org.apache.ignite.internal.visor.node

Class VisorPersistenceMetrics

java.lang.Object

org.apache.ignite.internal.visor.VisorDataTransferObject

org.apache.ignite.internal.visor.node.VisorPersistenceMetrics

All Implemented Interfaces:

Externalizable, Serializable

public class VisorPersistenceMetrics
extends VisorDataTransferObject

DTO object for DataStorageMetrics.

See Also:

Serialized Form

Field Summary

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

V1, V2, V3

Constructor Summary

Constructors

Constructor and Description
VisorPersistenceMetrics() Default constructor.
VisorPersistenceMetrics(DataStorageMetrics metrics)

Method Summary

Modifier and Type	Method and Description
long	getLastCheckpointCopiedOnWritePagesNumber()
long	getLastCheckpointDataPagesNumber()
long	getLastCheckpointFsyncDuration()
long	getLastCheckpointingDuration()
long	getLastCheckpointLockWaitDuration()
long	getLastCheckpointMarkDuration()
long	getLastCheckpointPagesWriteDuration()
long	getLastCheckpointTotalPagesNumber()
int	getWalArchiveSegments()
float	getWalFsyncTimeAverage()
float	getWalLoggingRate()
float	getWalWritingRate()
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

getProtocolVersion, readExternal, toList, toSet, writeExternal

Methods inherited from class java.lang.Object

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

Constructor Detail

VisorPersistenceMetrics

public VisorPersistenceMetrics()

Default constructor.

VisorPersistenceMetrics

public VisorPersistenceMetrics(DataStorageMetrics metrics)

Parameters:

metrics - Persistence metrics.

Method Detail

getWalLoggingRate

public float getWalLoggingRate()

Returns:

Average number of WAL records per second written during the last time interval.

getWalWritingRate

public float getWalWritingRate()

Returns:

Average number of bytes per second written during the last time interval.

getWalArchiveSegments

public int getWalArchiveSegments()

Returns:

Current number of WAL segments in the WAL archive.

getWalFsyncTimeAverage

public float getWalFsyncTimeAverage()

Returns:

Average WAL fsync duration in microseconds over the last time interval.

getLastCheckpointingDuration

public long getLastCheckpointingDuration()

Returns:

Total checkpoint duration in milliseconds.

getLastCheckpointLockWaitDuration

public long getLastCheckpointLockWaitDuration()

Returns:

Checkpoint lock wait time in milliseconds.

getLastCheckpointMarkDuration

public long getLastCheckpointMarkDuration()

Returns:

Checkpoint mark duration in milliseconds.

getLastCheckpointPagesWriteDuration

public long getLastCheckpointPagesWriteDuration()

Returns:

Checkpoint pages write phase in milliseconds.

getLastCheckpointFsyncDuration

public long getLastCheckpointFsyncDuration()

Returns:

Checkpoint fsync time in milliseconds.

getLastCheckpointTotalPagesNumber

public long getLastCheckpointTotalPagesNumber()

Returns:

Total number of pages written during the last checkpoint.

getLastCheckpointDataPagesNumber

public long getLastCheckpointDataPagesNumber()

Returns:

Total number of data pages written during the last checkpoint.

getLastCheckpointCopiedOnWritePagesNumber

public long getLastCheckpointCopiedOnWritePagesNumber()

Returns:

Total number of pages copied to a temporary checkpoint buffer during the last checkpoint.

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