VisorPersistenceMetrics (Ignite 2.11.0)

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, V4

Constructor Summary

Constructors
Constructor and Description

VisorPersistenceMetrics()
Default constructor.

VisorPersistenceMetrics(DataStorageMetrics m)

Constructors
Constructor and Description
`VisorPersistenceMetrics()` Default constructor.
`VisorPersistenceMetrics(DataStorageMetrics m)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`long`	`getCheckpointBufferSize()`
`long`	`getCheckpointTotalTime()`
`long`	`getDirtyPages()`
`long`	`getLastCheckpointCopiedOnWritePagesNumber()`
`long`	`getLastCheckpointDataPagesNumber()`
`long`	`getLastCheckpointFsyncDuration()`
`long`	`getLastCheckpointingDuration()`
`long`	`getLastCheckpointLockWaitDuration()`
`long`	`getLastCheckpointMarkDuration()`
`long`	`getLastCheckpointPagesWriteDuration()`
`long`	`getLastCheckpointStarted()` Returns time when the last checkpoint was started.
`long`	`getLastCheckpointTotalPagesNumber()`
`long`	`getOffHeapSize()`
`long`	`getOffheapUsedSize()`
`long`	`getPagesRead()`
`long`	`getPagesReplaced()`
`long`	`getPagesWritten()`
`byte`	`getProtocolVersion()`
`long`	`getSparseStorageSize()`
`long`	`getStorageSize()`
`long`	`getTotalAllocatedSize()`
`long`	`getUsedCheckpointBufferPages()`
`long`	`getUsedCheckpointBufferSize()`
`int`	`getWalArchiveSegments()`
`long`	`getWalBuffPollSpinsRate()`
`float`	`getWalFsyncTimeAverage()`
`long`	`getWalLastRollOverTime()`
`float`	`getWalLoggingRate()`
`long`	`getWalTotalSize()`
`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
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 m)
```
    Parameters:
    
    m - 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.
  - getWalBuffPollSpinsRate
```
public long getWalBuffPollSpinsRate()
```
    Returns:
    
    WAL buffer poll spins number over the last time interval.
  - getWalTotalSize
```
public long getWalTotalSize()
```
    Returns:
    
    Total size in bytes for storage WAL files.
  - getWalLastRollOverTime
```
public long getWalLastRollOverTime()
```
    Returns:
    
    Time of the last WAL segment rollover.
  - getCheckpointTotalTime
```
public long getCheckpointTotalTime()
```
    Returns:
    
    Total checkpoint time from last restart.
  - getLastCheckpointingDuration
```
public long getLastCheckpointingDuration()
```
    Returns:
    
    Total checkpoint duration in milliseconds.
  - getLastCheckpointStarted
```
public long getLastCheckpointStarted()
```
    Returns time when the last checkpoint was started.
    
    Returns:
    
    Time when the last checkpoint was started.
  - 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.
  - getDirtyPages
```
public long getDirtyPages()
```
    Returns:
    
    Total dirty pages for the next checkpoint.
  - 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.
  - getUsedCheckpointBufferPages
```
public long getUsedCheckpointBufferPages()
```
    Returns:
    
    Checkpoint buffer size in pages.
  - getUsedCheckpointBufferSize
```
public long getUsedCheckpointBufferSize()
```
    Returns:
    
    Checkpoint buffer size in bytes.
  - getCheckpointBufferSize
```
public long getCheckpointBufferSize()
```
    Returns:
    
    Checkpoint buffer size in bytes.
  - getTotalAllocatedSize
```
public long getTotalAllocatedSize()
```
    Returns:
    
    Total size of memory allocated in bytes.
  - getStorageSize
```
public long getStorageSize()
```
    Returns:
    
    Storage space allocated in bytes.
  - getSparseStorageSize
```
public long getSparseStorageSize()
```
    Returns:
    
    Storage space allocated adjusted for possible sparsity 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

Class VisorPersistenceMetrics

Field Summary

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

Constructor Summary

Method Summary

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

Methods inherited from class java.lang.Object

Constructor Detail

VisorPersistenceMetrics

VisorPersistenceMetrics

Method Detail

getWalLoggingRate

getWalWritingRate

getWalArchiveSegments

getWalFsyncTimeAverage

getWalBuffPollSpinsRate

getWalTotalSize

getWalLastRollOverTime

getCheckpointTotalTime

getLastCheckpointingDuration

getLastCheckpointStarted

getLastCheckpointLockWaitDuration

getLastCheckpointMarkDuration

getLastCheckpointPagesWriteDuration

getLastCheckpointFsyncDuration

getLastCheckpointTotalPagesNumber

getLastCheckpointDataPagesNumber

getLastCheckpointCopiedOnWritePagesNumber

getDirtyPages

getPagesRead

getPagesWritten

getPagesReplaced

getOffHeapSize

getOffheapUsedSize

getUsedCheckpointBufferPages

getUsedCheckpointBufferSize

getCheckpointBufferSize

getTotalAllocatedSize

getStorageSize

getSparseStorageSize

getProtocolVersion

writeExternalData

readExternalData

toString