org.apache.ignite.internal.metric

Interface IoStatisticsHolder

All Known Implementing Classes:

IoStatisticsHolderCache, IoStatisticsHolderIndex, IoStatisticsHolderNoOp, IoStatisticsHolderQuery

public interface IoStatisticsHolder

Holder of IO statistics.

Method Summary

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

Method Detail

trackLogicalRead

void trackLogicalRead(long pageAddr)

Track logical read of given page.

Parameters:

pageAddr - Address of page.

trackPhysicalAndLogicalRead

void trackPhysicalAndLogicalRead(long pageAddr)

Track physical and logical read of given page.

Parameters:

pageAddr - start address of page.

logicalReads

long logicalReads()

Returns:

Number of logical reads.

physicalReads

long physicalReads()

Returns:

Number of physical reads.

metricRegistryName

String metricRegistryName()

Returns:

Metric registry name.