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| # Service |
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| ## Add a Service |
| This section describes how to add a service. |
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| First, it should be clear that the installation entry for Infra Stack services is different from that of Bigtop/Extra Stack services. Infra Stack services are installed via the **Infrastructure** entry: |
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| While Bigtop/Extra Stack services are installed via the **Cluster** entry: |
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| The services displayed differ by entry. Below, we use the ZooKeeper service in the Bigtop Stack as an example for explanation. |
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| ### Select Services |
| On this page, users can select the service we want to install. Each service has a **License** icon in the upper right corner: |
| * **Green**: Indicates the license is compatible with the Apache License. |
| * **Red**: Indicates license incompatibility. For such services, installation will default to downloading from the official website, user-configured repository will be inactive. Currently incompatible services include MySQL and Grafana in the Infra Stack. |
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| ### Assign Components |
| Users need to assign components to hosts, switch components via the left sidebar: |
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| ### Configure Service |
| Users can modify service configurations here: |
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| ### Service Overview |
| Users can verify if the assigned components and configurations are correct. If not, return to the previous step to make changes: |
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| ### Install |
| Finally, users only need to wait for the service to be added successfully. If it fails, resolve the issues and retry: |
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