MetricsRegionWrapperImpl (Apache HBase 1.4.11 API)

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

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

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

Constructor Summary

Constructors
Constructor and Description

MetricsRegionWrapperImpl(HRegion region)

Constructors
Constructor and Description
`MetricsRegionWrapperImpl(HRegion region)`

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`close()`
`long`	`getAvgStoreFileAge()`
`long`	`getLastMajorCompactionAge()`
`long`	`getMaxCompactionQueueSize()`
`long`	`getMaxFlushQueueSize()`
`long`	`getMaxStoreFileAge()`
`long`	`getMemstoreSize()` Get the size of the memstore on this region server.
`long`	`getMinStoreFileAge()`
`String`	`getNamespace()` Get the name of the namespace this table is in.
`long`	`getNumBytesCompacted()`
`long`	`getNumCompactionsCompleted()`
`long`	`getNumCompactionsFailed()` Returns the total number of compactions that have been reported as failed on this region.
`long`	`getNumCompactionsQueued()`
`long`	`getNumFilesCompacted()`
`long`	`getNumFlushesQueued()`
`long`	`getNumReferenceFiles()`
`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
`int`	`getRegionHashCode()`
`String`	`getRegionName()` Get the name of the region.
`int`	`getReplicaId()` Get the replica id of this 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
  - getLastMajorCompactionAge
```
public long getLastMajorCompactionAge()
```
    Specified by:
    
    getLastMajorCompactionAge in interface MetricsRegionWrapper
    
    Returns:
    Age of the last major compaction
  - getNumCompactionsFailed
```
public long getNumCompactionsFailed()
```
    Description copied from interface: MetricsRegionWrapper
    
    Returns the total number of compactions that have been reported as failed on this region. Note that a given compaction can be reported as both completed and failed if an exception is thrown in the processing after HRegion.compact().
    
    Specified by:
    
    getNumCompactionsFailed in interface MetricsRegionWrapper
  - getNumCompactionsQueued
```
public long getNumCompactionsQueued()
```
    Specified by:
    
    getNumCompactionsQueued in interface MetricsRegionWrapper
    
    Returns:
    the total number of compactions that are currently queued(or being executed) at point in time
  - getNumFlushesQueued
```
public long getNumFlushesQueued()
```
    Specified by:
    
    getNumFlushesQueued in interface MetricsRegionWrapper
    
    Returns:
    the total number of flushes currently queued(being executed) for this region at point in time
  - getMaxCompactionQueueSize
```
public long getMaxCompactionQueueSize()
```
    Specified by:
    
    getMaxCompactionQueueSize in interface MetricsRegionWrapper
    
    Returns:
    the max number of compactions queued for this region Note that this metric is updated periodically and hence might miss some data points
  - getMaxFlushQueueSize
```
public long getMaxFlushQueueSize()
```
    Specified by:
    
    getMaxFlushQueueSize in interface MetricsRegionWrapper
    
    Returns:
    the max number of flushes queued for this region Note that this metric is updated periodically and hence might miss some data points
  - getMaxStoreFileAge
```
public long getMaxStoreFileAge()
```
    Specified by:
    
    getMaxStoreFileAge in interface MetricsRegionWrapper
    
    Returns:
    Max age of store files under this region
  - getMinStoreFileAge
```
public long getMinStoreFileAge()
```
    Specified by:
    
    getMinStoreFileAge in interface MetricsRegionWrapper
    
    Returns:
    Min age of store files under this region
  - getAvgStoreFileAge
```
public long getAvgStoreFileAge()
```
    Specified by:
    
    getAvgStoreFileAge in interface MetricsRegionWrapper
    
    Returns:
    Average age of store files under this region
  - getNumReferenceFiles
```
public long getNumReferenceFiles()
```
    Specified by:
    
    getNumReferenceFiles in interface MetricsRegionWrapper
    
    Returns:
    Number of reference files under this region
  - getRegionHashCode
```
public int getRegionHashCode()
```
    Specified by:
    
    getRegionHashCode in interface MetricsRegionWrapper
  - close
```
public void close()
           throws IOException
```
    Specified by:
    
    close in interface Closeable
    
    Specified by:
    
    close in interface AutoCloseable
    
    Throws:
    
    IOException
  - getReplicaId
```
public int getReplicaId()
```
    Get the replica id of this region.
    
    Specified by:
    
    getReplicaId in interface MetricsRegionWrapper

Class MetricsRegionWrapperImpl

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

PERIOD

UNKNOWN

Constructor Detail

MetricsRegionWrapperImpl

Method Detail

getTableName

getNamespace

getRegionName

getNumStores

getNumStoreFiles

getMemstoreSize

getStoreFileSize

getReadRequestCount

getWriteRequestCount

getNumFilesCompacted

getNumBytesCompacted

getNumCompactionsCompleted

getLastMajorCompactionAge

getNumCompactionsFailed

getNumCompactionsQueued

getNumFlushesQueued

getMaxCompactionQueueSize

getMaxFlushQueueSize

getMaxStoreFileAge

getMinStoreFileAge

getAvgStoreFileAge

getNumReferenceFiles

getRegionHashCode

close

getReplicaId