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## Summary Adds a Mobile specific setting, `SessionSampleRate`. This dictates the sample rate of all signals (spans, metrics, & logs) on a per-session basis. ### Checklist Delete any items that are not applicable to this PR. - [x] Any text added follows [EUI's writing guidelines](https://elastic.github.io/eui/#/guidelines/writing), uses sentence case text and includes [i18n support](https://github.com/elastic/kibana/blob/main/packages/kbn-i18n/README.md) - [x] [Documentation](https://www.elastic.co/guide/en/kibana/master/development-documentation.html) was added for features that require explanation or tutorials - [x] [Unit or functional tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html) were updated or added to match the most common scenarios --------- Co-authored-by: kibanamachine <42973632+kibanamachine@users.noreply.github.com>
56 lines
2.5 KiB
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56 lines
2.5 KiB
Text
[role="xpack"]
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[[agent-configuration]]
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=== APM Agent central configuration
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++++
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<titleabbrev>Configure APM agents with central config</titleabbrev>
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++++
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APM Agent configuration allows you to fine-tune your APM agent configuration from within the APM app.
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Changes are automatically propagated to your APM agents, so there's no need to redeploy.
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To get started, choose the services and environments you wish to configure.
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The APM app will let you know when your APM agents have applied your configurations.
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[role="screenshot"]
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image::apm/images/apm-agent-configuration.png[APM Agent configuration in Kibana]
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[float]
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==== Precedence
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Configurations set from the APM app take precedence over configurations set locally in each APM agent.
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However, if APM Server is slow to respond, is offline, reports an error, etc.,
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APM agents will use local defaults until they're able to update the configuration.
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For this reason, it is still essential to set custom default configurations locally in each of your APM agents.
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[float]
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==== Supported configurations
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Each APM agent has a list of supported configurations.
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After selecting a Service name and environment in the APM app,
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a list of all supported configuration options,
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including descriptions and default values, will be displayed.
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Supported configurations are also tagged with the image:./images/dynamic-config.svg[] badge in each APM agent's configuration reference:
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[horizontal]
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Android agent:: {apm-android-ref}/configuration.html[Configuration reference]
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Go agent:: {apm-go-ref}/configuration.html[Configuration reference]
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iOS agent:: {apm-ios-ref}/configuration.html[Configuration reference]
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Java agent:: {apm-java-ref}/configuration.html[Configuration reference]
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.NET agent:: {apm-dotnet-ref}/configuration.html[Configuration reference]
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Node.js agent:: {apm-node-ref}/configuration.html[Configuration reference]
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PHP agent:: {apm-php-ref}/configuration.html[Configuration reference]
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Python agent:: {apm-py-ref}/configuration.html[Configuration reference]
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Ruby agent:: {apm-ruby-ref}/configuration.html[Configuration reference]
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Real User Monitoring (RUM) agent:: {apm-rum-ref}/configuration.html[Configuration reference]
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[float]
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==== APM Server configuration
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For most users, APM agent configuration should work out-of-the-box.
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If you run into trouble, it may be because you're not using the {es} output,
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or because your {es} credentials don't have sufficient privileges.
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See {apm-guide-ref}/configure-agent-config.html[configure APM agent configuration]
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to learn how to configure APM Server to avoid these problems.
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