org.apache.ignite.internal.visor.cache

Class VisorMemoryMetrics

java.lang.Object

org.apache.ignite.internal.visor.VisorDataTransferObject

org.apache.ignite.internal.visor.cache.VisorMemoryMetrics

All Implemented Interfaces:

Externalizable, Serializable

public class VisorMemoryMetrics
extends VisorDataTransferObject

Data transfer object for DataRegionMetrics

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.ignite.internal.visor.VisorDataTransferObject

V1, V2, V3, V4

Constructor Summary

Constructors

Constructor and Description
VisorMemoryMetrics() Default constructor.
VisorMemoryMetrics(DataRegionMetrics m)

Method Summary

Modifier and Type	Method and Description
float	getAllocationRate()
long	getCheckpointBufferPages() This method needed for compatibility with V2.
long	getCheckpointBufferSize()
long	getDirtyPages()
float	getEvictionRate()
float	getLargeEntriesPagesPercentage()
String	getName()
long	getOffHeapSize()
long	getOffheapUsedSize()
float	getPagesFillFactor()
int	getPageSize()
long	getPagesRead()
long	getPagesReplaced()
float	getPagesReplaceRate()
long	getPagesWritten()
long	getPhysicalMemoryPages()
long	getPhysicalMemorySize()
byte	getProtocolVersion()
long	getTotalAllocatedPages()
long	getTotalAllocatedSize()
long	getUsedCheckpointBufferPages()
long	getUsedCheckpointBufferSize()
protected void	readExternalData(byte protoVer, ObjectInput in) Load object's specific data content.
String	toString()
protected void	writeExternalData(ObjectOutput out) Save object's specific data content.

Methods inherited from class org.apache.ignite.internal.visor.VisorDataTransferObject

readExternal, toList, toSet, writeExternal

Methods inherited from class java.lang.Object

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

Constructor Detail

VisorMemoryMetrics

public VisorMemoryMetrics()

Default constructor.

VisorMemoryMetrics

public VisorMemoryMetrics(DataRegionMetrics m)

Parameters:

m - Metrics instance to create DTO.

Method Detail

getName

public String getName()

Returns:

Name of the memory region.

getTotalAllocatedPages

public long getTotalAllocatedPages()

Returns:

Total number of allocated pages.

getAllocationRate

public float getAllocationRate()

Returns:

Number of allocated pages per second.

getEvictionRate

public float getEvictionRate()

Returns:

Eviction rate.

getLargeEntriesPagesPercentage

public float getLargeEntriesPagesPercentage()

Returns:

Number of evicted pages per second.

getPagesFillFactor

public float getPagesFillFactor()

Returns:

Percentage of pages fully occupied by large entities.

getDirtyPages

public long getDirtyPages()

Returns:

Current number of dirty pages.

getPagesReplaceRate

public float getPagesReplaceRate()

Returns:

Pages per second replace rate.

getPhysicalMemoryPages

public long getPhysicalMemoryPages()

Returns:

Total number of pages loaded to RAM.

getTotalAllocatedSize

public long getTotalAllocatedSize()

Returns:

Total size of memory allocated, in bytes.

getPhysicalMemorySize

public long getPhysicalMemorySize()

Returns:

Total size of pages loaded to RAM in bytes.

getCheckpointBufferPages

public long getCheckpointBufferPages()

This method needed for compatibility with V2.

Returns:

Used checkpoint buffer size in pages.

getCheckpointBufferSize

public long getCheckpointBufferSize()

Returns:

@return Checkpoint buffer size in bytes.

getUsedCheckpointBufferPages

public long getUsedCheckpointBufferPages()

Returns:

Used checkpoint buffer size in pages.

getUsedCheckpointBufferSize

public long getUsedCheckpointBufferSize()

Returns:

Used checkpoint buffer size in bytes.

getPageSize

public int getPageSize()

Returns:

Page size in bytes.

getPagesRead

public long getPagesRead()

Returns:

The number of read pages from last restart.

getPagesWritten

public long getPagesWritten()

Returns:

The number of written pages from last restart.

getPagesReplaced

public long getPagesReplaced()

Returns:

The number of replaced pages from last restart .

getOffHeapSize

public long getOffHeapSize()

Returns:

Total offheap size in bytes.

getOffheapUsedSize

public long getOffheapUsedSize()

Returns:

Total used offheap size in bytes.

getProtocolVersion

public byte getProtocolVersion()

Overrides:

getProtocolVersion in class VisorDataTransferObject

Returns:

Transfer object version.

writeExternalData

protected void writeExternalData(ObjectOutput out)
                          throws IOException

Save object's specific data content.

Specified by:

writeExternalData in class VisorDataTransferObject

Parameters:

out - Output object to write data content.

Throws:

IOException - If I/O errors occur.

readExternalData

protected void readExternalData(byte protoVer,
                                ObjectInput in)
                         throws IOException,
                                ClassNotFoundException

Load object's specific data content.

Specified by:

readExternalData in class VisorDataTransferObject

Parameters:

protoVer - Input object version.

in - Input object to load data content.

Throws:

IOException - If I/O errors occur.

ClassNotFoundException - If the class for an object being restored cannot be found.

toString

public String toString()

Overrides:

toString in class Object