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---
stage: Monitor
group: APM
info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
---
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# Tracing **(ULTIMATE)**
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> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/7903) in GitLab Ultimate 11.5.
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Tracing provides insight into the performance and health of a deployed application,
tracking each function or microservice which handles a given request.
This makes it easy to
understand the end-to-end flow of a request, regardless of whether you are using a monolithic or distributed system.
## Jaeger tracing
[Jaeger ](https://www.jaegertracing.io/ ) is an open source, end-to-end distributed
tracing system used for monitoring and troubleshooting microservices-based distributed
systems.
### Deploying Jaeger
To learn more about deploying Jaeger, read the official
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[Getting Started documentation ](https://www.jaegertracing.io/docs/latest/getting-started/ ).
There is an easy to use [all-in-one Docker image ](https://www.jaegertracing.io/docs/latest/getting-started/#AllinoneDockerimage ),
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as well as deployment options for [Kubernetes ](https://github.com/jaegertracing/jaeger-kubernetes )
and [OpenShift ](https://github.com/jaegertracing/jaeger-openshift ).
### Enabling Jaeger
GitLab provides an easy way to open the Jaeger UI from within your project:
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1. [Set up Jaeger ](https://www.jaegertracing.io ) and configure your application using one of the
[client libraries ](https://www.jaegertracing.io/docs/latest/client-libraries/ ).
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1. Navigate to your project's **Settings > Operations** and provide the Jaeger URL.
1. Click **Save changes** for the changes to take effect.
1. You can now visit **Operations > Tracing** in your project's sidebar and
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GitLab will redirect you to the configured Jaeger URL.
