io.druid.indexing.overlord.scaling

Interface ResourceManagementStrategy

All Known Implementing Classes:

SimpleResourceManagementStrategy

public interface ResourceManagementStrategy

The ResourceManagementStrategy decides if worker nodes should be provisioned or determined based on the available tasks in the system and the state of the workers in the system.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	doProvision(Collection<RemoteTaskRunnerWorkItem> runningTasks, Collection<ZkWorker> zkWorkers)
boolean	doTerminate(Collection<RemoteTaskRunnerWorkItem> runningTasks, Collection<ZkWorker> zkWorkers)
ScalingStats	getStats()

Method Detail

doProvision

boolean doProvision(Collection<RemoteTaskRunnerWorkItem> runningTasks,
                  Collection<ZkWorker> zkWorkers)

doTerminate

boolean doTerminate(Collection<RemoteTaskRunnerWorkItem> runningTasks,
                  Collection<ZkWorker> zkWorkers)

getStats

ScalingStats getStats()