Operator into the gpu-operator-resources namespace<\/p>\n<p>KAI Scheduler v0.16.4<\/p>\n<p>vCluster CLI 0.35.1<\/p>\n<p class=\"wp-block-paragraph\">Notice: For various setups, the cluster-creation and GPU Operator set up steps will differ on GKE\/EKS\/AKS\/vanilla k8s\/k3s. Step 3 (KAI Scheduler) onward is an identical on any Kubernetes that has the NVIDIA GPU Operator operating with Container Machine Interface (CDI) enabled.<\/p>\n<div class=\"wp-block-image\">\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a75e4a8a79b4&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a75e4a8a79b4\" class=\"aligncenter size-full wp-lightbox-container\"><img decoding=\"async\" width=\"7087\" height=\"3831\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1.webp\" alt=\"Diagram of a single Nebius host cluster where three tenant virtual clusters (Team NLP, Team Vision, and Team Recommender) each run their own API server and RBAC, use schedulerName kai-scheduler, request gpu-fraction 0.33 and bind to team-specific queues. Virtual pods flow through a vCluster syncer layer that maps them to host pods while keeping KAI labels and annotations. Host scheduling is done by KAI Scheduler, then the NVIDIA GPU Operator in CDI mode and the device plugin expose GPUs that are time-sliced so one physical NVIDIA GPU is shared by all three teams.&#10;\" class=\"wp-image-120680\" srcset=\"https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1.webp 7087w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-179x97.jpg 179w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-300x162.jpg 300w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-768x415.jpg 768w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-625x338.jpg 625w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-1536x830.jpg 1536w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-2048x1107.jpg 2048w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-645x349.jpg 645w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-500x270.jpg 500w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-160x86.jpg 160w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-362x196.jpg 362w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-203x110.jpg 203w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-1024x554.jpg 1024w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-960x519.jpg 960w\" sizes=\"(max-width: 7087px) 100vw, 7087px\"\/><img loading=\"lazy\" decoding=\"async\" width=\"7087\" height=\"3831\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1.webp\" alt=\"Diagram of a single Nebius host cluster where three tenant virtual clusters (Team NLP, Team Vision, and Team Recommender) each run their own API server and RBAC, use schedulerName kai-scheduler, request gpu-fraction 0.33 and bind to team-specific queues. Virtual pods flow through a vCluster syncer layer that maps them to host pods while keeping KAI labels and annotations. Host scheduling is done by KAI Scheduler, then the NVIDIA GPU Operator in CDI mode and the device plugin expose GPUs that are time-sliced so one physical NVIDIA GPU is shared by all three teams.&#10;\" class=\"lazyload wp-image-120680\" srcset=\"https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1.webp 7087w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-179x97.jpg 179w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-300x162.jpg 300w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-768x415.jpg 768w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-625x338.jpg 625w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-1536x830.jpg 1536w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-2048x1107.jpg 2048w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-645x349.jpg 645w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-500x270.jpg 500w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-160x86.jpg 160w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-362x196.jpg 