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:

Serialized Form

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`Collection<TaskStateStats>`	`getAllTaskStateStats()`	Returns all task state stats instances.
`abstract long`	`getCheckpointedSize()`	Returns the checkpointed size during that checkpoint.
`long`	`getCheckpointId()`	Returns the ID of this checkpoint.
`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.
`abstract SubtaskStateStats`	`getLatestAcknowledgedSubtaskStats()`	Returns the latest acknowledged subtask stats or `null` if none was acknowledged yet.
`long`	`getLatestAckTimestamp()`	Returns the ack timestamp of the latest acknowledged subtask or `-1` if none was acknowledged yet.
`abstract int`	`getNumberOfAcknowledgedSubtasks()`	Returns the number of acknowledged subtasks.
`int`	`getNumberOfSubtasks()`	Returns the total number of subtasks involved in this checkpoint.
`abstract long`	`getPersistedData()`
`abstract long`	`getProcessedData()`
`CheckpointProperties`	`getProperties()`	Returns the properties of this checkpoint.
`abstract long`	`getStateSize()`	Returns the total checkpoint state size over all subtasks.
`abstract CheckpointStatsStatus`	`getStatus()`	Returns the status of this checkpoint.
`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.
`long`	`getTriggerTimestamp()`	Returns the timestamp when the checkpoint was triggered.
`abstract boolean`	`isUnalignedCheckpoint()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - 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.

Class AbstractCheckpointStats

Method Summary

Methods inherited from class java.lang.Object

Method Detail

getStatus

getNumberOfAcknowledgedSubtasks

getStateSize

getCheckpointedSize

getProcessedData

getPersistedData

isUnalignedCheckpoint

getLatestAcknowledgedSubtaskStats

getCheckpointId

getTriggerTimestamp

getProperties

getNumberOfSubtasks

getTaskStateStats

getAllTaskStateStats

getLatestAckTimestamp

getEndToEndDuration