The number of collectors depends on the tools your team uses for source data, like GitLab or Jira. For each domain (e.g., a Jira board or GitLab instance), you need one collector.
### How many collectors do I need?
The number of collectors is determined by the number of domains. For example, two running instances of a gitlab-scm-collector may require two instances of the GitLab collector. For details refer to the [Collector Environmental Variables](#collector-environmental-variables) section below.
The number of collectors is determined by the number of domains. For example, two running instances of a gitlab-scm-collector may require two instances of the GitLab collector. For details refer to the [Co