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Kubernetes Swap and etcd Stability: Preventing Control Plane Hangs When enabling swap on Kubernetes nodes, you might encounter a critical issue where misbehaving containers don’t get killed automatically. When this affects etcd, the API server generating ex...

⚠️ NEW: Kubernetes Swap & etcd Stability!

Prevent control plane hangs with proper swap configuration. etcd performance tuning & swapfile best practices for production K8s.

📖 Read: devopstales.github.io/kubernetes/k...

#Kubernetes #etcd #Performance #SRE #K8s

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Kubernetes Swap and etcd Stability: Preventing Control Plane Hangs When enabling swap on Kubernetes nodes, you might encounter a critical issue where misbehaving containers don’t get killed automatically. When this affects etcd, the API server generating ex...

Swap on K8s nodes? Containers hang instead of OOM-killing—etcd suffers, control plane cascades. 2 fixes: resource limits + etcd HAProxy LB. Protect your cluster! 👇
devopstales.github.io/kubernetes/k...
#Kubernetes #etcd #SRE #DevOps #CloudNative #Stability

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Original post on mstdn.dk

Finally completed the upgrade of all of the five @midgaard #Kubernetes nodes to what I colloquially refer to as midgaard-v3.

Same standard #Hetzner nodes with a couple of #NVMe sticks and around 10TB of spinning metal for bulk storage. Much simplified partition layout. NVMes used for caching […]

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etcd: The Cluster Maestro etcd: the 20 MB key-value store that keeps Kubernetes—and every cloud-native cluster—consistent, highly available and fast.

etcd is the cluster’s heartbeat: 20 MB that keep K8s, locks & services in sync. What’s your 3 A.M. etcd war story?
#etcd
open.substack.com/pub/pythonli...

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13万节点!Google 如何打破 Kubernetes 的物理极限,构建全球最大集群 - Tony Bai 本文永久链接 - https://tonybai.com/2025/11/26/how-google-built-a-130000-node-k8s-cluster 大家好,我是Tony Bai。 Kubernetes 的官方支持上限通常被认为是 5,000 到 15,000 节点。然而,在 AI 时代的算力军

13万节点!Google 如何打破 Kubernetes 的物理极限,构建全球最大集群 本文永久链接 – tonybai.com/2025/11/26/how-google-bu... 大家好,...

#技术志 #AI #AllorNothing #AnywhereCache #apiserver #Btree #ConsistentReads #etcd #GangScheduling #GCS #GCSFUSE

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The Orchestration Arms Race: How Google Cloud Shattered Kubernetes Limits to Power the AI Era Google Cloud has expanded GKE cluster capacity to 130,000 nodes, shattering previous Kubernetes limits....

#KubernetesPro #AI #infrastructure #Cloud #Computing #Etcd […]

[Original post on webpronews.com]

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Diving into Kubernetes' Watch Cache Understanding how Kubernetes apiserver caches etcd, the 3-second timeout, and K8s 1.34 consistent read feature

🤔 Have you ever wondered how #kubernetes caches #etcd?

✍️ I just published a new deep-dive into K8s watch cache: per-resource Cachers, waitUntilFreshAndBlock(), and progress notifications for quiet resources.

pierrezemb.fr/posts/diving...

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Compelling session today by Marek Siarkowicz using Antithesis deterministic simulation to help improve #etcd robustness.

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А кто у вас отвечает за kube-api? Безопасность Kubernetes при помощи CIS Benchmark Kubernetes в IT-инфраструктуре — это не просто ...

#selectel #kubernetes #managed #kubernetes #настройка #kube #etcd #mastermind #worker #policy #control

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А кто у вас отвечает за kube-api? Безопасность Kubernetes при помощи CIS Benchmark Kubernetes в IT-инфраструктуре — это не просто ...

#selectel #kubernetes #managed #kubernetes #настройка #kube #etcd #mastermind #worker #policy #control

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Raft is production-ready. Etcd (Kubernetes' storage) and HashiCorp use it. Nomad, Vault, CockroachDB and other modern SQL DBs rely on Raft for consistency across instances. Consistency comes at a cost. #Databases #Raft #DistributedSystems #Etcd #Kubernetes

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A screenshot from Github. A change bumps the etcd v3 client from 3.5.22 to 3.5.24, and that involves bumping Go to 1.24.

A screenshot from Github. A change bumps the etcd v3 client from 3.5.22 to 3.5.24, and that involves bumping Go to 1.24.

One of the main things that annoy me in the #Golang package ecosystem. A patch update of a dependency brings in a requirement of a new compiler version. What are the chances that #etcd folks sincerely believe they're following semver?

