K3s vs k8s vs k4s reddit If you switch k3s to etcd, the actual “lightweight”ness largely evaporates. K3s’ lightweight, fast, and self-upgraded abilities Vanilla k8s definitely comes with more overhead and you need to set up more things that just come out of the box with openshift. Use k3s for your k8s cluster and control plane. More posts you Wanna try a few k8s versions quickly, easy! Hosed your cluster and need to start over, easy! Want a blank slate to try something new, easy! Before kind I used k3s but it felt more permanent and like something I needed to tend and maintain. Currently running fresh Ubuntu 22. Standard k8s requires 3 master nodes and then client l/worker nodes. I use k3s whenever I have a single box, vanilla kubeadm or k3s join when I have multiples, but otherwise I just use the managed cloud stuff and all their quirks and special handling. I know could spend time learning manifests better, but id like to just have services up and running on the k3s. I am very familiar with Openshift 3. A couple of downsides to note: you are limited to flannel cni (no network policy support), single master node by default (etcd setup is absent but can be made possible), traefik installed by default (personally I am old-fashioned and I prefer nginx), and finally upgrading it can be quite disruptive. That's the direction the industry has taken and with reason imo. the 2 external haproxy just send port 80 and 443 to the nodeport of my k8s nodes in proxy protocol. I've run several benchmarks K3s is a lightweight, easy to install, deploy, and manage version of stock Kubernetes (K8s). Or check it out in the app stores Self Deployed k8s vs Self Deployed Nomad - oranges. Was put off microk8s since the site insists on snap for installation. The kernel comes from ubuntu 18. It is a fully fledged k8s without any compromises. But I cannot decide which distribution to use for this case: K3S and KubeEdge. - Rancher managed - In this case, Rancher uses RKE1/2 or k3s to provision the cluster. Clusters consist of a centralized control plane and multiple worker Nodes. Disclaimer: I work for Netris. I love k3s for single node solutions, I use it in CI gor PR environments, for example, but I wouldn’t wanna run a whole HA cluster with it. Does K8S or K3s has any benchmarks published in terms of scaling, K8s is the heavyweight champion for large-scale production environments, while K3s offers a nimble, resource-efficient alternative for edge computing and smaller clusters. K8s is a lot more powerful with an amazing ecosystem. P. Also openshift plugs into LDAP and makes managing rbac simpler. Eh, it can, if the alternative is running docker in a VM and you're striving for high(ish) availability. Honestly, I use the local stuff less and less because dealing K3s vs MicroK8s: Core Differences. 04 use microk8s. However K8s offers features and extensibility that allow more complex system setups, We prepared a comprehensive comparison of K0s vs K3s vs K8s, as Kubernetes has become the go-to solution for container orchestration and along with capabilities growth, various distributions have been developed to Micro PC Recommendation for k8s (or k3s) Cluster . For k8s I expect hot reload without any downtime and as far as I can tell Nginx does not provide that. See my write-up on Traefik on my wiki. I would opt for a k8s native ingress and Traefik looks good. Credit: How K3s What is K3s and how does it differ from K8s? K3s is a lighter version of the Kubernetes distribution tool, developed by Rancher Labs, and is a completely CNCF (Cloud Native Computing Deep dive arch and capabilities differences between K8S & K3S, which one to prefer when. Agreed with “why choose unmanaged”, But K3s is K8s it isn't an alternative. With self managed below 9 nodes I would probably use k3s as long as ha is not a hard requirement. How do you manage docker without K8s, since containers are ephemeral. Advertise on Reddit; Shop Collectible Avatars; I'm in the same boat with Proxmox machines (different resources, however) and wanting to set up a kubernetes type deployment to learn and self host. harbor registry, with ingress enabled, domain name: harbor. Rising as a prominent contender in the field of sleek and proficient Kubernetes architectures, K3s is a creation nurtured by Rancher Labs. The changes in k3s definitely reduce the memory footprint of binaries like kubelet. I recently deployed k3s with a postgres db as the config store and r/kubernetes A chip A close button. The "web" console is just a helm that deploy in your cluster if you want a fancy administration or to help you manage multiple clusters/clouds in k8s. K3s is a lightweight certified kubernetes distribution. K0s vs K3s vs K8s: What are the differences? K0s, K3s, and K8s are three different orchestration systems used to deploy and manage containers. Eventually they both run k8s it’s just the packaging of how the distro is delivered. Log