org.apache.hadoop.fs
Class DF

java.lang.Object
  org.apache.hadoop.fs.DF

public class DF
extends Object

Filesystem disk space usage statistics. Uses the unix 'df' program. Tested on Linux, FreeBSD, Cygwin.

Field Summary

static long

DF_INTERVAL_DEFAULT

Constructor Summary

DF(File path, Configuration conf)

DF(File path, long dfInterval)

Method Summary

long	getAvailable()
long	getAvailableSkipRefresh()
long	getCapacity()
long	getCapacitySkipRefresh()
String	getDirPath()
String	getFilesystem()
String	getMount()
int	getPercentUsed()
int	getPercentUsedSkipRefresh()
long	getUsed()
long	getUsedSkipRefresh()
static void	main(String[] args)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

DF_INTERVAL_DEFAULT

public static final long DF_INTERVAL_DEFAULT

See Also:

Constant Field Values

Constructor Detail

DF

public DF(File path,
          Configuration conf)
   throws IOException

Throws:

IOException

DF

public DF(File path,
          long dfInterval)
   throws IOException

Throws:

IOException

Method Detail

getDirPath

public String getDirPath()

getFilesystem

public String getFilesystem()
                     throws IOException

Throws:

IOException

getCapacity

public long getCapacity()
                 throws IOException

Throws:

IOException

getUsed

public long getUsed()
             throws IOException

Throws:

IOException

getAvailable

public long getAvailable()
                  throws IOException

Throws:

IOException

getPercentUsed

public int getPercentUsed()
                   throws IOException

Throws:

IOException

getMount

public String getMount()
                throws IOException

Throws:

IOException

getCapacitySkipRefresh

public long getCapacitySkipRefresh()

getUsedSkipRefresh

public long getUsedSkipRefresh()

getAvailableSkipRefresh

public long getAvailableSkipRefresh()

getPercentUsedSkipRefresh

public int getPercentUsedSkipRefresh()

toString

public String toString()

Overrides:

toString in class Object

main

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

Throws:

Exception