Scenario
Users can classify hosts within a cluster service based on different grouping criteria. All hosts within a configuration group share a common set of configurations.
Procedure
1. Log in to the YI-MapReduce management console.
2. Click on My Cluster and choose a running cluster to enter the cluster information page.
3. Click the YI-MapReduce Manager tab, and then select Go to YI-MapReduce Manager.
4. Upon entering the YI-MapReduce Manager, click Cluster Service on the menu to go to the cluster service list.
5. Choose the specific cluster service. Click on the cluster service name to enter the cluster service details page.
6. Click the Configuration Management tab.
7. Click on Add Configuration Group to go to the add configuration group page.
8. Choose the grouping method as needed, select the host, and click the Save button at the bottom right corner.
As shown in the figure:
² Note:
• When the grouping method is "All", "By Component Role", "By Instance Group", or "By Host Configuration", the configuration group name is predefined and cannot be changed.
• When the grouping method is "Single Host", you need to select the host to be grouped. The configuration group name is the name of the selected host and cannot be changed.
• When the grouping method is "Custom", you need to select the host to be grouped. The configuration group name can be customized but must not be the same as other configuration group names.