kibana/docs/apm/using-the-apm-ui.asciidoc
Casper Hübertz 92026c3db8
[DOCS] APM UI docs for ML and query bar features (#21727)
Adding content for Machine Learning integration and query bar UI in the Using the APM UI docs.
2018-08-08 11:54:17 +02:00

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[role="xpack"]
[[apm-ui]]
== Using the APM UI
The APM UI is designed to be as intuitive as possible, but you might come across certain terms or concepts that dont feel native to you. Not to worry, thats why weve created this guide to help you get the most out of the solution.
* <<services>>
* <<transactions>>
* <<spans>>
* <<errors>>
* <<errors-alerts-with-watcher>>
* <<machine-learning-integration>>
* <<query-bar>>
[[services]]
=== Services
You can add services by setting the `service.name` in the APM agent configuration per service youre instrumenting. The global time range filter in Kibana defines which services are available. The Services overview gives you a quick insight into the health and general performance of each service.
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image::apm/images/apm-services-overview.png[Example view of services table the APM UI in Kibana]
[[transactions]]
=== Transactions
The APM agents automatically collect performance metrics on HTTP requests, database queries, and much more. Please refer to the documentation for each agent for more detail. Each `transaction.type` is displayed separately to make it easy for you to navigate to the transaction.
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image::apm/images/apm-transactions-overview.png[Example view of transactions table in the APM UI in Kibana]
[[spans]]
=== Spans
A span is defined as the duration of a single event. Spans are automatically captured by the APM agents, but you can also define custom spans. Each span has a type and is defined by a different colour in the Timeline visualization (also known as the waterfall).
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image::apm/images/apm-transaction-detail.png[Example view of transactions detail page in the APM UI in Kibana]
You can view a span in detail by clicking it in the Timeline. This displays the recorded SQL database query or source code (in-app frames) around the event that was captured.
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image::apm/images/apm-span-detail.png[Example view of a span detail in the APM UI in Kibana]
[[errors]]
=== Errors
Errors are defined as groups of exceptions with matching exception or log messages. Each error group features a breakdown of the exception including the stackframes from when the error occurred and additional contextual information to help debug the issue.
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image::apm/images/apm-errors-overview.png[Example view of the errors overview in the APM UI in Kibana]
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image::apm/images/apm-error-group.png[Example view of the error group page in the APM UI in Kibana]
[[errors-alerts-with-watcher]]
=== Errors alerts with Watcher
You can use the power of the alerting features with Watcher to get alerts on error occurrences. The Watcher assistant, which is available on the Errors overview page, can help you set up a watch per service.
Configure the watch with occurrences threshold and time interval and set the desired actions, such as email or Slack notifications. Your team can be set up with alerts in minutes.
Watches are managed separately in the dedicated Watcher UI available in Advanced Settings.
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image::apm/images/apm-errors-watcher-assistant.png[Example view of the Watcher assistant for errors in APM UI in Kibana]
[[machine-learning-integration]]
=== Machine Learning integration (beta)
[NOTE]
============
Please note this feature is in beta. We kindly ask that you https://discuss.elastic.co/c/apm[provide feedback] if you experience any issues.
============
The Machine Learning integration will initiate a new job predefined to calculate anomaly scores on transaction response times. The response time graph will show the expected bounds and annotate the graph when the anomaly score is 75 or above.
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image::apm/images/apm-ml-integration.png[Example view of anomaly scores on response times in APM UI in Kibana]
Jobs can be created per transaction type and based on the average response time. You can manage jobs in the Machine Learning jobs management page. It might take some time for results to appear on the graph.
[[query-bar]]
=== Query bar (beta)
[NOTE]
============
Please note this feature is in beta. We kindly ask that you https://discuss.elastic.co/c/apm[provide feedback] if you experience any issues.
============
The query bar is a powerful data query feature. Similar to the query bar in {kibana-ref}/discover.html[Discover] it enables you to pass advanced queries on your data to filter on particular pieces of information that you're interested in. It comes with a handy autocomplete that helps find the fields and even provides suggestions to the data they include. The query bar is available on Services, Transaction and Errors views, and any input will persist as you move between them.
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image::apm/images/apm-query-bar.png[Example of the Kibana Query bar in APM UI in Kibana]
==== Example queries
* Exclude response times faster than 2000 ms; `transaction.duration.us > 2000000`
* Filter by response status code; `context.response.status_code >= 400`
* Filter by single user ID; `context.user.id : 12`
Read the {kibana-ref}/kuery-query.html[Kibana Query Language Enhancements] documentation to learn more about the capabilities in the Kibana query language.