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85 lines
3.9 KiB
Text
85 lines
3.9 KiB
Text
[role="xpack"]
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[[advanced-queries]]
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=== Query your data
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Querying your APM data is an essential tool that can make finding bottlenecks in your code even more straightforward.
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Using the query bar, a powerful data query feature, you can pass advanced queries on your data
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to filter on specific pieces of information you’re interested in.
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The query bar comes with a handy autocomplete that helps find the fields and even provides suggestions to the data they include.
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You can select the query bar and hit the down arrow on your keyboard to begin scanning recommendations.
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[float]
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[[apm-app-advanced-queries]]
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=== Querying in the APM app
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When querying in the APM app, you’re merely searching and selecting data from fields in {es} documents. Queries entered
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into the query bar are also added as parameters to the URL, so it’s easy to share a specific query or view with others.
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When you type, you can begin to see some of the transaction fields available for filtering:
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[role="screenshot"]
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image::apm/images/apm-query-bar.png[Example of the Kibana Query bar in APM app in Kibana]
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[TIP]
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=====
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To learn more about the {kib} query language capabilities, see the {kibana-ref}/kuery-query.html[Kibana Query Language Enhancements] documentation.
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=====
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[float]
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[[apm-app-queries]]
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==== APM app queries
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APM queries can be handy for removing noise from your data in the <<services,Services>>, <<transactions,Transactions>>,
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<<errors,Errors>>, <<metrics,Metrics>>, and <<traces,Traces>> views.
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For example, in the *Services* view, you can quickly view a list of all the instrumented services running on your production
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environment: `service.environment : production`. Or filter the list by including the APM agent's name and the host it’s running on:
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`service.environment : "production" and agent.name : "java" and host.name : "prod-server1"`.
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On the *Traces* view, you might want to view failed transaction results from any of your running containers:
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`transaction.result :"FAILURE" and container.id : *`.
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On the *Transactions* view, you may want to list only the slower transactions than a specified time threshold: `transaction.duration.us > 2000000`.
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Or filter the list by including the service version and the Kubernetes pod it's running on:
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`transaction.duration.us > 2000000 and service.version : "7.12.0" and kubernetes.pod.name : "pod-5468b47f57-pqk2m"`.
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[float]
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[[discover-advanced-queries]]
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=== Querying in Discover
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Alternatively, you can query your APM documents in {kibana-ref}/discover.html[*Discover*].
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Querying documents in *Discover* works the same way as queries in the APM app,
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and *Discover* supports all of the example APM app queries shown on this page.
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[float]
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[[discover-queries]]
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==== Discover queries
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One example where you may want to make use of *Discover*,
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is to view _all_ transactions for an endpoint instead of just a sample.
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TIP: Starting in v7.6, you can view ten samples per bucket in the APM app, instead of just one.
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Use the APM app to find a transaction name and time bucket that you're interested in learning more about.
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Then, switch to *Discover* and make a search:
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["source","sh"]
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-----
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processor.event: "transaction" AND transaction.name: "<TRANSACTION_NAME_HERE>" and transaction.duration.us > 13000 and transaction.duration.us < 14000`
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-----
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In this example, we're interested in viewing all of the `APIRestController#customers` transactions
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that took between 13 and 14 milliseconds. Here's what Discover returns:
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[role="screenshot"]
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image::apm/images/advanced-discover.png[View all transactions in bucket]
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You can now explore the data until you find a specific transaction that you're interested in.
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Copy that transaction's `transaction.id`, and paste it into the APM app to view the data in the context of the APM app:
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[role="screenshot"]
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image::apm/images/specific-transaction-search.png[View specific transaction in apm app]
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[role="screenshot"]
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image::apm/images/specific-transaction.png[View specific transaction in apm app]
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