History

Viktor ecd6ed186f Update readme.md		2023-03-21 17:33:02 +01:00
..
src	The refactoring will continue until morale improves.	2023-03-12 10:50:31 +01:00
build.gradle	The refactoring will continue until morale improves.	2023-03-12 10:50:31 +01:00
readme.md	Update readme.md	2023-03-21 17:33:02 +01:00

readme.md

Lexicon

The lexicon contains a mapping for words to identifiers. This lexicon is populated from a journal. The actual word data isn't mapped, but rather a 64 bit hash.

The lexicon is constructed by processes/loading-process and read when services-core/index-service interprets queries.

Central Classes

KeywordLexicon
KeywordLexiconJournal
DictionaryMap comes in two versions
- OnHeapDictionaryMap - basically just a fastutil Long2IntOpenHashMap
- OffHeapDictionaryHashMap - a heavily modified trove TLongIntHashMap that uses off heap memory