362w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-203x110.jpg 203w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-1024x554.jpg 1024w, https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-vcluster-architecture-1-960x519.jpg 960w\" data-sizes=\"(max-width: 7087px) 100vw, 7087px\"\/><figcaption class=\"wp-element-caption\">Determine 1. KAI Scheduler and vCluster structure on a shared Nebius host cluster<\/figcaption><\/figure>\n<\/div>\n<p class=\"wp-block-paragraph\">Set up standalone kubectl and helm to keep away from prefixing each command with microk8s. Then wire up a kubeconfig and pin MicroK8s so snap doesn\u2019t auto-upgrade the management aircraft in the course of the demo.<\/p>\n<div class=\"wp-block-syntaxhighlighter-code \">\nsudo snap refresh &#8211;hold microk8s<\/p>\n<p>sudo snap set up kubectl &#8211;classic &#8211;channel=1.35\/secure<br \/>\nsudo snap set up helm &#8211;classic<\/p>\n<p>mkdir -p ~\/.kube<br \/>\nsudo microk8s config &gt; ~\/.kube\/config<br \/>\nsudo chown $USER:$USER ~\/.kube\/config<br \/>\nchmod 600 ~\/.kube\/config\n<\/p><\/div>\n<p class=\"wp-block-paragraph\">Subsequent, be certain the required MicroK8s addons are enabled:<\/p>\n<div class=\"wp-block-syntaxhighlighter-code \">\nmicrok8s allow dns<br \/>\nmicrok8s allow hostpath-storage    # vCluster wants PVCs\n<\/div>\n<p class=\"wp-block-paragraph\">Then confirm:\u00a0<\/p>\n<div class=\"wp-block-syntaxhighlighter-code \">\nkubectl get nodes -o huge<br \/>\nkubectl get storageclass\n<\/div>\n<div class=\"wp-block-syntaxhighlighter-code \">\nNAME             STATUS   ROLES    AGE   VERSION   INTERNAL-IP   EXTERNAL-IP   OS-IMAGE             KERNEL-VERSION                CONTAINER-RUNTIME<br \/>\nbrev-8dq0cch1j   Prepared       57d   v1.36.2   10.0.0.20             Ubuntu 24.04.4 LTS   6.11.0-1016-nvidia (amd64)   containerd:\/\/2.2.3<\/p>\n<p>NAME                          PROVISIONER            RECLAIMPOLICY   VOLUMEBINDINGMODE      ALLOWVOLUMEEXPANSION   AGE<br \/>\nmicrok8s-hostpath (default)   microk8s.io\/hostpath   Delete          WaitForFirstConsumer   false                  20m\n<\/p><\/div>\n<h2 id=\"step_2_add_the_helm_repo\u00a0\" class=\"wp-block-heading\">Step 2: Add the Helm repo\u00a0<\/h2>\n<p class=\"wp-block-paragraph\">Add the NVIDIA Helm repo:<\/p>\n<div class=\"wp-block-syntaxhighlighter-code \">\nhelm repo add nvidia https:\/\/helm.ngc.nvidia.com\/nvidia<br \/>\nhelm repo replace\n<\/div>\n<h2 id=\"step_3_confirm_the_gpu_operator\" class=\"wp-block-heading\">Step 3: Verify the GPU Operator<\/h2>\n<div class=\"wp-block-syntaxhighlighter-code \">\nkubectl get pods -n gpu-operator-resources\n<\/div>\n<div class=\"wp-block-syntaxhighlighter-code \">\nNAME                                                         READY   STATUS      RESTARTS   AGE<br \/>\ngpu-feature-discovery-wpcjm                                  1\/1     Working     0          8m<br \/>\ngpu-operator-57d75775c8-npjzz                                1\/1     Working     0          9m<br \/>\ngpu-operator-node-feature-discovery-&#8230;                      1\/1     Working     0          9m<br \/>\nnvidia-container-toolkit-daemonset-ft4hb                     1\/1     Working     0          8m<br \/>\nnvidia-cuda-validator-8vqdv                                  0\/1     Accomplished   0          8m<br \/>\nnvidia-device-plugin-daemonset-l6fj6                         1\/1     Working     0          8m<br \/>\nnvidia-operator-validator-cdnmj                              1\/1     Working     0          8m\n<\/div>\n<p class=\"wp-block-paragraph\">In case you\u2019re utilizing an older GPU Operator, improve in place to 26.3.x:<\/p>\n<div class=\"wp-block-syntaxhighlighter-code \">\nhelm improve gpu-operator nvidia\/gpu-operator<br \/>\n   -n gpu-operator-resources<br \/>\n   &#8211;version v26.3.3<br \/>\n   &#8211;reset-then-reuse-values\n<\/div>\n<p