Package org.apache.hadoop.hdfs.tools.offlineImageViewer

Class OfflineImageViewerPB

java.lang.Object

org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewerPB

@Private
public class OfflineImageViewerPB
extends Object

OfflineImageViewerPB to dump the contents of an Hadoop image file to XML or the console. Main entry point into utility, either via the command line or programmatically.

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor	Description
OfflineImageViewerPB()

Method Summary

Modifier and Type	Method	Description
static void	main(String[] args)	Entry point to command-line-driven operation.
static int	run(String[] args)

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

OfflineImageViewerPB

public OfflineImageViewerPB()

Method Details

main

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

Entry point to command-line-driven operation. User may specify options and start fsimage viewer from the command line. Program will process image file and exit cleanly or, if an error is encountered, inform user and exit.

Parameters:

args - Command line options

Throws:

IOException

Exception

run

public static int run(String[] args)
               throws Exception

Throws:

Exception