org.apache.hadoop.fs
Class FileSystem.Statistics

java.lang.Object
  org.apache.hadoop.fs.FileSystem.Statistics

Enclosing class:

FileSystem

public static final class FileSystem.Statistics
extends Object

Constructor Summary

FileSystem.Statistics(String scheme)

Method Summary

long	getBytesRead() Get the total number of bytes read
long	getBytesWritten() Get the total number of bytes written
int	getLargeReadOps() Get the number of large file system read operations such as list files under a large directory
int	getReadOps() Get the number of file system read operations such as list files
String	getScheme() Get the uri scheme associated with this statistics object.
int	getWriteOps() Get the number of file system write operations such as create, append rename etc.
void	incrementBytesRead(long newBytes) Increment the bytes read in the statistics
void	incrementBytesWritten(long newBytes) Increment the bytes written in the statistics
void	incrementLargeReadOps(int count) Increment the number of large read operations
void	incrementReadOps(int count) Increment the number of read operations
void	incrementWriteOps(int count) Increment the number of write operations
void	reset() Reset the counts of bytes to 0.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

FileSystem.Statistics

public FileSystem.Statistics(String scheme)

Method Detail

incrementBytesRead

public void incrementBytesRead(long newBytes)

Increment the bytes read in the statistics

Parameters:

newBytes - the additional bytes read

incrementBytesWritten

public void incrementBytesWritten(long newBytes)

Increment the bytes written in the statistics

Parameters:

newBytes - the additional bytes written

incrementReadOps

public void incrementReadOps(int count)

Increment the number of read operations

Parameters:

count - number of read operations

incrementLargeReadOps

public void incrementLargeReadOps(int count)

Increment the number of large read operations

Parameters:

count - number of large read operations

incrementWriteOps

public void incrementWriteOps(int count)

Increment the number of write operations

Parameters:

count - number of write operations

getBytesRead

public long getBytesRead()

Get the total number of bytes read

Returns:

the number of bytes

getBytesWritten

public long getBytesWritten()

Get the total number of bytes written

Returns:

the number of bytes

getReadOps

public int getReadOps()

Get the number of file system read operations such as list files

Returns:

number of read operations

getLargeReadOps

public int getLargeReadOps()

Get the number of large file system read operations such as list files under a large directory

Returns:

number of large read operations

getWriteOps

public int getWriteOps()

Get the number of file system write operations such as create, append rename etc.

Returns:

number of write operations

toString

public String toString()

Overrides:

toString in class Object

reset

public void reset()

Reset the counts of bytes to 0.

getScheme

public String getScheme()

Get the uri scheme associated with this statistics object.

Returns:

the schema associated with this set of statistics