class=\"wp-block-paragraph\">If wanted, set up NVIDIA GPU Operator instantly:<\/p>\n<div class=\"wp-block-syntaxhighlighter-code \">\nhelm set up gpu-operator nvidia\/gpu-operator<br \/>\n    -n gpu-operator-resources &#8211;create-namespace<br \/>\n    &#8211;version v26.3.3<br \/>\n    &#8211;set driver.enabled=false<br \/>\n    &#8211;set operator.defaultRuntime=containerd<br \/>\n    &#8211;set toolkit.env[0].identify=CONTAINERD_CONFIG<br \/>\n    &#8211;set toolkit.env[0].worth=\/var\/snap\/microk8s\/present\/args\/containerd.toml<br \/>\n    &#8211;set toolkit.env[1].identify=CONTAINERD_SOCKET<br \/>\n    &#8211;set toolkit.env[1].worth=\/var\/snap\/microk8s\/widespread\/run\/containerd.sock<br \/>\n    &#8211;set-string toolkit.env[2].identify=CONTAINERD_SET_AS_DEFAULT<br \/>\n    &#8211;set-string toolkit.env[2].worth=1\n<\/div>\n<h2 id=\"step_4_install_kai_scheduler\" class=\"wp-block-heading\">Step 4: Set up KAI Scheduler<\/h2>\n<p class=\"wp-block-paragraph\">Subsequent, set up the KAI Scheduler:<\/p>\n<div class=\"wp-block-syntaxhighlighter-code \">\nhelm improve -i kai-scheduler<br \/>\n  oci:\/\/ghcr.io\/kai-scheduler\/kai-scheduler\/kai-scheduler<br \/>\n  -n kai-scheduler &#8211;create-namespace<br \/>\n  &#8211;version v0.16.4<br \/>\n  &#8211;set &#8220;international.gpuSharing=true&#8221;\n<\/div>\n<p class=\"wp-block-paragraph\">Then confirm:<\/p>\n<div class=\"wp-block-syntaxhighlighter-code \">\nkubectl get pods -n kai-scheduler\n<\/div>\n<div class=\"wp-block-syntaxhighlighter-code \">\nNAME                                     READY   STATUS    RESTARTS   AGE<br \/>\nadmission-57556f949-sp98t                1\/1     Working   0          47s<br \/>\nbinder-66785d8dd9-9frgk                  1\/1     Working   0          46s<br \/>\nkai-operator-6fdf595c4d-292d7            1\/1     Working   0          52s<br \/>\nkai-scheduler-default-6bb667b767-vq2q4   1\/1     Working   0          46s<br \/>\npod-grouper-84dfc7759b-v5qtb             1\/1     Working   0          47s<br \/>\npodgroup-controller-5878f48dbb-v7wcn     1\/1     Working   0          47s<br \/>\nqueue-controller-7796bb8984-hdn5r        1\/1     Working   0          46s\n<\/div>\n<h2 id=\"step_5_define_team_queues\" class=\"wp-block-heading\">Step 5: Outline crew queues<\/h2>\n<p class=\"wp-block-paragraph\">KAI Scheduler makes use of a Queue CRD to mannequin an org \u2192 crew hierarchy. This step entails creating one mother or father (ml-org, with a complete funds of 1 GPU) and three youngster queues. Every is assured 0.33 of the GPU and allowed to extend to the total GPU when others are idle.\u00a0<\/p>\n<p class=\"wp-block-paragraph\">Save the next as create-queues.yaml:<\/p>\n<div class=\"wp-block-syntaxhighlighter-code \">\napiVersion: scheduling.run.ai\/v2<br \/>\nform: Queue<br \/>\nmetadata:<br \/>\n  identify: ml-org<br \/>\nspec:<br \/>\n  sources:<br \/>\n    gpu: { quota: 1, restrict: -1, overQuotaWeight: 1 }<br \/>\n&#8212;<br \/>\napiVersion: scheduling.run.ai\/v2<br \/>\nform: Queue<br \/>\nmetadata:<br \/>\n  identify: team-nlp<br \/>\nspec:<br \/>\n  parentQueue: ml-org<br \/>\n  precedence: 100<br \/>\n  sources:<br \/>\n    gpu: { quota: 0.33, restrict: 1, overQuotaWeight: 1 }<br \/>\n&#8212;<br \/>\napiVersion: scheduling.run.ai\/v2<br \/>\nform: Queue<br \/>\nmetadata:<br \/>\n  identify: team-vision<br \/>\nspec:<br \/>\n  parentQueue: ml-org<br \/>\n  precedence: 100<br \/>\n  sources:<br \/>\n    gpu: { quota: 0.33, restrict: 1, overQuotaWeight: 1 }<br \/>\n&#8212;<br \/>\napiVersion: scheduling.run.ai\/v2<br \/>\nform: Queue<br \/>\nmetadata:<br \/>\n  identify: team-recommender<br \/>\nspec:<br \/>\n  parentQueue: ml-org<br \/>\n  precedence: 100<br \/>\n  sources:<br \/>\n    gpu: { quota: 0.33, restrict: 1, overQuotaWeight: 1 }\n<\/div>\n<p class=\"wp-block-paragraph\">Right here, quota is the assured minimal, restrict is the utmost allowed, and overQuotaWeight controls how surplus is break up.