org.apache.lucene.codecs.blocktree

Class Stats

java.lang.Object

org.apache.lucene.codecs.blocktree.Stats

public class Stats
extends Object

BlockTree statistics for a single field returned by FieldReader.getStats().

NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

Field Summary

Fields

Modifier and Type	Field and Description
int[]	blockCountByPrefixLen Number of blocks at each prefix depth.
String	field Field name.
int	floorBlockCount The number of floor blocks (meta-blocks larger than the allowed maxItemsPerBlock) in the terms file.
int	floorSubBlockCount The number of sub-blocks within the floor blocks.
long	indexArcCount How many arcs in the index FST.
long	indexNodeCount How many nodes in the index FST.
long	indexNumBytes Byte size of the index.
int	mixedBlockCount The number of "internal" blocks (that have both terms and sub-blocks).
int	nonFloorBlockCount The number of normal (non-floor) blocks in the terms file.
String	segment Segment name.
int	subBlocksOnlyBlockCount The number of "internal" blocks that do not contain terms (have only sub-blocks).
int	termsOnlyBlockCount The number of "leaf" blocks (blocks that have only terms).
int	totalBlockCount Total number of blocks.
long	totalBlockOtherBytes Total bytes stored by the PostingsReaderBase, plus the other few vInts stored in the frame.
long	totalBlockStatsBytes Total number of bytes used to store term stats (not including what the PostingsReaderBase stores.
long	totalBlockSuffixBytes Total number of bytes used to store term suffixes.
long	totalTermBytes Total number of bytes (sum of term lengths) across all terms in the field.
long	totalTermCount Total number of terms in the field.

Method Summary

Methods

Modifier and Type	Method and Description
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

indexNodeCount

public long indexNodeCount

How many nodes in the index FST.

indexArcCount

public long indexArcCount

How many arcs in the index FST.

indexNumBytes

public long indexNumBytes

Byte size of the index.

totalTermCount

public long totalTermCount

Total number of terms in the field.

totalTermBytes

public long totalTermBytes

Total number of bytes (sum of term lengths) across all terms in the field.

nonFloorBlockCount

public int nonFloorBlockCount

The number of normal (non-floor) blocks in the terms file.

floorBlockCount

public int floorBlockCount

The number of floor blocks (meta-blocks larger than the allowed maxItemsPerBlock) in the terms file.

floorSubBlockCount

public int floorSubBlockCount

The number of sub-blocks within the floor blocks.

mixedBlockCount

public int mixedBlockCount

The number of "internal" blocks (that have both terms and sub-blocks).

termsOnlyBlockCount

public int termsOnlyBlockCount

The number of "leaf" blocks (blocks that have only terms).

subBlocksOnlyBlockCount

public int subBlocksOnlyBlockCount

The number of "internal" blocks that do not contain terms (have only sub-blocks).

totalBlockCount

public int totalBlockCount

Total number of blocks.

blockCountByPrefixLen

public int[] blockCountByPrefixLen

Number of blocks at each prefix depth.

totalBlockSuffixBytes

public long totalBlockSuffixBytes

Total number of bytes used to store term suffixes.

totalBlockStatsBytes

public long totalBlockStatsBytes

Total number of bytes used to store term stats (not including what the PostingsReaderBase stores.

totalBlockOtherBytes

public long totalBlockOtherBytes

Total bytes stored by the PostingsReaderBase, plus the other few vInts stored in the frame.

segment

public final String segment

Segment name.

field

public final String field

Field name.

Method Detail

toString

public String toString()

Overrides:

toString in class Object