diff --git a/docs/pages-for-subheaders/installation-requirements.md b/docs/pages-for-subheaders/installation-requirements.md index 3dd5ab7863f..df9e0185cb1 100644 --- a/docs/pages-for-subheaders/installation-requirements.md +++ b/docs/pages-for-subheaders/installation-requirements.md @@ -96,9 +96,11 @@ Please note that a highly available setup with at least 3 nodes is required for |-----------------|-----------|------------|-------|-------| | Small | Up to 150 | Up to 1500 | 4 | 16 GB | | Medium | Up to 300 | Up to 3000 | 8 | 32 GB | -| Large | Up to 500 | Up to 5000 | 16 | 64 GB | +| Large (*) | Up to 500 | Up to 5000 | 16 | 64 GB | | Larger | (†) | (†) | (†) | (†) | +(*): Large deployments require [additional tuning and following of best practices](../reference-guides/best-practices/rancher-server/tips-for-scaling-rancher.md). + (†): Depending on various factors, larger deployment sizes are generally possible with ad-hoc hardware recommendations and tuning. You can [contact Rancher](https://rancher.com/contact/) for a customized evaluation. Refer to RKE2 documentation for more detailed information on [RKE2 general requirements](https://docs.rke2.io/install/requirements). @@ -109,13 +111,15 @@ Minimum CPU and memory requirements for each individual node in the [Kubernetes Please note that a highly available setup with at least 3 nodes is required for all production usages. -| Deployment Size | Clusters | Nodes | vCPUs | RAM | External Database Host | -| --------------- | ---------- | ------------ |-------|-------|----------------------------| -| Small | Up to 150 | Up to 1500 | 4 | 16 GB | 2 vCPUs, 8 GB + 1000 IOPS | -| Medium | Up to 300 | Up to 3000 | 8 | 32 GB | 4 vCPUs, 16 GB + 2000 IOPS | -| Large | Up to 500 | Up to 5000 | 16 | 64 GB | 8 vCPUs, 32 GB + 4000 IOPS | +| Deployment Size | Clusters | Nodes | vCPUs | RAM | External Database Host (†) | +|-----------------|-----------|------------|-------|-------|----------------------------| +| Small | Up to 150 | Up to 1500 | 4 | 16 GB | 2 vCPUs, 8 GB + 1000 IOPS | +| Medium | Up to 300 | Up to 3000 | 8 | 32 GB | 4 vCPUs, 16 GB + 2000 IOPS | +| Large (*) | Up to 500 | Up to 5000 | 16 | 64 GB | 8 vCPUs, 32 GB + 4000 IOPS | -Note: External Database Host refers to the optional possibility of hosting [k3s cluster data store on an external dedicated host](https://docs.k3s.io/datastore). Exact requirements will depend on the chosen data store, this table is a guideline only. +(*): Large deployments require [additional tuning and following of best practices](../reference-guides/best-practices/rancher-server/tips-for-scaling-rancher.md). + +(†): External Database Host refers to the optional possibility of hosting [k3s cluster data store on an external dedicated host](https://docs.k3s.io/datastore). Exact requirements will depend on the chosen data store, this table is a guideline only. Refer to k3s documentation for more detailed information on [k3s general requirements](https://docs.k3s.io/installation/requirements). @@ -131,7 +135,9 @@ These requirements apply hosted Kubernetes clusters such as EKS, AKS, or GKE. Th |-----------------|-----------|------------|-------|-------| | Small | Up to 150 | Up to 1500 | 4 | 16 GB | | Medium | Up to 300 | Up to 3000 | 8 | 32 GB | -| Large | Up to 500 | Up to 5000 | 16 | 64 GB | +| Large (*) | Up to 500 | Up to 5000 | 16 | 64 GB | + +(*): Large deployments require [additional tuning and following of best practices](../reference-guides/best-practices/rancher-server/tips-for-scaling-rancher.md). ### RKE @@ -143,7 +149,9 @@ Please note that a highly available setup with at least 3 nodes is required for |-----------------|-----------|------------|-------|-------| | Small | Up to 150 | Up to 1500 | 4 | 16 GB | | Medium | Up to 300 | Up to 3000 | 8 | 32 GB | -| Large | Up to 500 | Up to 5000 | 16 | 64 GB | +| Large (*) | Up to 500 | Up to 5000 | 16 | 64 GB | + +(*): Large deployments require [additional tuning and following of best practices](../reference-guides/best-practices/rancher-server/tips-for-scaling-rancher.md). Refer to RKE documentation for more detailed information on [RKE general requirements](https://rke.docs.rancher.com/os).