在标准的Kubernetes 解决方案中有引入基础的QOS的概念。但是由于没有引入业务细分的QOS的概念,k8s只能公平对待对应QOS Level下的每一个业务。所以一定程度之上只能,根据request 做公平调度,以及基于limit做分类,如下为Kubernetes 中3中QOS分类,在系统内存,磁盘空间不够用的时候会优先淘汰 BestEffort、Burstable的资源。 Gu...
Bug -Use skywalking-kubernetes helm to deploy in k8s The following error message appears every time you start 2020-12-11 09:13:56,370 - org.apache.skywalking.oap.server.core.remote.client.RemoteClientManager -20470 [pool-5-thread-1] ERRO...
@yxxheroplease use k8s slack channel #kubeadm for questions like this, not github. the answer is that in stacked etcd topology etcd is running on the same host if can use external etcd to run etcd on different hosts https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/ha-t...
We also reviewed the implementation of Nginx Ingress and community feedback. Due to its heavy use of Lua scripts, it has a great impact on performance. The K8s Nginx Ingress community also has specific issues: https://github.com/kubernetes/ingress-nginx/issues/5658 The screenshot of the perfo...
It’s recommended to store sensitive data of cloud native applications using a built-in secrets object type rather than Kubernetes Configmaps
we had significant issues in ProxySQL, sharding, and Galera.After we compared Vitess, CockroachDB (CRDB), andTiDB, an open-source, MySQL-compatible, distributed SQL database, we found that TiDB is an optimal solution. Now, we’ve achieved database scalability with TiDB on Kubernetes ...
Thankfully,Kuberneteslets us have it both ways: RBAC for the wide strokes and a mechanism calleddynamic admission controllersfor the finer controls that are difficult or cumbersome to express with traditional RBAC rules. These admission controllers are handled by a webhook that decides what to do ...
Starting this week, we will do a series of four blogposts on the intersection of Spark with Kubernetes. The first blog post will delve into the reasons why both platforms should be integrated. The second will deep-dive into Spark/K8s integration. The third will discuss usecases for Serverless...
kubernetes架构与组件 摘要:Borg架构 在了解k8s架构之前,不得不提到Borg架构。brog是google内部的大规模集群管理架构。负责内部核心服务的调度与管理。 架构图: 组件功能介绍: BorgMaster是整个集群的大脑,负责维护整个集群的状态,并将数据持久化到Paxos存储中。 Scheduer负责任务的调度,根据 阅读全文 posted @ 2021...
Hitachi Vantara announced a new co-engineered solution with Cisco designed for Red Hat OpenShift, a hybrid cloud application platform powered by Kubernetes. Onapsis Releases Control Central February 06, 2025 Onapsis announced Onapsis Control Central for SAP application security testing and custom code se...