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Mapper plugins allow new field datatypes to be added to Elasticsearch.
The core mapper plugins are:
- Mapper Size Plugin
- The mapper-size plugin provides the
_sizemeta field which, when enabled, indexes the size in bytes of the original
- Mapper Murmur3 Plugin
- The mapper-murmur3 plugin allows hashes to be computed at index-time and stored
in the index for later use with the
- Mapper Annotated Text Plugin
- The annotated text plugin provides the ability to index text that is a combination of free-text and special markup that is typically used to identify items of interest such as people or organisations (see NER or Named Entity Recognition tools).