Package org.apache.flink.runtime.checkpoint

Class AbstractCheckpointStats

java.lang.Object
org.apache.flink.runtime.checkpoint.AbstractCheckpointStats
All Implemented Interfaces:
Serializable
Direct Known Subclasses:
CompletedCheckpointStats, PendingCheckpointStats
public abstract class AbstractCheckpointStats extends Object implements Serializable
Base class for checkpoint statistics.
See Also:

  • Method Details

    • getStatus

      public abstract CheckpointStatsStatus getStatus()
      Returns the status of this checkpoint.
      Returns:
      Status of this checkpoint

    • getNumberOfAcknowledgedSubtasks

      public abstract int getNumberOfAcknowledgedSubtasks()
      Returns the number of acknowledged subtasks.
      Returns:
      The number of acknowledged subtasks.

    • getStateSize

      public abstract long getStateSize()
      Returns the total checkpoint state size over all subtasks.
      Returns:
      Total checkpoint state size over all subtasks.

    • getCheckpointedSize

      public abstract long getCheckpointedSize()
      Returns the checkpointed size during that checkpoint.
      Returns:
      The checkpointed size during that checkpoint.

    • getProcessedData

      public abstract long getProcessedData()
      Returns:
      the total number of processed bytes during the checkpoint.

    • getPersistedData

      public abstract long getPersistedData()
      Returns:
      the total number of persisted bytes during the checkpoint.

    • isUnalignedCheckpoint

      public abstract boolean isUnalignedCheckpoint()
      Returns:
      whether the checkpoint is unaligned.

    • getLatestAcknowledgedSubtaskStats

      @Nullable public abstract SubtaskStateStats getLatestAcknowledgedSubtaskStats()
      Returns the latest acknowledged subtask stats or null if none was acknowledged yet.
      Returns:
      Latest acknowledged subtask stats or null

    • getCheckpointId

      public long getCheckpointId()
      Returns the ID of this checkpoint.
      Returns:
      ID of this checkpoint.

    • getTriggerTimestamp

      public long getTriggerTimestamp()
      Returns the timestamp when the checkpoint was triggered.
      Returns:
      Timestamp when the checkpoint was triggered.

    • getProperties

      public CheckpointProperties getProperties()
      Returns the properties of this checkpoint.
      Returns:
      Properties of this checkpoint.

    • getNumberOfSubtasks

      public int getNumberOfSubtasks()
      Returns the total number of subtasks involved in this checkpoint.
      Returns:
      Total number of subtasks involved in this checkpoint.

    • getTaskStateStats

      public TaskStateStats getTaskStateStats(JobVertexID jobVertexId)
      Returns the task state stats for the given job vertex ID or null if no task with such an ID is available.
      Parameters:
      jobVertexId - Job vertex ID of the task stats to look up.
      Returns:
      The task state stats instance for the given ID or null.

    • getAllTaskStateStats

      public Collection<TaskStateStats> getAllTaskStateStats()
      Returns all task state stats instances.
      Returns:
      All task state stats instances.

    • getLatestAckTimestamp

      public long getLatestAckTimestamp()
      Returns the ack timestamp of the latest acknowledged subtask or -1 if none was acknowledged yet.
      Returns:
      Ack timestamp of the latest acknowledged subtask or -1.

    • getEndToEndDuration

      public long getEndToEndDuration()
      Returns the duration of this checkpoint calculated as the time since triggering until the latest acknowledged subtask or -1 if no subtask was acknowledged yet.
      Returns:
      Duration of this checkpoint or -1 if no subtask was acknowledged yet.