Package com.sleepycat.db

Class HeapStats

java.lang.Object

com.sleepycat.db.DatabaseStats

com.sleepycat.db.HeapStats

public class HeapStats
extends DatabaseStats

The HeapStats object is used to return Heap database statistics.

Method Summary

Modifier and Type	Method	Description
int	getHeapExtFiles()	The number of external files.
int	getHeapMagic()	Magic number that identifies the file as a Heap file.
int	getHeapMetaFlags()	Reports internal flags.
int	getHeapNumBlobs()
int	getHeapNumRecs()	Reports the number of records in the Heap database.
int	getHeapNumRegions()	The number of regions in the Heap database.
int	getHeapPageCount()	The number of pages in the database.
int	getHeapPageSize()	The underlying database page (and bucket) size, in bytes.
int	getHeapRegionSize()	The number of pages in a region in the Heap database.
int	getHeapVersion()	The version of the Heap database.
java.lang.String	toString()	For convenience, the HeapStats class has a toString method that lists all the data fields.

Methods inherited from class java.lang.Object

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

Method Detail

getHeapMagic

public int getHeapMagic()

Magic number that identifies the file as a Heap file.

Returns:

magic number that identifies the file as a Heap file

getHeapVersion

public int getHeapVersion()

The version of the Heap database.

Returns:

the version of the Heap database

getHeapMetaFlags

public int getHeapMetaFlags()

Reports internal flags. For internal use only.

Returns:

internal flags

getHeapExtFiles

public int getHeapExtFiles()

The number of external files.

Returns:

the number of external files

getHeapNumBlobs

public int getHeapNumBlobs()

getHeapNumRecs

public int getHeapNumRecs()

Reports the number of records in the Heap database.

Returns:

the number of records in the Heap database

getHeapPageCount

public int getHeapPageCount()

The number of pages in the database.

Returns:

the number of pages in the database

getHeapPageSize

public int getHeapPageSize()

The underlying database page (and bucket) size, in bytes.

Returns:

the underlying database page size, in bytes

getHeapNumRegions

public int getHeapNumRegions()

The number of regions in the Heap database.

Returns:

the number of regions in the Heap database

getHeapRegionSize

public int getHeapRegionSize()

The number of pages in a region in the Heap database. Returned if DB_FAST_STAT is set.

Returns:

the number of pages in a region in the Heap database

toString

public java.lang.String toString()

For convenience, the HeapStats class has a toString method that lists all the data fields.

Overrides:

toString in class java.lang.Object

Returns:

a String that lists all the data fields