diskReg

Class DiskRegUtil

java.lang.Object

diskReg.DiskRegUtil

public class DiskRegUtil
extends Object

Constructor Summary

Constructors

Constructor and Description
DiskRegUtil()

Method Summary

Modifier and Type	Method and Description
static long	compareValues(com.gemstone.gemfire.cache.Region aRegion, Object key) Compare the values for the given key as it appears in the VM, and as it appears in the disk region.
static long	getBufferSize(com.gemstone.gemfire.cache.Region aRegion) Get the current number of bytes in the disk write buffer.
static long	getBytesWritten(com.gemstone.gemfire.cache.Region aRegion) Get the total number of bytes that have been written to disk.
static long	getCommits(com.gemstone.gemfire.cache.Region aRegion) Get the total number of commit operations.
static long	getNumEntriesInVM(com.gemstone.gemfire.cache.Region aRegion) Get the number of entries in the region whose value resides in the VM
static long	getNumEntriesWrittenToDisk(com.gemstone.gemfire.cache.Region aRegion) Get the number of entries that have been written to disk.
static long	getNumOverflowOnDisk(com.gemstone.gemfire.cache.Region aRegion) Get the number of entries that have overflowed to disk.
static long	getRecoveredEntryCount(com.gemstone.gemfire.cache.Region aRegion) Get the number of entries recovered from disk.
static long	getRemoves(com.gemstone.gemfire.cache.Region aRegion) Get the number of entries that have been removed from disk.
static Object	getValueInVM(com.gemstone.gemfire.cache.Region aRegion, Object key) Get the value for the given key as it appears in the VM.
static Object	getValueOnDiskOrBuffer(com.gemstone.gemfire.cache.Region aRegion, Object key) Get the value for the given key as it appears on disk.
static boolean	isBackup(com.gemstone.gemfire.cache.Region aRegion) True if disk region is a backup of the region.

Methods inherited from class java.lang.Object

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

Constructor Detail

DiskRegUtil

public DiskRegUtil()

Method Detail

getNumEntriesInVM

public static long getNumEntriesInVM(com.gemstone.gemfire.cache.Region aRegion)

Get the number of entries in the region whose value resides in the VM

getNumEntriesWrittenToDisk

public static long getNumEntriesWrittenToDisk(com.gemstone.gemfire.cache.Region aRegion)

Get the number of entries that have been written to disk. Note: this does not take removes into consideration. It is the total number of entries that have been written to disk thus far, not the current number of entries on disk.

getNumOverflowOnDisk

public static long getNumOverflowOnDisk(com.gemstone.gemfire.cache.Region aRegion)

Get the number of entries that have overflowed to disk.

getValueInVM

public static Object getValueInVM(com.gemstone.gemfire.cache.Region aRegion,
                                  Object key)

Get the value for the given key as it appears in the VM.

Parameters:

aRegion - The region that contains the key.

key - The key in the region.

getValueOnDiskOrBuffer

public static Object getValueOnDiskOrBuffer(com.gemstone.gemfire.cache.Region aRegion,
                                            Object key)

Get the value for the given key as it appears on disk.

Parameters:

aRegion - The region that contains the key.

key - The key in the region.

compareValues

public static long compareValues(com.gemstone.gemfire.cache.Region aRegion,
                                 Object key)

Compare the values for the given key as it appears in the VM, and as it appears in the disk region.

Parameters:

region - a region expected to contain the values.

key - an Object containing the key in the region.

getRecoveredEntryCount

public static long getRecoveredEntryCount(com.gemstone.gemfire.cache.Region aRegion)

Get the number of entries recovered from disk.

Parameters:

aRegion - The region.

isBackup

public static boolean isBackup(com.gemstone.gemfire.cache.Region aRegion)

True if disk region is a backup of the region.

Parameters:

aRegion - The region.

getBufferSize

public static long getBufferSize(com.gemstone.gemfire.cache.Region aRegion)

Get the current number of bytes in the disk write buffer.

getBytesWritten

public static long getBytesWritten(com.gemstone.gemfire.cache.Region aRegion)

Get the total number of bytes that have been written to disk.

getCommits

public static long getCommits(com.gemstone.gemfire.cache.Region aRegion)

Get the total number of commit operations.

getRemoves

public static long getRemoves(com.gemstone.gemfire.cache.Region aRegion)

Get the number of entries that have been removed from disk.