Is it requirede to do mapping for elastic search indexing or it will be created at the time of crating the index
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Explanation:
Mapping is the process of defining how a document, and the fields it contains, are stored and indexed. For instance, use mappings to define:
which string fields should be treated as full text fields.
which fields contain numbers, dates, or geolocations.
the format of date values.
custom rules to control the mapping for dynamically added fields.
A mapping definition has:
Metadata fields
Metadata fields are used to customize how a document’s associated metadata is treated. Examples of metadata fields include the document’s _index, _id, and _source fields.
Fields
A mapping contains a list of fields or properties pertinent to the document. Each field has its own data type
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