org.apache.hadoop.hbase.regionserver

Interface MetricsRegionWrapper

All Known Implementing Classes:

MetricsRegionWrapperImpl

public interface MetricsRegionWrapper

Interface of class that will wrap an HRegion and export numbers so they can be used in MetricsRegionSource

Method Summary

Methods

Modifier and Type	Method and Description
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.

Method Detail

getTableName

String getTableName()

Get the name of the table the region belongs to.

Returns:

The string version of the table name.

getNamespace

String getNamespace()

Get the name of the namespace this table is in.

Returns:

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

getRegionName

String getRegionName()

Get the name of the region.

Returns:

The encoded name of the region.

getNumStores

long getNumStores()

Get the number of stores hosted on this region server.

getNumStoreFiles

long getNumStoreFiles()

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

getMemstoreSize

long getMemstoreSize()

Get the size of the memstore on this region server.

getStoreFileSize

long getStoreFileSize()

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

getReadRequestCount

long getReadRequestCount()

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

getWriteRequestCount

long getWriteRequestCount()

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

getNumFilesCompacted

long getNumFilesCompacted()

getNumBytesCompacted

long getNumBytesCompacted()

getNumCompactionsCompleted

long getNumCompactionsCompleted()

getCoprocessorExecutionStatistics

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

Get the time spent by coprocessors in this region.