# Package org.apache.lucene.codecs.memory

package org.apache.lucene.codecs.memory
Term dictionary, DocValues or Postings formats that are read entirely into memory.

Classes
Class
Description
DirectPostingsFormat
Wraps `Lucene912PostingsFormat` format for on-disk storage, but then at read time loads and stores all terms and postings directly in RAM as byte[], int[].
FSTPostingsFormat
FST term dict + Lucene50PBF
FSTTermsReader
FST-based terms dictionary reader.
FSTTermsWriter
FST-based term dict, using metadata as FST output.