Package org.apache.flink.runtime.messages.checkpoint

package org.apache.flink.runtime.messages.checkpoint

This package contains the messages that are sent between JobMaster and TaskExecutor to coordinate the checkpoint snapshots of the distributed dataflow.

Related Packages

Package	Description
org.apache.flink.runtime.messages	This package contains the messages that are sent between Flink's distributed components to coordinate the distributed operations.
org.apache.flink.runtime.messages.webmonitor	This package contains the actor messages that are sent between the JobManager and components that are interested in the status of the JobManager.

Classes

Class	Description
AbstractCheckpointMessage	The base class of all checkpoint messages.
AcknowledgeCheckpoint	This message is sent from the TaskExecutor to the JobMaster to signal that the checkpoint of an individual task is completed.
DeclineCheckpoint	This message is sent from the TaskExecutor to the JobMaster to tell the checkpoint coordinator that a checkpoint request could not be heeded.
SerializedCheckpointException	Serialized checkpoint exception which wraps the checkpoint failure reason and its serialized throwable.