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[DOCS] Remove metrics sidebar in `_source` docs (#60777) (#60786)

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James Rodewig 2020-08-05 16:19:47 -04:00 committed by GitHub
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docs/reference/mapping/fields/source-field.asciidoc
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@ -51,21 +51,6 @@ and <<docs-reindex,`reindex`>> APIs.
TIP: If disk space is a concern, rather increase the
<<index-codec,compression level>> instead of disabling the `_source`.
.The metrics use case
**************************************************
The _metrics_ use case is distinct from other time-based or logging use cases
in that there are many small documents which consist only of numbers, dates,
or keywords. There are no updates, no highlighting requests, and the data
ages quickly so there is no need to reindex. Search requests typically use
simple queries to filter the dataset by date or tags, and the results are
returned as aggregations.
In this case, disabling the `_source` field will save space and reduce I/O.
**************************************************
[[include-exclude]]
==== Including / Excluding fields from `_source`