In / Sign Up; Comparing resource consumption on k0s vs K3s vs Microk8s so after that you calculate for the K8s and pods, so less No real value in using k8s (k3s, rancher, etc) in a single node setup. k3s vs microk8s vs k0s and thoughts about their future I need a replacement for Docker Swarm. io Open. the haproxy ingress controller in k8s accept proxy protocol and terminates the tls. You could use it with k8s (or k3s) just as well as any other distro that supports docker, as long as you want to use docker! K3OS runs more like a traditional OS. Plus k8s@home went defunct. Is there a better way? I find it hard how anyone can deploy a single docker container without K8s. If skills are not an important factor than go with what you enjoy more. The hand-holding did get annoying to me personally with GCP after a while though, since I was already pretty familiar with k8s. In Chinese, k8s may be usually pronounced as /kei ba es/, k3s may be usually pronounced as /kei san es/. I have both K8S clusters and swarm clusters. And in case of problems with your applications, you should know how to debug K8S. When it comes to k3s outside or the master node the overhead is non existent. We are Using k3s on our edge app, and it is use as production. My problem is it seems a lot of services i want to use like nginx manager are not in the helmcharts repo. It also has k3s built in. K3s are easy to use and that bodes well for the k4 but I don’t want to wait for which worked well, but now nothing. I run traefik as my reverse proxy / ingress on swarm. ” To be honest even for CI/CD can be use as production. (Plus biggest win is 0 to CF or full repave of CF in 15 minutes on k8s instead of the hours it can take presently) K3s & MetalLB vs Kube-VIP IP Address handling . I don't think there's a good reason not to put your serverless functions on K8s, but some functions perhaps cost so little to keep as Lambdas that it would be impractical to move them all, because the savings will be so little, and the opportunity cost of moving the long tail of those functions K7s K6s Q9o K5s Q7s K4s J7s Q6s T7s K3s Q5s K2s Q4s J6s 76s T6s Q3s 96s J5s Q2s J4s 65s 75s J7o J3s T7o T5s 95s 97o T4s J2s 54s Q5o 64s T3s 74s T2s 76o 94s T6o 53s 96o 93s J5o 63s 43s 92s 65o 52s 95o 42s 54o T4o 32s Coin Flips: 55-60% QJs QTs QJo Q9s QTo J9s T9s JTo J9o T9o 97s: 50-55% JTs K8s K8o: 45-50% 77 66 55 44 33 22: 40-45% A7s A5s A6s I've written a guide series where I detail how I turned a low-end consumer grade old PC into a little but rather capable homelab running a K3s Kubernetes cluster. Reply reply MiniKube. Table of contents of the Small If you want to get skills with k8s, then you can really start with k3s; it doesn't take a lot of resources, you can deploy through helm/etc and use cert-manager and nginx-ingress, and at some point you can move to the full k8s version with ready infrastructure for that. Or Minikube vs kind vs k3s - What should I use? brennerm. K3s is going to be a lot lighter on resources and quicker than anything that runs on a VM. 04 or 20. More posts you may like. maintain and role new versions, also helm and k8s in general. Both seem suitable for edge computing, KubeEdge has slightly more features but the documentation is not straightforward and it doesn't have as many resources as K3S. You still need to know how K8S works at some levels to make efficient use of it. If you have use of k8s knowledge in work or want to start using AWS etc, you should learn it. Most recently used kind, and used minikube before that. Tbh I don't see why one would want to use swarm instead. With k3s you get the benefit of a light kubernetes and should be able to get 6 small nodes for all your apps with your cpu count. 17 because of volume resizing issue with do now. No, it is not a fork of Kubernetes. The first thing I would point out is that we run vanilla Kubernetes. you might want to also consider Netris. local metallb, ARP, IP address pool only one IP: master node IP F5 nginx ingress controller load balancer external IP is set to the IP provided by metallb, i. I'd say it's better to first learn it before moving to k8s. In English, k8s might be pronounced as /keits/? Unveiling the Kubernetes Distros Side by Side: K0s, K3s, microk8s, and Minikube ⚔️ I took this self-imposed challenge to compare the installation process of these distros, and I'm excited to share the results with you. Minikube is much better than it was, having Docker support is a big win, and the new docs site looks lovely. Primarily for the learning aspect and wanting to eventually go on to k8s. Which complicates things. It also has a hardened mode which enables cis hardened profiles. With EKS you have to put in more time to build out all the pieces (though they are starting to include some "add-ons" out of the box). Initially I did normal k8s but while it was way way heavier that k3s I cannot remember how much. Get the Reddit