org.apache.ignite.internal.metric

Class IoStatisticsHolderIndex

java.lang.Object

org.apache.ignite.internal.metric.IoStatisticsHolderIndex

All Implemented Interfaces:

IoStatisticsHolder

public class IoStatisticsHolderIndex
extends Object
implements IoStatisticsHolder

Index statistics holder to gather statistics related to concrete index.

Field Summary

Fields

Modifier and Type	Field and Description
static String	HASH_PK_IDX_NAME Display name of hash PK index.
static String	LOGICAL_READS_INNER
static String	LOGICAL_READS_LEAF
static String	PHYSICAL_READS_INNER
static String	PHYSICAL_READS_LEAF

Constructor Summary

Constructors

Constructor and Description
IoStatisticsHolderIndex(IoStatisticsType type, String grpName, String idxName, GridMetricManager mmgr)

Method Summary

Modifier and Type	Method and Description
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

HASH_PK_IDX_NAME

public static final String HASH_PK_IDX_NAME

Display name of hash PK index.

See Also:

Constant Field Values

LOGICAL_READS_LEAF

public static final String LOGICAL_READS_LEAF

See Also:

Constant Field Values

LOGICAL_READS_INNER

public static final String LOGICAL_READS_INNER

See Also:

Constant Field Values

PHYSICAL_READS_LEAF

public static final String PHYSICAL_READS_LEAF

See Also:

Constant Field Values

PHYSICAL_READS_INNER

public static final String PHYSICAL_READS_INNER

See Also:

Constant Field Values

Constructor Detail

IoStatisticsHolderIndex

public IoStatisticsHolderIndex(IoStatisticsType type,
                               String grpName,
                               String idxName,
                               GridMetricManager mmgr)

Parameters:

type - Type of statistics.

grpName - Group name.

idxName - Index name.

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.

toString

public String toString()

Overrides:

toString in class Object