# Package org.apache.lucene.util.compress

package org.apache.lucene.util.compress
Compression utilities.

Related Packages
Package
Description
org.apache.lucene.util
Some utility classes.
Classes
Class
Description
LowercaseAsciiCompression
Utility class that can efficiently compress arrays that mostly contain characters in the [0x1F,0x3F) or [0x5F,0x7F) ranges, which notably include all digits, lowercase characters, '.', '-' and '_'.
LZ4
LZ4 compression and decompression routines.
LZ4.FastCompressionHashTable
Simple lossy `LZ4.HashTable` that only stores the last ocurrence for each hash on `2^14` bytes of memory.
LZ4.HighCompressionHashTable
A higher-precision `LZ4.HashTable`.