Hello, We just want to have a clear understanding of the _source field. Is it going to be indexed or stored? if it is stored where it is going to be stored. As an experiment, we disabled the _source using PUT index_name/_mapping {enable=false}, and we were unable to see the source in the discovery…

If you have questions about the disk usage of individual fields in an index, it is simplest to use the analyze index disk usage API to investigate more deeply.

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_source field storage (_source Field Overview)

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system (system) Closed September 12, 2023, 11:48am 10

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Topic		Replies	Views
Removing _source increases size of index Elasticsearch	4	1038	October 7, 2021
Disable _source field Elasticsearch	5	1451	July 6, 2023
Disable _source field Elasticsearch	10	6176	June 14, 2018
_source disabled Elasticsearch	11	536	July 6, 2017
Enabling/Disabling _source field query Elasticsearch	6	707	April 2, 2019

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_source field storage (_source Field Overview)

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