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diff --git a/doc/telemetry/backend.md b/doc/telemetry/backend.md deleted file mode 100644 index c571439af8a..00000000000 --- a/doc/telemetry/backend.md +++ /dev/null @@ -1,34 +0,0 @@ -# Backend tracking guide - -GitLab provides `Gitlab::Tracking`, an interface that wraps the [Snowplow Ruby Tracker](https://github.com/snowplow/snowplow/wiki/ruby-tracker) for tracking custom events. - -## Tracking in Ruby - -Custom event tracking and instrumentation can be added by directly calling the `GitLab::Tracking.event` class method, which accepts the following arguments: - -| argument | type | default value | description | -|:-----------|:-------|:---------------------------|:------------| -| `category` | string | 'application' | Area or aspect of the application. This could be `HealthCheckController` or `Lfs::FileTransformer` for instance. | -| `action` | string | 'generic' | The action being taken, which can be anything from a controller action like `create` to something like an Active Record callback. | -| `data` | object | {} | Additional data such as `label`, `property`, `value`, and `context` as described [in our Feature Instrumentation taxonomy](https://about.gitlab.com/handbook/product/feature-instrumentation/#taxonomy). These will be set as empty strings if you don't provide them. | - -Tracking can be viewed as either tracking user behavior, or can be utilized for instrumentation to monitor and visual performance over time in an area or aspect of code. - -For example: - -```ruby -class Projects::CreateService < BaseService - def execute - project = Project.create(params) - - Gitlab::Tracking.event('Projects::CreateService', 'create_project', - label: project.errors.full_messages.to_sentence, - value: project.valid? - ) - end -end -``` - -### Performance - -We use the [AsyncEmitter](https://github.com/snowplow/snowplow/wiki/Ruby-Tracker#52-the-asyncemitter-class) when tracking events, which allows for instrumentation calls to be run in a background thread. This is still an active area of development. |