<\/p>\n<p class=\"wp-block-paragraph\">Subsequent, apply and record:<\/p>\n<div class=\"wp-block-syntaxhighlighter-code \">\nkubectl apply -f create-queues.yaml<br \/>\nkubectl get queues\n<\/div>\n<div class=\"wp-block-syntaxhighlighter-code \">\nqueue.scheduling.run.ai\/ml-org created<br \/>\nqueue.scheduling.run.ai\/team-nlp created<br \/>\nqueue.scheduling.run.ai\/team-vision created<br \/>\nqueue.scheduling.run.ai\/team-recommender created<\/p>\n<p>NAME                   PRIORITY   PARENT                 CHILDREN                                        DISPLAYNAME<br \/>\ndefault-parent-queue                                     [&#8220;default-queue&#8221;]<br \/>\ndefault-queue                     default-parent-queue<br \/>\nml-org                                                   [&#8220;team-nlp&#8221;,&#8221;team-vision&#8221;,&#8221;team-recommender&#8221;]<br \/>\nteam-nlp               100        ml-org<br \/>\nteam-recommender       100        ml-org<br \/>\nteam-vision            100        ml-org\n<\/p><\/div>\n<p class=\"wp-block-paragraph\">Notice that default-parent-queue and default-queue are created mechanically by KAI Scheduler on first set up. They&#8217;re the fallback queue for any pod that doesn\u2019t specify one.<\/p>\n<h2 id=\"step_6_spin_up_a_vcluster_per_team\" class=\"wp-block-heading\">Step 6: Spin up a vCluster per crew<\/h2>\n<p class=\"wp-block-paragraph\">Subsequent, set up the vCluster CLI:<\/p>\n<div class=\"wp-block-syntaxhighlighter-code \">\ncurl -L -o vcluster &#8220;https:\/\/github.com\/loft-sh\/vcluster\/releases\/newest\/obtain\/vcluster-linux-amd64&#8221;<br \/>\nsudo set up -m 755 vcluster \/usr\/native\/bin\/vcluster<br \/>\nrm vcluster<br \/>\nvcluster &#8211;version\n<\/div>\n<p class=\"wp-block-paragraph\">Outline the vCluster config. The crucial setting is setOwner: false. The KAI Scheduler pod-grouper walks possession chains (Job \u2192 Pod, Deployment \u2192 ReplicaSet \u2192 Pod) to auto-group workloads. Disabling vCluster proprietor rewriting permits KAI Scheduler to see the actual hierarchy.<\/p>\n<div class=\"wp-block-syntaxhighlighter-code \">\ncat &gt; vcluster.yaml &lt;&lt;&#8216;EOF&#8217;<br \/>\nexperimental:<br \/>\n  syncSettings:<br \/>\n    setOwner: false <\/p>\n<p>sync:<br \/>\n  fromHost:<br \/>\n    nodes:<br \/>\n      enabled: true<br \/>\n      selector:<br \/>\n        all: true<br \/>\nEOF\n<\/p><\/div>\n<p class=\"wp-block-paragraph\">Then create one vCluster per crew:<\/p>\n<div class=\"wp-block-syntaxhighlighter-code \">\nvcluster create team-nlp          &#8211;values vcluster.yaml &#8211;connect=false<br \/>\nvcluster create team-vision       &#8211;values vcluster.yaml &#8211;connect=false<br \/>\nvcluster create team-recommender  &#8211;values vcluster.yaml &#8211;connect=false\n<\/div>\n<p class=\"wp-block-paragraph\">Confirm that every one three vClusters are operating:<\/p>\n<div class=\"wp-block-syntaxhighlighter-code \">\n        NAME       |         NAMESPACE         | STATUS  | VERSION | CONNECTED | AGE<br \/>\n  &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-+&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;+&#8212;&#8212;&#8212;+&#8212;&#8212;&#8212;+&#8212;&#8212;&#8212;&#8211;+&#8212;&#8212;-<br \/>\n    team-nlp         | vcluster-team-nlp         | Working | 0.35.1  |           | 102s<br \/>\n    team-recommender | vcluster-team-recommender | Working | 0.35.1  |           | 88s<br \/>\n    team-vision      | vcluster-team-vision      | Working | 0.35.1  |           | 93s\n<\/div>\n<p class=\"wp-block-paragraph\">Every crew sees the actual nodes, together with the GPU node:<\/p>\n<div class=\"wp-block-syntaxhighlighter-code \">\nvcluster join team-nlp &#8212; kubectl get nodes\n<\/div>\n<div class=\"wp-block-syntaxhighlighter-code \">\n19:09:22 accomplished vCluster