Cloudera Manager Admin Console
Cloudera Manager Admin Console is the web-based interface that you use to configure, manage, and monitor Cloudera Runtime.
- Search - Supports searching for services, roles, hosts, configuration properties, and commands. You can enter a partial string and a drop-down list with up to sixteen entities that match will display.
- Services - Display individual services,
and the Cloudera Management Service. In these pages you can:
- View the status and other details of a service instance or the role instances associated with the service
- Make configuration changes to a service instance, a role, or a specific role instance
- Add and delete a service or role
- Stop, start, or restart a service or role.
- View the commands that have been run for a service or a role
- View an audit event history
- Deploy and download client configurations
- Decommission and recommission role instances
- Enter or exit maintenance mode
- Perform actions unique to a specific type of service. For
- Enable HDFS high availability or NameNode federation
- Run the HDFS Balancer
- Create HBase, Hive, and Sqoop directories
- Cloudera Manager Management Service - Manage and monitor the Cloudera Manager Management Service. This includes the following roles: Activity Monitor, Alert Publisher, Event Server, Host Monitor, Navigator Audit Server, Navigator Metadata Server, Reports Manager, and Service Monitor.
- Hosts - Displays the hosts in the cluster.
- Reports - Create reports about the HDFS, MapReduce, YARN, and Impala usage and browse HDFS files, and manage quotas for HDFS directories.
- Utilization Report - Opens the Cluster Utilization Report. displays aggregated utilization information for YARN and Impala jobs.
- MapReduce_service_name Jobs - Query information about MapReduce jobs running on your cluster.
- YARN_service_name Applications - Query information about YARN applications running on your cluster.
- Impala_service_name Queries - Query information about Impala queries running on your cluster.
- Dynamic Resource Pools - Manage dynamic allocation of cluster resources to YARN and Impala services by specifying the relative weights of named pools.
- Static Service Pools - Manage static allocation of cluster resources to HBase, HDFS, Impala, MapReduce, and YARN services.
- Services - Display individual services, and the Cloudera Management Service. In these pages you can:
- Hosts - Display the hosts managed by
- All Hosts - Displays a list of manage hosts in the cluster.
- Add Hosts - Launches the Add Hosts wizard.
- Parcels - Displays parcels available in the cluster and allows you to download, distribute, and activate new parcels.
- Hosts Configuration - Opens the Hosts Configuration page where you can configure hosts and specify overrides for globally-configured properties for one or more hosts.
- Roles - Displays the roles deployed on each host.
- Host Templates - Create and manage Host Templates, which define sets of role groups that can be used to easily expand a cluster.
- Disks Overview - Displays the status of all disks in the cluster.
- View the status and a variety of detail metrics about individual hosts
- Make configuration changes for host monitoring
- View all the processes running on a host
- Run the Host Inspector
- Add and delete hosts
- Create and manage host templates
- Manage parcels
- Decommission and recommission hosts
- Make rack assignments
- Run the host upgrade wizard
- Diagnostics - Review logs, events, and
alerts to diagnose problems. The subpages are:
- Events - Search for and displaying events and alerts that have occurred.
- Logs - Search logs by service, role, host, and search phrase as well as log level (severity).
- Server Log -Display the Cloudera Manager Server log.
- Audits - Query and filter audit events across clusters, including logins, across clusters.
- Charts - Query for metrics of interest, display them as charts, and display personalized chart dashboards.
- Replication - Manage replication schedules and snapshot policies.
- Administration -
Administer Cloudera Manager. The subpages are:
- Settings - Configure Cloudera Manager.
- Alerts - Display when alerts will be generated, configure alert recipients, and send test alert email.
- Users & Roles - Manage Cloudera Manager users and their assigned roles, and sessions.
- Security - Generate Kerberos credentials and inspect hosts.
- License - Manage Cloudera licenses.
- Language - Set the language used for the content of activity events, health events, and alert email messages.
- External Accounts - Configure connectivity from cloud services to Cloudera Manager.
- Parcels Opens the Parcels page where you can view the status of installed and available parcels.
- Recent Commands Indicator - displays the status commands currently or recently running for all services or roles.
- Support - Displays various support actions. The subcommands
- Send Diagnostic Data - Sends data to Cloudera Support to support troubleshooting.
- Support Portal (Cloudera Enterprise) - Displays the Cloudera Support portal.
- Scheduled Diagnostics: Weekly - Configure the frequency of automatically collecting diagnostic data and sending to Cloudera support.
- The following links open the latest documentation on the
Cloudera web site:
- Installation Guide
- API Documentation
- API Explorer (Cloudera Manager Swagger interface)
- Release Notes
- About - Version number and build details of Cloudera Manager and the current date and time stamp of the Cloudera Manager server.
- Logged-in User Menu - The currently logged-in user. The
- My Profile - Displays the role and login information for the current user.
