org.apache.flink.runtime.checkpoint

Class FailedCheckpointStats

java.lang.Object

org.apache.flink.runtime.checkpoint.AbstractCheckpointStats

org.apache.flink.runtime.checkpoint.FailedCheckpointStats

All Implemented Interfaces:

Serializable

public class FailedCheckpointStats
extends AbstractCheckpointStats

Statistics for a failed checkpoint.

The reported statistics are immutable.

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
long	getAlignmentBuffered() Returns the total buffered bytes during alignment over all subtasks.
long	getEndToEndDuration() Returns the end to end duration until the checkpoint failure.
String	getFailureMessage() Returns the failure message or null if no cause was provided.
long	getFailureTimestamp() Returns the timestamp when this checkpoint failed.
SubtaskStateStats	getLatestAcknowledgedSubtaskStats() Returns the latest acknowledged subtask stats or null if none was acknowledged yet.
int	getNumberOfAcknowledgedSubtasks() Returns the number of acknowledged subtasks.
long	getStateSize() Returns the total checkpoint state size over all subtasks.
CheckpointStatsStatus	getStatus() Returns the status of this checkpoint.

Methods inherited from class org.apache.flink.runtime.checkpoint.AbstractCheckpointStats

getAllTaskStateStats, getCheckpointId, getLatestAckTimestamp, getNumberOfSubtasks, getProperties, getTaskStateStats, getTriggerTimestamp

Methods inherited from class java.lang.Object

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

Method Detail

getStatus

public CheckpointStatsStatus getStatus()

Description copied from class: AbstractCheckpointStats

Returns the status of this checkpoint.

Specified by:

getStatus in class AbstractCheckpointStats

Returns:

Status of this checkpoint

getNumberOfAcknowledgedSubtasks

public int getNumberOfAcknowledgedSubtasks()

Description copied from class: AbstractCheckpointStats

Returns the number of acknowledged subtasks.

Specified by:

getNumberOfAcknowledgedSubtasks in class AbstractCheckpointStats

Returns:

The number of acknowledged subtasks.

getStateSize

public long getStateSize()

Description copied from class: AbstractCheckpointStats

Returns the total checkpoint state size over all subtasks.

Specified by:

getStateSize in class AbstractCheckpointStats

Returns:

Total checkpoint state size over all subtasks.

getAlignmentBuffered

public long getAlignmentBuffered()

Description copied from class: AbstractCheckpointStats

Returns the total buffered bytes during alignment over all subtasks.

Can return -1 if the runtime did not report this.

Specified by:

getAlignmentBuffered in class AbstractCheckpointStats

Returns:

Total buffered bytes during alignment over all subtasks.

getLatestAcknowledgedSubtaskStats

@Nullable
public SubtaskStateStats getLatestAcknowledgedSubtaskStats()

Description copied from class: AbstractCheckpointStats

Returns the latest acknowledged subtask stats or null if none was acknowledged yet.

Specified by:

getLatestAcknowledgedSubtaskStats in class AbstractCheckpointStats

Returns:

Latest acknowledged subtask stats or null

getEndToEndDuration

public long getEndToEndDuration()

Returns the end to end duration until the checkpoint failure.

Overrides:

getEndToEndDuration in class AbstractCheckpointStats

Returns:

Duration of this checkpoint or -1 if no subtask was acknowledged yet.

getFailureTimestamp

public long getFailureTimestamp()

Returns the timestamp when this checkpoint failed.

Returns:

Timestamp when the checkpoint failed.

getFailureMessage

@Nullable
public String getFailureMessage()

Returns the failure message or null if no cause was provided.

Returns:

Failure message of the checkpoint failure or null.