org.apache.ignite.internal.metric

Class IoStatisticsHolderCache

java.lang.Object

org.apache.ignite.internal.metric.IoStatisticsHolderCache

All Implemented Interfaces:

IoStatisticsHolder

public class IoStatisticsHolderCache
extends Object
implements IoStatisticsHolder

Cache statistics holder to gather statistics related to concrete cache.

Field Summary

Fields

Modifier and Type	Field and Description
static String	LOGICAL_READS
static String	PHYSICAL_READS

Constructor Summary

Constructors

Constructor and Description
IoStatisticsHolderCache(String grpName, int grpId, GridMetricManager mmgr)

Method Summary

Modifier and Type	Method and Description
int	cacheGroupId()
long	logicalReads()
String	metricRegistryName()
long	physicalReads()
String	toString()
void	trackLogicalRead(long pageAddr) Track logical read of given page.
void	trackPhysicalAndLogicalRead(long pageAddr) Track physical and logical read of given page.

Methods inherited from class java.lang.Object

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

Field Detail

PHYSICAL_READS

public static final String PHYSICAL_READS

See Also:

Constant Field Values

LOGICAL_READS

public static final String LOGICAL_READS

See Also:

Constant Field Values

Constructor Detail

IoStatisticsHolderCache

public IoStatisticsHolderCache(String grpName,
                               int grpId,
                               GridMetricManager mmgr)

Parameters:

grpName - Name of the group.

grpId - Group id.

mmgr - Metric manager.

Method Detail

trackLogicalRead

public void trackLogicalRead(long pageAddr)

Track logical read of given page.

Specified by:

trackLogicalRead in interface IoStatisticsHolder

Parameters:

pageAddr - Address of page.

trackPhysicalAndLogicalRead

public void trackPhysicalAndLogicalRead(long pageAddr)

Track physical and logical read of given page.

Specified by:

trackPhysicalAndLogicalRead in interface IoStatisticsHolder

Parameters:

pageAddr - start address of page.

logicalReads

public long logicalReads()

Specified by:

logicalReads in interface IoStatisticsHolder

Returns:

Number of logical reads.

physicalReads

public long physicalReads()

Specified by:

physicalReads in interface IoStatisticsHolder

Returns:

Number of physical reads.

metricRegistryName

public String metricRegistryName()

Specified by:

metricRegistryName in interface IoStatisticsHolder

Returns:

Metric registry name.

cacheGroupId

public int cacheGroupId()

Returns:

Cache group id.

toString

public String toString()

Overrides:

toString in class Object