- Change Password - Change the password of the currently logged in user.
Cloudera Manager Admin Console Home Page
When you start the Cloudera Manager Admin Console, thetab displays. You can also go to the tab by clicking the Cloudera Manager logo in the top navigation bar.
The Status tab has two potential views: Table View and Classic View. The Classic View contains a set of charts for the selected cluster, while the Table View separates regular clusters, compute clusters, and other services into summary tables. You can use the Switch to Table View and Switch to Classic View links on each view to switch between the two views. Cloudera Manager remembers which view you select and remains in that view.
The Status tab contains:
- Clusters - The clusters being managed
by Cloudera Manager. Each cluster is displayed either in summary
form or in full form depending on the configuration of the
When the number of clusters exceeds the value of the property, only
cluster summary information displays.
- Summary Form - A list of links to cluster status pages. Click Customize to jump to the property.
- Full Form - A separate section for each cluster
containing a link to the cluster status page and a table containing links to the Hosts page
and the status pages of the services running in the
cluster.Each service row in the table has a menu of actions that you select by clicking the Actions Menu () and can contain one or more of the following indicators:
Indicator Meaning Description Health issue Indicates that the service has at least one health issue. The indicator shows the number of health issues at the highest severity level. If there are Bad health test results, the indicator is red. If there are no Bad health test results, but Concerning test results exist, then the indicator is yellow. No indicator is shown if there are no Bad or Concerning health test results.
Click the indicator to display the Health Issues pop-up dialog box.
By default only Bad health test results are shown in the dialog box. To display Concerning health test results, click the Also show n concerning issue(s) link.Click the link to display the Status page containing with details about the health test result.
Configuration issue Indicates that the service has at least one configuration issue. The indicator shows the number of configuration issues at the highest severity level. If there are configuration errors, the indicator is red. If there are no errors but configuration warnings exist, then the indicator is yellow. No indicator is shown if there are no configuration notifications.
Click the indicator to display the Configuration Issues pop-up dialog box.
By default only notifications at the Error severity level are listed, grouped by service name are shown in the dialog box. To display Warning notifications, click the Also show n warning(s) link.Click the message associated with an error or warning to be taken to the configuration property for which the notification has been issued where you can address the issue.
Configuration modified Indicates that at least one of a service's roles is running with a configuration that does not match the current configuration settings in Cloudera Manager.
Click the indicator to display the Stale Configurations page.To bring the cluster up-to-date, click the Refresh or Restart button on the Stale Configurations page. You can also Refresh or Restart, the cluster or restart the services.
Client configuration redeployment required Indicates that the client configuration for a service should be redeployed.
Click the indicator to display the Stale Configurations page. To bring the cluster up-to-date, click the Deploy Client Configuration button on the Stale Configurations page or manually redeploy the client configuration.
- Cloudera Management Service - A table containing a link to the Cloudera Manager Service. The Cloudera Manager Service has a menu of actions that you select by clicking .
- Charts - A set of charts
(dashboards) that summarize resource utilization (IO, CPU usage)
and processing metrics.
Click a line, stack area, scatter, or bar chart to expand it into a full-page view with a legend for the individual charted entities as well more fine-grained axes divisions.
By default the time scale of a dashboard is 30 minutes. To change the time scale, click a duration link at the top-right of the dashboard.To set the dashboard type, click and select one of the following:
- Custom - displays a custom dashboard.
- Default - displays a default dashboard.
- Reset - resets the custom dashboard to the predefined set of charts, discarding any customizations.
All Health Issues
Displays all health issues by cluster. The number badge has the same semantics as the per service health issues reported on the Status tab.
- By default only Bad health test results are shown in the dialog box. To display Concerning health test results, click the Also show n concerning issue(s) link.
- To group the health test results by entity or health test, click the buttons on the Organize by Entity/Organize by Health Test switch.
- Click the link to display the Status page containing with details about the health test result.
All Configuration Issues
Displays all configuration issues by cluster. The number badge has the same semantics as the per service configuration issues reported on the Status tab. By default only notifications at the Error severity level are listed, grouped by service name are shown in the dialog box. To display Warning notifications, click the Also show n warning(s) link. Click the message associated with an error or warning to be taken to the configuration property for which the notification has been issued where you can address the issue.
All Recent Commands
Displays all commands run recently across the clusters. A badge indicates how many recent commands are still running. Click the command link to display details about the command and child commands.
Displaying the Cloudera Manager Server Version and Server Time
- Open the Cloudera Manager Admin Console.
- Select .
For security purposes, Cloudera Manager automatically logs out a user session after 30 minutes. You can change this session logout period.
- Click .
- Click .
- Edit the Session Timeout property.
- Enter a Reason for change, and then
click Save Changes to commit the
changes.When the timeout is one minute from triggering, the user sees the following message:If the user does not click the mouse or press a key, the user is logged out of the session and the following message appears: