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.-
Class Summary Class Description AbstractCheckpointMessage The base class of all checkpoint messages.AcknowledgeCheckpoint This message is sent from theTaskExecutorto theJobMasterto signal that the checkpoint of an individual task is completed.DeclineCheckpoint This message is sent from theTaskExecutorto theJobMasterto 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.