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7 changes: 3 additions & 4 deletions docs/apm/troubleshooting.asciidoc
Original file line number Diff line number Diff line change
Expand Up @@ -73,10 +73,9 @@ You can also use the Agent's public API to manually set a name for the transacti

==== Fields are not searchable

In Elasticsearch, index patterns are used to define settings and mappings that determine how fields should be analyzed.
The recommended index template file for APM Server is installed when Kibana starts.
This template defines which fields are available in Kibana for features like the Kuery bar,
or for linking to other plugins like Logs, Uptime, and Discover.
In Elasticsearch, index templates are used to define settings and mappings that determine how fields should be analyzed.
The recommended index template file for APM Server is installed by the APM Server packages.
This template, by default, enables and disables indexing on certain fields.

As an example, some agents store cookie values in `http.request.cookies`.
Since `http.request` has disabled dynamic indexing, and `http.request.cookies` is not declared in a custom mapping,
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