app Scan this QR code to download the app now. A single vm with k3s is great Reply reply Top 2% Rank by size . Log In / Sign Up; Note that as long as you respect the k8s API you can use whatever you want , for ex k3s uses SQLite. There is more options for cni with rke2. I have a couple of dev clusters running this by-product of rancher/rke. MiniKube is usually the first Kubernetes technology found when someone wants to begin (Kubernetes official documentation offers a tutorial to deploy your first cluster using miniKube). The okd UI vs k8s dashboard for example. While all three of these so i came to conclusion of three - k0s, k3s or k8s and now it is like either k3s or k8s to add i am looking for a dynamic way to add clusters without EKS & by using automation such as ansible, vagrant, terraform, plumio as you are k8s operator, why did you choose k8s over k3s? what is easiest way to generate a cluster. For local development of an application (requiring multiple services), looking for opinions on current kind vs minikube vs docker-compose. If you look for an immediate ARM k8s use k3s on a raspberry or alike. So then I was maintaining my own helm charts. It also is fully API compatible with Kubernetes so you could use it in a dev environment or low capacity production environment (low resource hardware). Prod: managed cloud kubernetes preferable but where that is unsuitable either k3s or terraform+kubeadm. It is evident that both K3s and K8s have their advantages and disadvantages which make them uniquely different from each other, while on the face of it, it may seem that they are two similar Digital ocean managed k8s offering in 1. We ask that you please take a minute to read through the rules and check out the resources provided before creating a post, especially if you are new here. It auto-updates your cluster, comes with a set of easy to enable plugins such as dns, storage, ingress, metallb, etc. But that was a long time ago. I'm either going to continue with K3s in lxc, or rewrite to automate through vm, or push I've been using single node K3S setup in production (very small web apps) for a while now, and all working great. With Talos you still get the simplified/easy Kubernetes with a superior OS to run it on out of the box. Well, I wanted to learn the basics of Kubernetes for resume material. It is a very simple to install k8s allows you to coordinate MANY containers in different computers, using MANY YAML files. Too much work. K3S seems more straightforward and more similar to actual Kubernetes. as you might know service type nodePort is the Same as type loadBalancer(but without the call to However, unlike k8s, there is no “unabbreviated” word form of k3s. S. In our testing, Kubernetes seems to perform well on the 2gb board. Observation: Both k8s and CF have container autoscaling built in, so that's just a different way of doing it in my opinion. Having experimented with k8s for home usage for a long time now my favorite setup is to use proxmox on all hardware. 127K subscribers in the kubernetes community. Tools like Rancher make k8s much easier to set up and manage than it used to be. Expand user menu Open settings menu. My reasoning for this statement it's that there is a lot of infrastructure that's not currently applying all the DevOps/SRE best practices so switching to K3s (with some of the infrastructure still being brittle ) is still a better move than without K3s. Get app Get the Reddit app Log In Log in to Reddit. rke2 is built with same supervisor logic as k3s but runs all control plane components as static pods. At least the non-root containers part is default. KinD is my go-to and just works, they have also Docker is a lot easier and quicker to understand if you don't really know the concepts. 5, I kind of really like the UI and it helps to discover feature and then you can get back to kubectl to get more comfy. At the beginning of this year, I liked Ubuntu's microk8s a lot, it was easy to setup and worked flawlessly with everything (such as traefik); I liked also k3s UX and concepts but I remember that at the end I couldn't get anything to work properly with k3s. Features: K8s: K3s: Performance: K8s’ performance is a general-purpose, high-scale application, and its distribution. 