Package | Description |
---|---|
org.apache.hadoop.mapreduce.checkpoint |
Modifier and Type | Class and Description |
---|---|
class |
FSCheckpointID
A FileSystem based checkpoint ID contains reference to the Path
where the checkpoint has been saved.
|
class |
TaskCheckpointID
Implementation of CheckpointID used in MR.
|
Modifier and Type | Method and Description |
---|---|
CheckpointID |
FSCheckpointService.commit(CheckpointService.CheckpointWriteChannel ch) |
CheckpointID |
CheckpointService.commit(CheckpointService.CheckpointWriteChannel ch)
Used to finalize and existing checkpoint.
|
Modifier and Type | Method and Description |
---|---|
boolean |
FSCheckpointService.delete(CheckpointID id) |
boolean |
CheckpointService.delete(CheckpointID id)
It discards an existing checkpoint identified by its CheckpointID.
|
CheckpointService.CheckpointReadChannel |
FSCheckpointService.open(CheckpointID id) |
CheckpointService.CheckpointReadChannel |
CheckpointService.open(CheckpointID id)
Given a CheckpointID returns a reading channel.
|
Copyright © 2008–2021 Apache Software Foundation. All rights reserved.