Package com.google.cloud.hadoop.fs.gcs

Class GhfsStorageStatistics

java.lang.Object

org.apache.hadoop.fs.StorageStatistics

org.apache.hadoop.fs.statistics.impl.StorageStatisticsFromIOStatistics

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

All Implemented Interfaces:

Iterable<org.apache.hadoop.fs.StorageStatistics.LongStatistic>

public class GhfsStorageStatistics
extends org.apache.hadoop.fs.statistics.impl.StorageStatisticsFromIOStatistics

Storage statistics for GCS, dynamically generated from the IOStatistics.

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	Description
static String	NAME	"GhfsStorageStatistics" The key that stores all the registered metrics

Constructor Summary

Constructors

Constructor	Description
GhfsStorageStatistics(org.apache.hadoop.fs.statistics.IOStatistics ioStatistics)	Create the Storage Statistics instance from the IOStatistics

Method Summary

Modifier and Type	Method	Description
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

Methods inherited from class org.apache.hadoop.fs.statistics.impl.StorageStatisticsFromIOStatistics

getLong, getLongStatistics, getScheme, isTracked, iterator, reset

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

getName

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

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(org.apache.hadoop.fs.statistics.IOStatistics ioStatistics)

Create the Storage Statistics instance from the IOStatistics

Method Detail

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