org.apache.hadoop.hbase.regionserver

Class MetricsRegionWrapperImpl

java.lang.Object

org.apache.hadoop.hbase.regionserver.MetricsRegionWrapperImpl

All Implemented Interfaces:

Closeable, AutoCloseable, MetricsRegionWrapper

@InterfaceAudience.Private
public class MetricsRegionWrapperImpl
extends Object
implements MetricsRegionWrapper, Closeable

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	MetricsRegionWrapperImpl.HRegionMetricsWrapperRunnable

Field Summary

Fields

Modifier and Type	Field and Description
static int	PERIOD
static String	UNKNOWN

Constructor Summary

Constructors

Constructor and Description
MetricsRegionWrapperImpl(HRegion region)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
Map<String,org.apache.commons.math.stat.descriptive.DescriptiveStatistics>	getCoprocessorExecutionStatistics() Get the time spent by coprocessors in this region.
long	getMemstoreSize() Get the size of the memstore on this region server.
String	getNamespace() Get the name of the namespace this table is in.
long	getNumBytesCompacted()
long	getNumCompactionsCompleted()
long	getNumFilesCompacted()
long	getNumStoreFiles() Get the number of store files hosted on this region server.
long	getNumStores() Get the number of stores hosted on this region server.
long	getReadRequestCount() Get the total number of read requests that have been issued against this region
String	getRegionName() Get the name of the region.
long	getStoreFileSize() Get the total size of the store files this region server is serving from.
String	getTableName() Get the name of the table the region belongs to.
long	getWriteRequestCount() Get the total number of mutations that have been issued against this region.

Methods inherited from class java.lang.Object

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

Field Detail

PERIOD

public static final int PERIOD

See Also:

Constant Field Values

UNKNOWN

public static final String UNKNOWN

See Also:

Constant Field Values

Constructor Detail

MetricsRegionWrapperImpl

public MetricsRegionWrapperImpl(HRegion region)

Method Detail

getTableName

public String getTableName()

Description copied from interface: MetricsRegionWrapper

Get the name of the table the region belongs to.

Specified by:

getTableName in interface MetricsRegionWrapper

Returns:

The string version of the table name.

getNamespace

public String getNamespace()

Description copied from interface: MetricsRegionWrapper

Get the name of the namespace this table is in.

Specified by:

getNamespace in interface MetricsRegionWrapper

Returns:

String version of the namespace. Can't be empty.

getRegionName

public String getRegionName()

Description copied from interface: MetricsRegionWrapper

Get the name of the region.

Specified by:

getRegionName in interface MetricsRegionWrapper

Returns:

The encoded name of the region.

getNumStores

public long getNumStores()

Description copied from interface: MetricsRegionWrapper

Get the number of stores hosted on this region server.

Specified by:

getNumStores in interface MetricsRegionWrapper

getNumStoreFiles

public long getNumStoreFiles()

Description copied from interface: MetricsRegionWrapper

Get the number of store files hosted on this region server.

Specified by:

getNumStoreFiles in interface MetricsRegionWrapper

getMemstoreSize

public long getMemstoreSize()

Description copied from interface: MetricsRegionWrapper

Get the size of the memstore on this region server.

Specified by:

getMemstoreSize in interface MetricsRegionWrapper

getStoreFileSize

public long getStoreFileSize()

Description copied from interface: MetricsRegionWrapper

Get the total size of the store files this region server is serving from.

Specified by:

getStoreFileSize in interface MetricsRegionWrapper

getReadRequestCount

public long getReadRequestCount()

Description copied from interface: MetricsRegionWrapper

Get the total number of read requests that have been issued against this region

Specified by:

getReadRequestCount in interface MetricsRegionWrapper

getWriteRequestCount

public long getWriteRequestCount()

Description copied from interface: MetricsRegionWrapper

Get the total number of mutations that have been issued against this region.

Specified by:

getWriteRequestCount in interface MetricsRegionWrapper

getNumFilesCompacted

public long getNumFilesCompacted()

Specified by:

getNumFilesCompacted in interface MetricsRegionWrapper

getNumBytesCompacted

public long getNumBytesCompacted()

Specified by:

getNumBytesCompacted in interface MetricsRegionWrapper

getNumCompactionsCompleted

public long getNumCompactionsCompleted()

Specified by:

getNumCompactionsCompleted in interface MetricsRegionWrapper

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException

getCoprocessorExecutionStatistics

public Map<String,org.apache.commons.math.stat.descriptive.DescriptiveStatistics> getCoprocessorExecutionStatistics()

Description copied from interface: MetricsRegionWrapper

Get the time spent by coprocessors in this region.

Specified by:

getCoprocessorExecutionStatistics in interface MetricsRegionWrapper