ZooKeeper service management via ADCM

Sergei Tikhomirov

The ADCM UI provides actions to manage the ZooKeeper service and its components. For information on how to run service actions, refer to Service actions.

The actions available for the ZooKeeper service are listed in the table below.

Action Description

Check

Runs service-specific tests to check the health of the service and its components

Start

Starts the service. When you run this action, the option Apply configs from ADCM is available. When selected, all service configurations defined in ADCM settings will be applied on the service startup. Otherwise, the service starts without applying configurations from ADCM

Stop

Stops the service

Restart

Restarts the service. When you run this action, the option Apply configs from ADCM is available. When selected, all service configurations defined in ADCM settings will be applied during the service restart. Otherwise, the service restarts without applying configurations from ADCM

Remove

Removes the service from the cluster. This action should be used to remove already installed services. Whereas the delete default control can be used to remove a non-mapped service (a service which components have not been distributed among cluster hosts)

Expand

Adds ZooKeeper Server components to your cluster. Running this action opens the host-component mapping interface where you can add new ZooKeeper Server components

Shrink

Removes ZooKeeper Server components from your cluster. Running this action opens the host-component mapping interface where you can remove ZooKeeper Server components from specific hosts

Move Zookeeper Server(s)

Moves ZooKeeper Server components among hosts. Running this action opens the host-component mapping interface where you can move ZooKeeper Server components
Zookeeper Server component actions
Action Description

Check Zookeeper Server

Verifies whether all the component instances in the cluster work correctly

Restart Zookeeper Server

Restarts all the component instances in the cluster

Start Zookeeper Server

Starts all the component instances in the cluster

Stop Zookeeper Server

Stops all the component instances in the cluster
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