ApiEnableJtHaArguments Data Model

Arguments used for enable JT HA command.

Properties
name data type description
newJtHostId string Id of host on which second JobTracker role will be added.
forceInitZNode boolean Initialize the ZNode even if it already exists. This can happen if JobTracker HA was enabled before and then disabled. Disable operation doesn't delete this ZNode. Defaults to true.
zkServiceName string Name of the ZooKeeper service that will be used for auto-failover. This is an optional parameter if the MapReduce to ZooKeeper dependency is already set in CM.
newJtRoleName string Name of the second JobTracker role to be created (Optional)
fc1RoleName string Name of first Failover Controller role to be created. This is the Failover Controller co-located with the current JobTracker (Optional)
fc2RoleName string Name of second Failover Controller role to be created. This is the Failover Controller co-located with the new JobTracker (Optional)
logicalName string Logical name of the JobTracker pair. If value is not provided, "logicaljt" is used as the default. The name can contain only alphanumeric characters and "-".

Available since API v8.

Example

{
  "newJtHostId" : "...",
  "forceInitZNode" : true,
  "zkServiceName" : "...",
  "newJtRoleName" : "...",
  "fc1RoleName" : "...",
  "fc2RoleName" : "...",
  "logicalName" : "..."
}