org.apache.flink.kubernetes.highavailability

Class KubernetesCheckpointRecoveryFactory

java.lang.Object

org.apache.flink.kubernetes.highavailability.KubernetesCheckpointRecoveryFactory

All Implemented Interfaces:

org.apache.flink.runtime.checkpoint.CheckpointRecoveryFactory

public class KubernetesCheckpointRecoveryFactory
extends Object
implements org.apache.flink.runtime.checkpoint.CheckpointRecoveryFactory

Factory to create CompletedCheckpointStore and CheckpointIDCounter.

Constructor Summary

Constructors

Constructor and Description
KubernetesCheckpointRecoveryFactory(FlinkKubeClient kubeClient, org.apache.flink.configuration.Configuration configuration, Executor executor, java.util.function.Function<org.apache.flink.api.common.JobID,String> function, String lockIdentity) Create a KubernetesCheckpointRecoveryFactory.

Method Summary

Modifier and Type	Method and Description
org.apache.flink.runtime.checkpoint.CheckpointIDCounter	createCheckpointIDCounter(org.apache.flink.api.common.JobID jobID)
org.apache.flink.runtime.checkpoint.CompletedCheckpointStore	createRecoveredCompletedCheckpointStore(org.apache.flink.api.common.JobID jobID, int maxNumberOfCheckpointsToRetain, ClassLoader userClassLoader)

Methods inherited from class java.lang.Object

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

Constructor Detail

KubernetesCheckpointRecoveryFactory

public KubernetesCheckpointRecoveryFactory(FlinkKubeClient kubeClient,
                                           org.apache.flink.configuration.Configuration configuration,
                                           Executor executor,
                                           java.util.function.Function<org.apache.flink.api.common.JobID,String> function,
                                           String lockIdentity)

Create a KubernetesCheckpointRecoveryFactory.

Parameters:

kubeClient - Kubernetes client

configuration - Flink configuration

executor - IO executor to run blocking calls

function - Function to get the ConfigMap name for checkpoint.

lockIdentity - Lock identity of current HA service

Method Detail

createRecoveredCompletedCheckpointStore

public org.apache.flink.runtime.checkpoint.CompletedCheckpointStore createRecoveredCompletedCheckpointStore(org.apache.flink.api.common.JobID jobID,
                                                                                                            int maxNumberOfCheckpointsToRetain,
                                                                                                            ClassLoader userClassLoader)
                                                                                                     throws Exception

Specified by:

createRecoveredCompletedCheckpointStore in interface org.apache.flink.runtime.checkpoint.CheckpointRecoveryFactory

Throws:

Exception

createCheckpointIDCounter

public org.apache.flink.runtime.checkpoint.CheckpointIDCounter createCheckpointIDCounter(org.apache.flink.api.common.JobID jobID)

Specified by:

createCheckpointIDCounter in interface org.apache.flink.runtime.checkpoint.CheckpointRecoveryFactory