is up and operating<br \/>\nNAME             STATUS   ROLES    AGE     VERSION<br \/>\nbrev-8dq0cch1j   Prepared       6m20s   v1.36.2\n<\/div>\n<h2 id=\"step_7_deploy_a_workload_from_each_team\" class=\"wp-block-heading\">Step 7: Deploy a workload from every crew<\/h2>\n<p class=\"wp-block-paragraph\">Every crew deploys their GPU workload from their very own vCluster. The pod spec is straightforward, with three fields telling KAI Scheduler what to do:<\/p>\n<div class=\"wp-block-syntaxhighlighter-code \">\nvcluster join team-nlp &#8212; kubectl apply -f &#8211; &lt;&lt;&#8216;EOF&#8217;<br \/>\napiVersion: v1<br \/>\nform: Pod<br \/>\nmetadata:<br \/>\n  identify: nlp-sentiment-model<br \/>\n  labels:<br \/>\n    kai.scheduler\/queue: team-nlp # Which crew<br \/>\n  annotations:<br \/>\n    gpu-fraction: &#8220;0.33&#8221;          # How a lot GPU<br \/>\nspec:<br \/>\n  schedulerName: kai-scheduler.   # Use KAI, not default<br \/>\n  tolerations:<br \/>\n    &#8211; key: nvidia.com\/gpu<br \/>\n      operator: Exists<br \/>\n      impact: NoSchedule<br \/>\n  containers:<br \/>\n    &#8211; identify: nlp-inference<br \/>\n      picture: nvidia\/cuda:12.4.0-base-ubuntu22.04<br \/>\n      command: [&#8220;bash&#8221;, &#8220;-c&#8221;, &#8220;nvidia-smi; sleep infinity&#8221;]<br \/>\n  nodeSelector:<br \/>\n    nvidia.com\/gpu.current: &#8220;true&#8221;<br \/>\nEOF\n<\/div>\n<div class=\"wp-block-syntaxhighlighter-code \">\n19:13:34 accomplished vCluster is up and operating<br \/>\npod\/nlp-sentiment-model created\n<\/div>\n<p class=\"wp-block-paragraph\">Do the identical to deploy from every crew, altering the queue identify.\u00a0<\/p>\n<p class=\"wp-block-paragraph\">Now, confirm:<\/p>\n<div class=\"wp-block-syntaxhighlighter-code \">\nNAMESPACE                   NAME                                             READY   STATUS    RESTARTS   AGE    IP             NODE<br \/>\nvcluster-team-nlp           nlp-sentiment-model-x-default-x-team-nlp         1\/1     Working   0          110s   10.1.171.180   brev-8dq0cch1j<br \/>\nvcluster-team-recommender   recommender-model-x-default-x-team-recommender   1\/1     Working   0          6s     10.1.171.187   brev-8dq0cch1j<br \/>\nvcluster-team-vision        vision-classifier-model-x-default-x-team-vision  1\/1     Working   0          14s    10.1.171.145   brev-8dq0cch1j\n<\/div>\n<p class=\"wp-block-paragraph\">Three pods, three totally different vcluster-team-* namespaces, all operating on the identical bodily node brev-8dq0cch1j.\u00a0<\/p>\n<p class=\"wp-block-paragraph\">Every crew sees solely their very own pod from inside their vCluster:<\/p>\n<div class=\"wp-block-syntaxhighlighter-code \">\nvcluster join team-nlp         &#8212; kubectl get pods -o huge<br \/>\nvcluster join team-vision      &#8212; kubectl get pods -o huge<br \/>\nvcluster join team-recommender &#8212; kubectl get pods -o huge\n<\/div>\n<div class=\"wp-block-syntaxhighlighter-code \">\nNAME                  READY   STATUS    RESTARTS   AGE     IP             NODE             NOMINATED NODE   READINESS GATES<br \/>\nnlp-sentiment-model   1\/1     Working   0          3m11s   10.1.171.180   brev-8dq0cch1j              <\/p>\n<p>NAME                      READY   STATUS    RESTARTS   AGE     IP             NODE             NOMINATED NODE   READINESS GATES<br \/>\nvision-classifier-model   1\/1     Working   0          3m59s   10.1.171.145   brev-8dq0cch1j              <\/p>\n<p>NAME                READY   STATUS    RESTARTS   AGE     IP             NODE             NOMINATED NODE   READINESS GATES<br \/>\nrecommender-model   1\/1     Working   0          2m45s   10.1.171.187   brev-8dq0cch1j\n<\/p><\/div>\n<p class=\"wp-block-paragraph\">Lastly, the queue confirms the allocation. You possibly can test all three on the identical time:<\/p>\n<div class=\"wp-block-syntaxhighlighter-code \">\nkubectl describe queue team-nlp         | grep -A4 Standing<br \/>\nkubectl describe queue team-vision      | grep -A4 Standing<br \/>\nkubectl describe queue team-recommender | grep -A4 Standing\n<\/div>\n<p class=\"wp-block-paragraph\">You will note the identical end result for all:<\/p>\n<div class=\"wp-block-syntaxhighlighter-code \">\nStanding:<br \/>\n  Allotted:<br \/>\n    nvidia.com\/gpu:  330m<br \/>\n  Requested:<br \/>\n    nvidia.com\/gpu:  330m\n<\/div>\n<p class=\"wp-block-paragraph\">Notice that KAI Scheduler handles scheduling\u2014which pods land on which GPU and in what quantity. It doesn&#8217;t implement GPU reminiscence isolation on the {hardware} degree when GPU sharing is used. Functions have to respect their reminiscence quantity (for instance, setting \u2013gpu-memory-utilization in vLLM).<\/p>\n<p class=\"wp-block-paragraph\">Beneath the hood, the GPU time-slices between CUDA contexts from every pod at kernel boundaries. For laborious reminiscence isolation on supported {hardware}, NVIDIA Multi-Occasion GPU (MIG) offers hardware-level partitioning, which may be scheduled by KAI Scheduler as nicely.<\/p>\n<h2 id=\"get_started_running_isolated_tenant_kubernetes_clusters\" class=\"wp-block-heading\">Get began operating remoted tenant Kubernetes clusters<\/h2>\n<p class=\"wp-block-paragraph\">KAI Scheduler decides pretty who will get GPU slices and schedules them as a gaggle utilizing GPU sharing and DRA Driver assist, hierarchical queues with assured quotas plus over-quota capabilities, gang scheduling, and topology consciousness. As soon as AI workload scheduling is solved, groups need their very own clusters. vCluster offers every crew its personal remoted Kubernetes management aircraft with out the price of separate infrastructure.\u00a0<\/p>\n<p class=\"wp-block-paragraph\">Collectively, KAI Scheduler and vCluster present a devoted cluster expertise for 3 groups with zero waste on a single GPU. The reply isn\u2019t at all times extra GPUs, however higher utilization of infrastructure.<\/p>\n<p class=\"wp-block-paragraph\">Able to get began? Try KAI Scheduler, vCluster, and NVIDIA GPU Operator on GitHub.<\/p>\n<p class=\"wp-block-paragraph\">Study extra about KAI Scheduler and vCluster integration at KubeCon 2026 North America, November 9-12.\u00a0<\/p>\n<\/div>\n<p><br \/>\n<br \/><a href=\"https:\/\/developer.nvidia.com\/blog\/how-to-run-isolated-tenant-kubernetes-clusters-on-shared-gpu-infrastructure\/\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Working a devoted Kubernetes cluster per crew typically ends in extra isolation than a company requires. Whereas one cluster may be efficiently shared throughout many groups, the coordination prices enhance because the variety of groups grows. Challenges embrace conflicting CRD variations, overlapping RBAC, and no clear method to carve GPU capability into team-level budgets. At [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3418,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/developer-blogs.nvidia.com\/wp-content\/uploads\/2026\/07\/kai-scheduler-representation.webp","fifu_image_alt":"","jnews-multi-image_gallery":[],"jnews_single_post":[],"jnews_primary_category":[],"jnews_override_bookmark_settings":[],"jnews_social_meta":[],"jnews_override_counter":[],"footnotes":""},"categories":[3],"tags":[3158,3557,439,117,352,316,3805,3804],"class_list":["post-3416","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai-platforms-apps","tag-clusters","tag-gpu","tag-infrastructure","tag-isolated","tag-kubernetes","tag-run","tag-shared","tag-tenant"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>The way to Run Remoted Tenant Kubernetes Clusters on Shared GPU Infrastructure - Future News 24<\/title>\n<meta name=\"description\" content=\"Running a dedicated Kubernetes cluster per team often results in more isolation than an organization requires. 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