The reason given is […]

[Original post on mastodon.online]

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[Translation] Kubernetes кластер на миллион узлов. Обзор проекта k8s-1m Команда Go for Devs подготовила перевод k8s-1m — кейса о т...

#go #golang #kubernetes #k8s #etcd #ipv6 #scheduler #optimization #performance #scaling

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一个 Kubernetes 集群的“珠峰攀登”:从 10 万到 100 万节点的极限探索 - Tony Bai 本文永久链接 - https://tonybai.com/2025/10/20/k8s-1m-intro 大家好,我是Tony Bai。 在云原生的世界里,Kubernetes 集群的规模,如同一座待征服的高峰。业界巨头 AWS 已将旗帜插在了 10 万节点的高度,这曾被

一个 Kubernetes 集群的“珠峰攀登”:从 10 万到 100 万节点的极限探索 本文永久链接 – https://tonybai.com/2025/10/20/k8s-1m-intro 大家好,我是Tony Bai。 在云原...

#技术志 #apiserver #AWS #B-Tree #CPU绑定 #etcd #fsync #GC调优 #GitOps #Go #GOGC

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A core challenge for massive K8s clusters is etcd, its distributed key-value store. It becomes a significant bottleneck, impacting both scalability and performance as node counts soar, pushing the system's limits. #etcd 2/7

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Original post on mstdn.dk

I've been doing things I shouldn't with #Kubernetes. We're using a replicated #MinIO cluster as the storage backend on #mstdndk, which requires a boat load of storage, especially if you forget to specify any kind of retention. So far, the quick workaround for a full disk, was just to expand the […]

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“自立程序员宣言”解读:这不就是我们一直在说的Go语言哲学吗? - Tony Bai 本文永久链接 - https://tonybai.com/2025/09/26/self-reliant-programmer 大家好,我是Tony Bai。 “当代多数软件,对其用户而言是一种耻辱。” 最近,一篇措辞激烈、观点鲜明的《自立程序员宣言》(Self-Relian

“自立程序员宣言”解读:这不就是我们一直在说的Go语言哲学吗? 本文永久链接 – https://tonybai.com/2025/09/26/self-reliant-programmer 大家好,我是Tony Bai。...

#技术志 #Alittlecopyingisbetterthanalittledependency #BatteriesIncluded #Cgo #CI #Clearisbetterthanclever #DNA #docker #etcd #Go #Golang

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@rudyfraser.com @blackskyweb.xyz
👋🏾 🏳️‍🌈🏳️‍⚧️💻 📱 ⚡️ ✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾✊🏾

#letsworktogether #tech #strategy #cooperative #opencollective #IYKYK #etcd

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How to Scale Kubernetes Without etcd Sharding Is your Kubernetes cluster slowing down under load? etcd doesn’t scale well with multi-tenancy or 30k+ objects. This blog shows how virtual clusters offer an easier, safer way to isolate tenants and s...

Hitting etcd limits as your Kubernetes clusters scale?

This blog breaks down why sharding isn’t the answer, and how virtual clusters offer isolated control planes without the complexity.

👉 www.loft.sh/blog/scale-k...

#vCluster #Kubernetes #etcd #DevOps #MultiTenancy #CloudNative

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[Перевод] etcd в Kubernetes: разбираемся с задержками Эта статья будет полезна DevOps-инженерам, SRE-специалистам и всем...

#etcd #отказоустойчивость #kubernetes #k8s #базы #данных #администрирование #штурвал

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DNS-хаос, зомби-поды и майнеры в кластере: самые невероятные случаи при работе с Kubernetes Kubernetes — мощный и одновр...

#kubernetes #dns #майнеры #зомби-поды #cni #kube-dns #sticky-сессии #etcd #argo #cd #инциденты

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#AWS #AmazonEKS #ArtificialIntelligence #MachineLearning #UltraScale #Infrastructure #Trainium #Accelerators #NVIDIA #GPUs #FoundationModel #Training #Finetuning #Inference #AnthropicClaude #AmazonNova #OpenSource #Kubernetes #etcd #containerd #Karpenter #AmazonVPCCNI #AmazonCSIDrivers #EKSAddons

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So now I have unroutable messages in #RabbitMQ for the first time ever, and other weird as #fuck other network glitches. Like the spike in the graph only showing up after 40 seconds instead of right away. Often #ETCD leader changes, so terraforming updates it going to be fun.

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[Перевод] Как мог бы выглядеть Kubernetes 2.0 В сообществе наделала шума свежая статья о том, каким мог бы быть Kuberne...

#kubernetes #etcd #ipv6 #yaml #hcl #kine #контейнеры #helm

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