Service actions
ADCM UI provides actions to manage ADCM services. These actions are available on the Services page. To open this page, go to the CLUSTERS tab, click an ADQM cluster, and select Services in the left-side menu.
The Services page contains a table with the following columns:
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Name — service name.
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Version — service version.
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State — the current state of the service (for example,
createdorinstalled). -
Status. When you click the Status icon
, a browser opens the Status page of the service menu where you can view statuses of all components of the service. The icon image changes depending on the current state of the service. If the service does not work correctly, the Status warning 
icon is displayed. -
Actions. When you click the Actions icon
, the drop-down list offers actions to manage the service. A set of actions depends on the service type.
Actions available for all services:-
Install (if a service state is
created) — installs a service. -
Restart — stops and then starts a service.
-
Start — starts a service.
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Stop — stops a service.
Service-specific actions:ADQMDB-
Check — checks whether the settings of hosts, components, and related services match the requirements of the ADQMDB service, and whether the service itself works correctly.
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Add Server(s) — installs the Clickhouse Server component on more hosts.
When you select this action, ADCM opens the Run an action dialog where you can add new hosts (use
to the right of Hosts) and add the Clickhouse Server component to these hosts.
Adding the Clickhouse Server component to hosts -
Add JDBC Bridge — installs the Clickhouse JDBC Bridge component on more hosts.
In the Run an action dialog that appears when you select the Add JDBC Bridge action, click the Clickhouse JDBC Bridge component to select it, and then select hosts on which you want to install the component (by alternate clicking each host).
Adding the Clickhouse JDBC Bridge component to hosts -
Remove JDBC Bridge — removes the Clickhouse JDBC Bridge component from hosts.
In the Run an action dialog, click the Clickhouse JDBC Bridge component and select hosts from which you want to remove the component.
Removing the Clickhouse JDBC Bridge component from hosts -
Enable auto core dump — enables an automatic core dump.
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Disable auto core dump — disables an automatic core dump.
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Reconfig and restart — updates the service configuration files according to the configuration parameters specified on the Configuration page, and restarts the service. The Configure services article provides instructions on how to access the Configuration page of a service.
Zookeeper-
Check — checks the health of the Zookeeper service.
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Expand — installs the Zookeeper Server component on more hosts.
When you select this action, ADCM opens the Run an action dialog where you can add new hosts (use to the right of Hosts) and add the Zookeeper Server component to these hosts (click the Zookeeper Server component to select it, and then select hosts on which you want to install the component).
Adding the Zookeeper Server component to hosts -
Shrink — removes the Zookeeper Server component from hosts.
In the Run an action dialog that appears when you select the Shrink action, click the Zookeeper Server component and select hosts from which you want to remove the component.
Removing the Zookeeper Server component from hosts
Monitoring Clients-
Expand — installs the Monitoring Diamond component on more hosts.
When you select this action, ADCM displays the Run an action dialog where you can add new hosts (use to the right of Hosts) and add the Monitoring Diamond component to these hosts (click the Monitoring Diamond component to select it, and then select hosts for this component).
Adding the Monitoring Diamond component to hosts -
Shrink — removes the Monitoring Diamond component from hosts.
In the Run an action dialog that appears when you select the Shrink action, click the Monitoring Diamond component and select hosts from which you want to remove the component.
Removing the Monitoring Diamond component from hosts -
Reconfig and restart — updates the service configuration and restarts the service.
Chproxy-
Check — checks the health of the Chproxy service.
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Add Server(s) — installs the Chproxy Proxy Server component on more hosts.
When you select this action, ADCM displays the Run an action dialog where you can add new hosts (use to the right of Hosts) and add the Chproxy Proxy Server component to these hosts. Click the Chproxy Proxy Server component to select it, and then select hosts on which you want to install the component (by alternate clicking each host).
Adding the Chproxy Proxy Server component to hosts -
Remove Server(s) — removes the Chproxy Proxy Server component from hosts.
In the Run an action dialog that appears when you select the Remove Server(s) action, click the Chproxy Proxy Server component and select the hosts from which you want to remove the component.
Removing the Chproxy Proxy Server component from hosts -
Reconfig and restart — updates the service configuration according to the configuration parameters specified on the Configuration page, and restarts the service. See the Configure services article for instructions on how to access the Configuration page of a service.
When an action starts, ADCM displays its execution process and result on the JOBS tab. On this tab, you can also analyze errors if they occur.
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Import. The column shows the ADCM Import icon
. Import of external components is currently not provided for the ADQM cluster services. -
Config. When you click on the Config icon
, a browser opens the page with service configuration settings (see the Configuration parameters article for parameter descriptions). -
The Maintenance Mode icon
allows setting up the maintenance mode for a service. This functionality is currently not implemented in the ADQM bundle. -
The last column contains the Delete icon
to remove a service from the cluster.