Lucene--field.store (storage domain option) and Field.index (index option)

Field.Store.YES or no (storage domain option)

Set to Yes or the contents of this field are completely stored in a file for easy text restoration

Set to no means that the contents of this field are not stored in the file, but can be indexed, at which point the content cannot be completely restored (Doc.get)

Field.index (index option)

Index.analyzed: Word segmentation and indexing for headings, content, etc.

index.not_analyzed: Indexing, but no word segmentation, if the Social security number, name, ID, etc., for the exact search

Index.analyzed_not_norms: The word breaker does not store norms information, and this norms includes information such as time and weights for creating the index

Index.not_analyzed_not_norms: That is, do not do participle or store norms information

Index.no: Do not index

Lucene--field.store (storage domain option) and Field.index (index option)