com.google.cloud.hadoop.fs.gcs

Class GhfsStorageStatistics

java.lang.Object

org.apache.hadoop.fs.StorageStatistics

com.google.cloud.hadoop.fs.gcs.GhfsStorageStatistics

@InterfaceAudience.Private
 @InterfaceStability.Unstable
public class GhfsStorageStatistics
extends org.apache.hadoop.fs.StorageStatistics

Storage statistics for GCS

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.fs.StorageStatistics

org.apache.hadoop.fs.StorageStatistics.CommonStatisticNames, org.apache.hadoop.fs.StorageStatistics.LongStatistic

Field Summary

Fields

Modifier and Type	Field and Description
static String	NAME "GhfsStorageStatistics" The key that stores all the registered metrics

Constructor Summary

Constructors

Constructor and Description
GhfsStorageStatistics()

Method Summary

Modifier and Type	Method and Description
Long	getLong(String key)
Iterator<org.apache.hadoop.fs.StorageStatistics.LongStatistic>	getLongStatistics()
Long	getMax(String symbol) To get the maximum value which is stored with MAXIMUM extension
double	getMean(String symbol) To get the mean value which is stored with MEAN extension
Long	getMin(String symbol) To get the minimum value which is stored with MINIMUM extension
long	incrementCounter(GhfsStatistic op, long count) Increment a specific counter.
boolean	isTracked(String key)
void	reset()

Methods inherited from class org.apache.hadoop.fs.StorageStatistics

getName, getScheme

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final String NAME

"GhfsStorageStatistics" The key that stores all the registered metrics

See Also:

Constant Field Values

Constructor Detail

GhfsStorageStatistics

public GhfsStorageStatistics()

Method Detail

incrementCounter

public long incrementCounter(GhfsStatistic op,
                             long count)

Increment a specific counter.

Parameters:

op - operation

count - increment value

Returns:

the new value

reset

public void reset()

Specified by:

reset in class org.apache.hadoop.fs.StorageStatistics

getLongStatistics

public Iterator<org.apache.hadoop.fs.StorageStatistics.LongStatistic> getLongStatistics()

Specified by:

getLongStatistics in class org.apache.hadoop.fs.StorageStatistics

getLong

public Long getLong(String key)

Specified by:

getLong in class org.apache.hadoop.fs.StorageStatistics

isTracked

public boolean isTracked(String key)

Specified by:

isTracked in class org.apache.hadoop.fs.StorageStatistics

getMin

public Long getMin(String symbol)

To get the minimum value which is stored with MINIMUM extension

Parameters:

symbol -

Returns:

minimum statistic value

getMax

public Long getMax(String symbol)

To get the maximum value which is stored with MAXIMUM extension

Parameters:

symbol -

Returns:

maximum statistic value

getMean

public double getMean(String symbol)

To get the mean value which is stored with MEAN extension

Parameters:

symbol -

Returns:

mean statistic value