Uses of Package
org.apache.drill.yarn.appMaster

Packages that use org.apache.drill.yarn.appMaster

Package	Description
org.apache.drill.yarn.appMaster	Implements the Drill Application Master for YARN.
org.apache.drill.yarn.appMaster.http
org.apache.drill.yarn.core	Holds functionality common to the Drill-on-YARN client and Application Master (AM).
org.apache.drill.yarn.zk	Interface between the Application Master and ZooKeeper.

Classes in org.apache.drill.yarn.appMaster used by org.apache.drill.yarn.appMaster

Class and Description
AbstractDrillbitScheduler Base class for schedulers (pools) for Drillbits.
AbstractScheduler
AbstractTaskManager Task manager that does nothing.
AMException
AMRegistrar Interface to register the AM.
AMRegistrar.AMRegistrationException
AMYarnFacade Defines the interface between the Application Master and YARN.
AMYarnFacade.YarnAppHostReport Provides a collection of web UI links for the YARN Resource Manager and the Node Manager that is running the Drill-on-YARN AM.
ClusterController Interface which identifies the cluster controller methods that are save to call from the Dispatcher.
ClusterControllerImpl Controls the Drill cluster by representing the current cluster state with a desired state, taking corrective action to keep the cluster in the desired state.
ClusterControllerImpl.State Controller lifecycle state.
ControllerFactory
ControllerFactory.ControllerFactoryException
ControllerVisitor
Dispatcher Dispatches YARN, timer and ZooKeeper events to the cluster controller.
DispatcherAddOn Interface for an add-on to the dispatcher that should be started at start of the run and ended at the end of the run.
EventContext
NodeInventory Creates an AM-side inventory of cluster nodes.
PersistentTaskScheduler Abstract base class for schedulers that work with persistent (long-running) tasks.
Pollable Interface for objects that are polled on each controller clock tick in order to perform time-based tasks.
PulseRunnable.PulseCallback Interface implemented to receive calls on each clock "tick."
RegistryHandler Callback from the ZooKeeper registry to announce events related to Drillbit registration.
Scheduler The scheduler describes the set of tasks to run.
Scheduler.TaskManager
SchedulerState The cluster state for tasks managed by a scheduler.
SchedulerStateActions Represents the set of commands called by the cluster controller to manage the state of tasks within a task group.
SchedulerStateImpl Manages a the set of tasks associated with a scheduler.
Task AM-side state of individual containers.
Task.Disposition
Task.TrackingState Tracking plugin state.
TaskLifecycleListener
TaskLifecycleListener.Event
TaskSpec
TaskState Represents the behaviors associated with each state in the lifecycle of a task.
TaskVisitor
YarnFacadeException Exceptions thrown from the YARN facade: the wrapper around the YARN AM interfaces.

Classes in org.apache.drill.yarn.appMaster used by org.apache.drill.yarn.appMaster.http

Class and Description
AMYarnFacade.YarnAppHostReport Provides a collection of web UI links for the YARN Resource Manager and the Node Manager that is running the Drill-on-YARN AM.
ClusterController Interface which identifies the cluster controller methods that are save to call from the Dispatcher.
ClusterControllerImpl.State Controller lifecycle state.
ControllerVisitor
Dispatcher Dispatches YARN, timer and ZooKeeper events to the cluster controller.
Task AM-side state of individual containers.
TaskState Represents the behaviors associated with each state in the lifecycle of a task.
TaskVisitor

Classes in org.apache.drill.yarn.appMaster used by org.apache.drill.yarn.core

Class and Description
TaskSpec

Classes in org.apache.drill.yarn.appMaster used by org.apache.drill.yarn.zk

Class and Description
AMRegistrar Interface to register the AM.
AMRegistrar.AMRegistrationException
EventContext
Pollable Interface for objects that are polled on each controller clock tick in order to perform time-based tasks.
RegistryHandler Callback from the ZooKeeper registry to announce events related to Drillbit registration.
Task AM-side state of individual containers.
TaskLifecycleListener
TaskLifecycleListener.Event