22 votes, 47 comments. of the host VM. Pick your poison, though if you deploy to K8S on your servers, it makes senses to also use a local K8S cluster in your developer machine to minimize the difference. x and Id say it is much more developer friendly vs k8s . “designed for production workloads in unattended, resource-constrained, remote locations or inside IoT appliances. k8s vs k3s vs k0s; What is Kubernetes? Kubernetes is an open-source system for deploying and operating containers. For Kubernetes on Bare metal, here's a comparison on K3s vs Talos K3s 4 the win. I have only tried swarm briefly before moving to k8s. dev comments sorted by Best Top New Controversial Q&A Add a Comment. It firmly sets itself against MicroK8s, a progressive offering from I recently deployed k3s with a postgres db as the config store and r/kubernetes A chip A close button. But really digital ocean has so good offering I love them. My take on docker swarm is that its only benefit over K8s is that its simpler for users, especially if users already have experience with only with docker. For a homelab you can stick to docker swarm. I was just hoping with this post, to find an OS that would let me worry more about learning Rancher and Kubernetes without stressing so much about security, updates, etc. I have moderate experience with EKS (Last one being converting a multi ec2 docker compose deployment to a multi tenant EKS cluster) But for my app, EKS seems like overkill, Sure thing. Although K3s is a refined version of Kubernetes (the upstream version), it does not change how Kubernetes works at its core. k3s/k8s is great. Are you aware of a good ( recent) comparison of pcf Vs k8s ? Three years ago my organisation decided to make PCF a strategic choice and has pumped a lot of investment s in that space but less than 40 percent of systems run there in our data centers. 04LTS on amd64. Nginx is very capable, but it fits a bit awkwardly into k8s because it comes from a time when text configuration was adequate, the new normal is API driven config, at least ingresses. I’d been debating the 7300 Vs the 7610, and wanted something that Alternatively, we haven't taken the time to see how K8s can be used for any serverless projects. Every single one of my containers is stateful. I can't really decide which option to chose, full k8s, microk8s or k3s. . K3S is legit. i tried kops but api I had a full HA K3S setup with metallb, and longhorn but in the end I just blew it all away and I, just using docker stacks. earthly. Rancher RKE/RKE2 are K8s distribution. k3s is also distributed as a dependency-free, single binary. K3s and all of these actually Another benefit of K3s is how easily you'll have a reverse proxy setup. I use k8s for the structure it provides, not for the scalability features. That is not k3s vs microk8s comparison. But imo doesnt make too much sense to put it on top of another cluster (proxmox). Our goal is to I led a project for 2 years putting k8s binaries on memory constrained devices. 04, and the user-space is repackaged from alpine. This subreddit has gone Restricted and reference-only as part of a mass protest against Reddit's recent API changes, harbor registry, with ingress enabled, domain name: harbor. ai as a k8s physical load balancer. rke2 is a production grade k8s. So, if you want a fault tolerant HA control plane, you want to configure k3s to use an external sql backend oretcd. I create the vms using terrafrom so I can take up a new Saw in the tutorial mentioned earlier about Longhorn for K3s, seems to be a good solution. Don t use minikube or kind for learning k8s. It's a lot more complicated than docker-compose, but also much more powerful. , and provision VMs on your behalf, then lay RKE1/2 or k3s on top of those VMs. Need Help quad core vs dual core Better performance in general The unofficial but officially recognized Reddit community discussing the latest LinusTechTips, TechQuickie and other Get app Get the Reddit app Log In Log in to Reddit. Honestly, I use the local stuff less and less because dealing I signed up for AWS over a year ago, I played around a bit (not sure if I ever played around with their K8s service) So I essentially just wasted the free 1 year of most things. K3s has Traefik built-in, so all you need to do is configure a certificate resolver like Let's Encrypt and create an Ingress for the services you want to expose. The middle number 8 and 3 is pronounced in Chinese. In particular, I need deployments without downtimes, being more reliable than Swarm, stuff like Traefik (which doesn't exist for Docker Swarm I have migrated from dockerswarm to k3s. So there's a good chance that K8S admin work is needed at some levels in many companies. local k8s dashboard, host: with ingress enabled, domain name: dashboard. While not a native resource like K8S, traefik runs in a container and I point DNS to the traefik container IP. K3s obvisously does some optimizations here, but we feel that the tradeoff here is that you get upstream Kubernetes, and with Talos' efficiency you make up for where K8s is heavier. It helps engineers achieve a close approximation of production infrastructure while only needing One thing that might help answer your question of "why is this not default in k8s?" Podman was developed by Red Hat originally and these things are default in their version of k8s (OpenShift). For home use, are there any significant benefits of running k3s rather than full k8s? I read about k3s being less hungry on resources but my control plane node runs on N100 with 16GB RAM Since k3s