elasticsearch/docs/reference/elasticsearch/mapping-reference/document-metadata-fields.md
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Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com>
Co-authored-by: Liam Thompson <leemthompo@gmail.com>
Co-authored-by: Martijn Laarman <Mpdreamz@gmail.com>
Co-authored-by: István Zoltán Szabó <szabosteve@gmail.com>
2025-02-27 17:56:14 +01:00

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mapped_pages
https://www.elastic.co/guide/en/elasticsearch/reference/current/mapping-fields.html

Document metadata fields [mapping-fields]

Each document has metadata associated with it, such as the _index and _id metadata fields. The behavior of some of these metadata fields can be customized when a mapping is created.

Identity metadata fields [_identity_metadata_fields]

_index
The index to which the document belongs.
_id
The documents ID.

Document source metadata fields [_document_source_metadata_fields]

_source
The original JSON representing the body of the document.
_size
The size of the _source field in bytes, provided by the mapper-size plugin.

Doc count metadata field [_doc_count_metadata_field]

_doc_count
A custom field used for storing doc counts when a document represents pre-aggregated data.

Indexing metadata fields [_indexing_metadata_fields]

_field_names
All fields in the document which contain non-null values.
_ignored
All fields in the document that have been ignored at index time because of ignore_malformed.

Routing metadata field [_routing_metadata_field]

_routing
A custom routing value which routes a document to a particular shard.

Other metadata field [_other_metadata_field]

_meta
Application specific metadata.
_tier
The current data tier preference of the index to which the document belongs.