IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
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Elastic Docs ›Elasticsearch Plugins and Integrations [8.15]

Mapper plugins

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Mapper plugins

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Mapper plugins allow new field data types to be added to Elasticsearch.

Core mapper plugins

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The core mapper plugins are:

Mapper size plugin
The mapper-size plugin provides the _size metadata field which, when enabled, indexes the size in bytes of the original _source field.
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 cardinality aggregation.
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).
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