Package org.apache.reef.driver.restart

This package provides restart event service handlers.

See: Description

Interface Summary

Interface	Description
DriverRestartCompleted	The object used to notify the user that the Driver Restart process has been completed.
DriverRestarted	Am event encapsulating the time of Driver restart as well as the set of Evaluator IDs of Evaluators that are expected to report back to the Driver after restart.
DriverRuntimeRestartManager	Classes implementing this interface are in charge of recording evaluator changes as they are allocated as well as recovering Evaluators and discovering which evaluators are lost on the event of a driver restart.

Class Summary

Class	Description
DriverRestartedImpl
DriverRestartManager	The manager that handles aspects of driver restart such as determining whether the driver is in restart mode, what to do on restart, whether restart is completed, and others.
EvaluatorPreservingEvaluatorAllocatedHandler	Records allocated evaluators for recovery on driver restart by using a DriverRuntimeRestartManager.
EvaluatorPreservingEvaluatorCompletedHandler	Removes an evaluator from the evaluators to restart after it has completed.
EvaluatorPreservingEvaluatorFailedHandler	Removes an evaluator from the evaluators to restart after it has failed.
EvaluatorRestartInfo	An object that encapsulates the information needed to construct an EvaluatorManager for a recovered evaluator on restart.
RestartEvaluators	Represents holds the set of Evaluator information needed to recover EvaluatorManagers on the restarted Driver.
RestartEvaluators.Builder	Builder to build RestartEvaluators.

Enum Summary

Enum	Description
DriverRestartState	Represents the current driver restart progress.
EvaluatorRestartState	The state that the evaluator is in in the driver restart process.

Package org.apache.reef.driver.restart Description

This package provides restart event service handlers.