Package org.apache.hadoop.hbase.backup

Class HBackupFileSystem

java.lang.Object

org.apache.hadoop.hbase.backup.HBackupFileSystem

@Private
public final class HBackupFileSystem
extends Object

View to an on-disk Backup Image FileSytem Provides the set of methods necessary to interact with the on-disk Backup Image data.

Field Summary

Fields

Modifier and Type	Field	Description
static final org.slf4j.Logger	LOG

Constructor Summary

Constructors

Modifier	Constructor	Description
private	HBackupFileSystem()	This is utility class.

Method Summary

Modifier and Type	Method	Description
static org.apache.hadoop.fs.Path	getBackupPath(String backupRootDir, String backupId)
static org.apache.hadoop.fs.Path	getBackupTmpDirPath(String backupRootDir)	Get backup temporary directory
static org.apache.hadoop.fs.Path	getBackupTmpDirPathForBackupId(String backupRoot, String backupId)	Get backup tmp directory for backupId
static BackupManifest	getManifest(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path backupRootPath, String backupId)
private static org.apache.hadoop.fs.Path	getManifestPath(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path backupRootPath, String backupId)
static String	getTableBackupDir(String backupRootDir, String backupId, TableName tableName)	Given the backup root dir, backup id and the table name, return the backup image location.
static org.apache.hadoop.fs.Path	getTableBackupPath(TableName tableName, org.apache.hadoop.fs.Path backupRootPath, String backupId)	Given the backup root dir, backup id and the table name, return the backup image location, which is also where the backup manifest file is.

Methods inherited from class java.lang.Object

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

Field Details

LOG

public static final org.slf4j.Logger LOG

Constructor Details

HBackupFileSystem

private HBackupFileSystem()

This is utility class.

Method Details

getTableBackupDir

public static String getTableBackupDir(String backupRootDir,
 String backupId,
 TableName tableName)

Given the backup root dir, backup id and the table name, return the backup image location. Return value look like: "hdfs://backup.hbase.org:9000/user/biadmin/backup/backup_1396650096738/default/t1_dn/", where "hdfs://backup.hbase.org:9000/user/biadmin/backup" is a backup root directory

Parameters:

backupRootDir - backup root directory

backupId - backup id

tableName - table name

Returns:

backupPath String for the particular table

getBackupTmpDirPath

public static org.apache.hadoop.fs.Path getBackupTmpDirPath(String backupRootDir)

Get backup temporary directory

Parameters:

backupRootDir - backup root

Returns:

backup tmp directory path

getBackupTmpDirPathForBackupId

public static org.apache.hadoop.fs.Path getBackupTmpDirPathForBackupId(String backupRoot,
 String backupId)

Get backup tmp directory for backupId

Parameters:

backupRoot - backup root

backupId - backup id

Returns:

backup tmp directory path

getBackupPath

public static org.apache.hadoop.fs.Path getBackupPath(String backupRootDir,
 String backupId)

getTableBackupPath

public static org.apache.hadoop.fs.Path getTableBackupPath(TableName tableName,
 org.apache.hadoop.fs.Path backupRootPath,
 String backupId)

Given the backup root dir, backup id and the table name, return the backup image location, which is also where the backup manifest file is. return value look like: "hdfs://backup.hbase.org:9000/user/biadmin/backup/backup_1396650096738/default/t1_dn/", where "hdfs://backup.hbase.org:9000/user/biadmin/backup" is a backup root directory

Parameters:

backupRootPath - backup root path

tableName - table name

backupId - backup Id

Returns:

backupPath for the particular table

getManifestPath

private static org.apache.hadoop.fs.Path getManifestPath(org.apache.hadoop.conf.Configuration conf,
 org.apache.hadoop.fs.Path backupRootPath,
 String backupId)
                                                  throws IOException

Throws:

IOException

getManifest

public static BackupManifest getManifest(org.apache.hadoop.conf.Configuration conf,
 org.apache.hadoop.fs.Path backupRootPath,
 String backupId)
                                  throws IOException

Throws:

IOException