org.apache.flink.runtime.executiongraph.restart

Class RestartStrategyResolving

java.lang.Object

org.apache.flink.runtime.executiongraph.restart.RestartStrategyResolving

public final class RestartStrategyResolving
extends Object

Utility method for resolving RestartStrategy.

Method Summary

Modifier and Type	Method and Description
static RestartStrategy	resolve(org.apache.flink.api.common.restartstrategy.RestartStrategies.RestartStrategyConfiguration clientConfiguration, RestartStrategyFactory serverStrategyFactory, boolean isCheckpointingEnabled) Resolves which RestartStrategy to use.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

resolve

public static RestartStrategy resolve(org.apache.flink.api.common.restartstrategy.RestartStrategies.RestartStrategyConfiguration clientConfiguration,
                                      RestartStrategyFactory serverStrategyFactory,
                                      boolean isCheckpointingEnabled)

Resolves which RestartStrategy to use. It should be used only on the server side. The resolving strategy is as follows:

1. Strategy set within job graph.
2. Strategy set flink-conf.yaml on the server set, unless is set to NoRestartStrategy and checkpointing is enabled.
3. If no strategy was set on client and server side and checkpointing was enabled then FixedDelayRestartStrategy is used

Parameters:

clientConfiguration - restart configuration given within the job graph

serverStrategyFactory - default server side strategy factory

isCheckpointingEnabled - if checkpointing was enabled for the job

Returns:

resolved strategy