Jump To Close Expand all Collapse all Table of contents Scalability and performance 1. Recommended practices for installing large clusters Expand section "1. Recommended practices for installing large clusters" Collapse section "1. Recommended practices for installing large clusters" 1.1. Recommended practices for installing large scale clusters 2. Recommended host practices Expand section "2. Recommended host practices" Collapse section "2. Recommended host practices" 2.1. Recommended node host practices 2.2. Creating a KubeletConfig CRD to edit kubelet parameters 2.3. Control plane node sizing 2.4. Recommended etcd practices 2.5. Defragmenting etcd data 2.6. OpenShift Container Platform infrastructure components 2.7. Moving the monitoring solution 2.8. Moving the default registry 2.9. Moving the router 2.10. Infrastructure node sizing 2.11. Additional resources 3. Recommended cluster scaling practices Expand section "3. Recommended cluster scaling practices" Collapse section "3. Recommended cluster scaling practices" 3.1. Recommended practices for scaling the cluster 3.2. Modifying a machine set 3.3. About machine health checks Expand section "3.3. About machine health checks" Collapse section "3.3. About machine health checks" 3.3.1. MachineHealthChecks on Bare Metal 3.3.2. Limitations when deploying machine health checks 3.4. Sample MachineHealthCheck resource Expand section "3.4. Sample MachineHealthCheck resource" Collapse section "3.4. Sample MachineHealthCheck resource" 3.4.1. Short-circuiting machine health check remediation Expand section "3.4.1. Short-circuiting machine health check remediation" Collapse section "3.4.1. Short-circuiting machine health check remediation" 3.4.1.1. Setting maxUnhealthy by using an absolute value 3.4.1.2. Setting maxUnhealthy by using percentages 3.5. Creating a MachineHealthCheck resource 4. Using the Node Tuning Operator Expand section "4. Using the Node Tuning Operator" Collapse section "4. Using the Node Tuning Operator" 4.1. About the Node Tuning Operator 4.2. Accessing an example Node Tuning Operator specification 4.3. Default profiles set on a cluster 4.4. Verifying that the Tuned profiles are applied 4.5. Custom tuning specification 4.6. Custom tuning example 4.7. Supported Tuned daemon plug-ins 5. Using Cluster Loader Expand section "5. Using Cluster Loader" Collapse section "5. Using Cluster Loader" 5.1. Installing Cluster Loader 5.2. Running Cluster Loader 5.3. Configuring Cluster Loader Expand section "5.3. Configuring Cluster Loader" Collapse section "5.3. Configuring Cluster Loader" 5.3.1. Example Cluster Loader configuration file 5.3.2. Configuration fields 5.4. Known issues 6. Using CPU Manager Expand section "6. Using CPU Manager" Collapse section "6. Using CPU Manager" 6.1. Setting up CPU Manager 7. Using Topology Manager Expand section "7. Using Topology Manager" Collapse section "7. Using Topology Manager" 7.1. Topology Manager policies 7.2. Setting up Topology Manager 7.3. Pod interactions with Topology Manager policies 8. Scaling the Cluster Monitoring Operator Expand section "8. Scaling the Cluster Monitoring Operator" Collapse section "8. Scaling the Cluster Monitoring Operator" 8.1. Prometheus database storage requirements 8.2. Configuring cluster monitoring 9. Planning your environment according to object maximums Expand section "9. Planning your environment according to object maximums" Collapse section "9. Planning your environment according to object maximums" 9.1. OpenShift Container Platform tested cluster maximums for major releases 9.2. OpenShift Container Platform tested cluster maximums 9.3. OpenShift Container Platform environment and configuration on which the cluster maximums are tested 9.4. How to plan your environment according to tested cluster maximums 9.5. How to plan your environment according to application requirements 10. Optimizing storage Expand section "10. Optimizing storage" Collapse section "10. Optimizing storage" 10.1. Available persistent storage options 10.2. Recommended configurable storage technology Expand section "10.2. Recommended configurable storage technology" Collapse section "10.2. Recommended configurable storage technology" 10.2.1. Specific application storage recommendations Expand section "10.2.1. Specific application storage recommendations" Collapse section "10.2.1. Specific application storage recommendations" 10.2.1.1. Registry 10.2.1.2. Scaled registry 10.2.1.3. Metrics 10.2.1.4. Logging 10.2.1.5. Applications 10.2.2. Other specific application storage recommendations 10.3. Data storage management 11. Optimizing routing Expand section "11. Optimizing routing" Collapse section "11. Optimizing routing" 11.1. Baseline Ingress Controller (router) performance 11.2. Ingress Controller (router) performance optimizations 12. Optimizing networking Expand section "12. Optimizing networking" Collapse section "12. Optimizing networking" 12.1. Optimizing the MTU for your network 12.2. Recommended practices for installing large scale clusters 12.3. Impact of IPsec 13. What huge pages do and how they are consumed by applications Expand section "13. What huge pages do and how they are consumed by applications" Collapse section "13. What huge pages do and how they are consumed by applications" 13.1. What huge pages do 13.2. How huge pages are consumed by apps 13.3. Configuring huge pages Expand section "13.3. Configuring huge pages" Collapse section "13.3. Configuring huge pages" 13.3.1. At boot time 法律通告 Settings Close Language: 日本語 简体中文 English Language: 日本語 简体中文 English Format: Multi-page Single-page Format: Multi-page Single-page Language and Page Formatting Options Language: 日本語 简体中文 English Language: 日本語 简体中文 English Format: Multi-page Single-page Format: Multi-page Single-page 2.11. Additional resources OpenShift Container Platform cluster maximums Previous Next