description:This metric only returns a value of PostgreSQL in supported versions of GitLab. It could be removed from the usage ping. Historically MySQL was also supported.
@@ -30,13 +30,13 @@ Each metric is defined in a separate YAML file consisting of a number of fields:
| `description` | yes | |
| `value_type` | yes | |
| `status` | yes | |
| `group` | yes | The [group](https://about.gitlab.com/handbook/product/categories/#devops-stages) that owns the metric. |
| `product_group` | yes | The [group](https://about.gitlab.com/handbook/product/categories/#devops-stages) that owns the metric. |
| `time_frame` | yes | `string`; may be set to a value like "7d" |
| `data_source` | yes | `string`: may be set to a value like `database` or `redis_hll`. |
| `distribution` | yes | The [distribution](https://about.gitlab.com/handbook/marketing/strategic-marketing/tiers/#definitions) where the metric applies. |
| `tier` | yes | The [tier](https://about.gitlab.com/handbook/marketing/strategic-marketing/tiers/) where the metric applies. |
| `product_category` | no | The [product category](https://gitlab.com/gitlab-com/www-gitlab-com/blob/master/data/categories.yml) for the metric. |
| `stage` | no | The [stage](https://gitlab.com/gitlab-com/www-gitlab-com/blob/master/data/stages.yml) for the metric. |
| `product_stage` | no | The [stage](https://gitlab.com/gitlab-com/www-gitlab-com/blob/master/data/stages.yml) for the metric. |
| `milestone` | no | The milestone when the metric is introduced. |
| `milestone_removed` | no | The milestone when the metric is removed. |
| `introduced_by_url` | no | The URL to the Merge Request that introduced the metric. |