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  1. Pod Priority and Preemption | Kubernetes

    FEATURE STATE: Kubernetes v1.14 [stable] Pods can have priority. Priority indicates the importance of a Pod relative to other Pods. If a Pod cannot be scheduled, the scheduler tries to preempt (evict) lower priority Pods to make scheduling of the pending Pod possible. Warning: In a cluster where not all users are trusted, a malicious user could create Pods at the highest possible priorities, causing other Pods to be evicted/not get scheduled.
    Registered: 2021-05-10 07:43
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  2. Configure Out of Resource Handling | Kubernetes

    This page explains how to configure out of resource handling with kubelet. The kubelet needs to preserve node stability when available compute resources are low. This is especially important when dealing with incompressible compute resources, such as memory or disk space. If such resources are exhausted, nodes become unstable. Eviction Signals The kubelet supports eviction decisions based on the signals described in the following table. The value of each signal is described in the Description column, which is based on the kubelet summary API.
    Registered: 2021-05-17 07:59
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  3. Logging Using Stackdriver | Kubernetes

    Before reading this page, it's highly recommended to familiarize yourself with the overview of logging in Kubernetes. Note: By default, Stackdriver logging collects only your container's standard output and standard error streams. To collect any logs your application writes to a file (for example), see the sidecar approach in the Kubernetes logging overview. Deploying To ingest logs, you must deploy the Stackdriver Logging agent to each node in your cluster.
    Registered: 2021-06-02 08:16
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  4. Set up a High Availability etcd cluster with ku...

    Note: While kubeadm is being used as the management tool for external etcd nodes in this guide, please note that kubeadm does not plan to support certificate rotation or upgrades for such nodes. The long term plan is to empower the tool etcdadm to manage these aspects. Kubeadm defaults to running a single member etcd cluster in a static pod managed by the kubelet on the control plane node. This is not a high availability setup as the etcd cluster contains only one member and cannot sustain any members becoming unavailable.
    Registered: 2021-06-14 07:45
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  5. Validate node setup | Kubernetes

    Node Conformance Test Node conformance test is a containerized test framework that provides a system verification and functionality test for a node. The test validates whether the node meets the minimum requirements for Kubernetes; a node that passes the test is qualified to join a Kubernetes cluster. Node Prerequisite To run node conformance test, a node must satisfy the same prerequisites as a standard Kubernetes node. At a minimum, the node should have the following daemons installed:
    Registered: 2021-06-14 07:44
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  6. Kubernetes Documentation | Kubernetes

    Kubernetes is an open source container orchestration engine for automating deployment, scaling, and management of containerized applications. The open source project is hosted by the Cloud Native Computing Foundation.
    Registered: 2021-06-14 07:41
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  7. Configuring each kubelet in your cluster using ...

    FEATURE STATE: Kubernetes v1.11 [stable] The lifecycle of the kubeadm CLI tool is decoupled from the kubelet, which is a daemon that runs on each node within the Kubernetes cluster. The kubeadm CLI tool is executed by the user when Kubernetes is initialized or upgraded, whereas the kubelet is always running in the background. Since the kubelet is a daemon, it needs to be maintained by some kind of an init system or service manager.
    Registered: 2021-06-14 07:43
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  8. Certificate Management with kubeadm | Kubernetes

    FEATURE STATE: Kubernetes v1.15 [stable] Client certificates generated by kubeadm expire after 1 year. This page explains how to manage certificate renewals with kubeadm. Before you begin You should be familiar with PKI certificates and requirements in Kubernetes. Using custom certificates By default, kubeadm generates all the certificates needed for a cluster to run. You can override this behavior by providing your own certificates. To do so, you must place them in whatever directory is specified by the --cert-dir flag or the certificatesDir field of kubeadm's ClusterConfiguration.
    Registered: 2021-06-14 07:52
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  9. Upgrading kubeadm clusters | Kubernetes

    This page explains how to upgrade a Kubernetes cluster created with kubeadm from version 1.20.x to version 1.21.x, and from version 1.21.x to 1.21.y (where y > x). Skipping MINOR versions when upgrading is unsupported. To see information about upgrading clusters created using older versions of kubeadm, please refer to following pages instead: Upgrading a kubeadm cluster from 1.19 to 1.20 Upgrading a kubeadm cluster from 1.18 to 1.19 Upgrading a kubeadm cluster from 1.
    Registered: 2021-06-14 07:52
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  10. Garbage Collection | Kubernetes

    The role of the Kubernetes garbage collector is to delete certain objects that once had an owner, but no longer have an owner. Owners and dependents Some Kubernetes objects are owners of other objects. For example, a ReplicaSet is the owner of a set of Pods. The owned objects are called dependents of the owner object. Every dependent object has a metadata.ownerReferences field that points to the owning object. Sometimes, Kubernetes sets the value of ownerReference automatically.
    Registered: 2021-06-14 07:47
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