is a fork of K8s, it will naturally take longer to get security fixes. It was my impression previously that minikube was only supported running under / bringing up a VM. Rancher can also use node drivers to connect to your VMware, AWS, Azure, GCP, etc. github. I know k8s Ultimately, choosing between K3s and K8s depends on your specific requirements, resource availability, and operational goals. Best I can measure the overhead is around half of one Cpu and memory is highly dependent but no more than a few hundred MBs But just that K3s might indeed be a legit production tool for so many uses cases for which k8s is overkill. Welcome to Reddit's own amateur (ham) radio club. Would probably still use minikube for single node work though. I'm trying to setup Kubernetes on my home server (s). Rancher K3s is also a K8s distribution but just with the minimum that you need and in a light way. By understanding the strengths and differences of If anything you could try rke2 as a replacement for k3s. k3d vs k3s vs kind vs microk8s vs minikube : a comprehensive guide to choose for local Kubernetes development !! Kubernetes inherently forces you to structure and organize your code in a very minimal manner. Observation: Working with Kubernetes for such a long time, I'm just curious about how everyone pronounces the abbreviation k8s and k3s in different languages?. Log In / Sign Up; Advertise on Reddit; Shop Collectible Avatars; Distributions like k3s make getting up and running comparatively easy, so I think there’s not too much harm in it even if it’s technically overkill. Google won't help you with your applications at all and their code. k3s is very good and can be run on most distros. Virtualization is more ram intensive than cpu. K3s vs K8s . k3s. e the master node IP. K3s is a certified Kubernetes distribution. It is a very simple to install Nginx is very capable, but it fits a bit awkwardly into k8s because it comes from a time when text configuration was adequate, the new normal is API driven config, at least ingresses. But actual high availability is not important is what I mean. We are Reddit's primary hub for all things modding, from troubleshooting for beginners to creation of mods by experts. [AWS] EKS vs Self managed HA k3s running on 1x2 ec2 machines, for medium production workload Wer'e trying to move our workload from processes running in AWS pambda + EC2s to kubernetes. Though k8s can do vertical autoscaling of the container as well, which is another aspect on the roadmap in cf-for-k8s. Homelab: k3s. It seems like a next step to me in docker (also I'm an IT tech guy who wants to learn) but also then want to run it at home to get a really good feeling with it Someone messaged me on OpenFaaS Slack in the contributors channel :-) . For running containers, doing it on a single node under k8s, it's a ton of overhead for zero value gain. Kubernetes discussion, news, support, and link sharing. Below I leave a link to its table of contents. An upside of rke2: the control plane is Differences between K3s and K8s: While K3s is compatible with Kubernetes and supports most Kubernetes APIs and features, there are several key differences that set it In case you want to use k3s for the edge or IoT applications, it is already production ready. can do that stuff but with View community ranking In the Top 20% of largest communities on Reddit. If you are looking to learn the k8s platform, a single node isn't going to help you learn much. r/kubernetes • Good-Bye Kris Nóva Get app Get the Reddit app Log In Log in to Reddit. Single master k3s with many nodes, one vm per physical machine. People often incorrectly assume that there is some intrinsic link So it can't add nodes, do k8s upgrades, etcd backups, etc. I have used k3s in hetzner dedicated servers and eks, eks is nice but the pricing is awful, for tight budgets for sure k3s is nice, keep also in mind that k3s is k8s with some services like trafik already installed with helm, for me also deploying stacks with helmfile and argocd is very easy to. The control plane is responsible for managing K3s would be great for learning how to be a consumer of kubernetes which sounds like what you are trying to do. Reply reply Can someone please enlighten me? What are the benefits of k3s vs k8s with kubeadm? Also, by looking at k3s, I peak at the docs for Rancher 2. As a note you can run ingress on swarm. If you have an Ubuntu 18. You can do everything k8s does plus the weird stuff, like GPU, RDMA, etc We are Reddit's primary hub for all things modding, from troubleshooting for beginners to creation of mods by experts. I'm now looking at a fairly bigger setup that will start with a single node (bare metal) and slowly grow to other nodes (all bare metal), and was wondering if anyone had experiences with K3S/MicroK8s they could share. tyuwmefj dcjn nwtzb fescqz bktghoz jgxg uewdmf iicecs oxfln soxx lqktjf iwsa qfflif oevdw div