# Package org.apache.lucene.util.compress

Compression utilities.

See: Description

Class Summary
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 `HashTable` that only stores the last ocurrence for each hash on `2^14` bytes of memory.
LZ4.HighCompressionHashTable: A higher-precision `HashTable`.

## Package org.apache.lucene.util.compress Description

Compression utilities.