org.apache.hadoop.hbase.snapshot

类 ExportSnapshot

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.hadoop.hbase.snapshot.ExportSnapshot

所有已实现的接口:

org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool

@InterfaceAudience.Public
@InterfaceStability.Evolving
public class ExportSnapshot
extends org.apache.hadoop.conf.Configured
implements org.apache.hadoop.util.Tool

Export the specified snapshot to a given FileSystem. The .snapshot/name folder is copied to the destination cluster and then all the hfiles/wals are copied using a Map-Reduce Job in the .archive/ location. When everything is done, the second cluster can restore the snapshot.

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	ExportSnapshot.Counter

字段概要

字段

限定符和类型	字段和说明
static String	CONF_DEST_PREFIX Configuration prefix for overrides for the destination filesystem
protected static String	CONF_SKIP_TMP
static String	CONF_SOURCE_PREFIX Configuration prefix for overrides for the source filesystem
static String	NAME

构造器概要

构造器

构造器和说明
ExportSnapshot()

方法概要

方法

限定符和类型	方法和说明
static void	main(String[] args)
int	run(String[] args) Execute the export snapshot by copying the snapshot metadata, hfiles and wals.

从类继承的方法 org.apache.hadoop.conf.Configured

getConf, setConf

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.hadoop.conf.Configurable

getConf, setConf

字段详细资料

NAME

public static final String NAME

另请参阅:

常量字段值

CONF_SOURCE_PREFIX

public static final String CONF_SOURCE_PREFIX

Configuration prefix for overrides for the source filesystem

另请参阅:

常量字段值

CONF_DEST_PREFIX

public static final String CONF_DEST_PREFIX

Configuration prefix for overrides for the destination filesystem

另请参阅:

常量字段值

CONF_SKIP_TMP

protected static final String CONF_SKIP_TMP

另请参阅:

常量字段值

构造器详细资料

ExportSnapshot

public ExportSnapshot()

方法详细资料

run

public int run(String[] args)
        throws IOException

Execute the export snapshot by copying the snapshot metadata, hfiles and wals.

指定者:

run 在接口中 org.apache.hadoop.util.Tool

返回:

0 on success, and != 0 upon failure.

抛出:

IOException

main

public static void main(String[] args)
                 throws Exception

抛出:

Exception