org.apache.hadoop.hbase.backup.impl

Class IncrementalBackupManager

java.lang.Object

org.apache.hadoop.hbase.backup.impl.IncrementalBackupManager

@InterfaceAudience.Public
 @InterfaceStability.Evolving
public class IncrementalBackupManager
extends Object

After a full backup was created, the incremental backup will only store the changes made after the last full or incremental backup. Creating the backup copies the logfiles in .logs and .oldlogs since the last backup timestamp.

Field Summary

Fields

Modifier and Type	Field and Description
static Log	LOG

Constructor Summary

Constructors

Constructor and Description
IncrementalBackupManager(BackupManager bm)

Method Summary

Modifier and Type	Method and Description
HashMap<String,Long>	getIncrBackupLogFileList(BackupInfo backupContext) Obtain the list of logs that need to be copied out for this incremental backup.

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final Log LOG

Constructor Detail

IncrementalBackupManager

public IncrementalBackupManager(BackupManager bm)

Method Detail

getIncrBackupLogFileList

public HashMap<String,Long> getIncrBackupLogFileList(BackupInfo backupContext)
                                              throws IOException

Obtain the list of logs that need to be copied out for this incremental backup. The list is set in BackupContext.

Parameters:

backupContext - backup context

Returns:

The new HashMap of RS log timestamps after the log roll for this incremental backup.

Throws:

IOException - exception