<!--IssueSummary start--> <details> <summary> Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards. </summary> - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=552078) </details> <!--IssueSummary end--> ## Problem To further reclaim space on an ongoing basis, with the pipeline archival period enabled on Gitlab.com we could align the creation of CI partitions to a more time based so that archiving old partitions is more straight forward. Once all pipelines in a partition are archived we can truncate the old partitions, reclaiming space from unused data. ## Dependencies :warning: Removing archived pipelines is subordinate to https://gitlab.com/groups/gitlab-org/-/epics/19547+ :warning: ## Proposal Update https://gitlab.com/gitlab-org/gitlab/-/blob/master/app/models/concerns/ci/partitionable.rb?plain=1#L86 for job_definitions and job_definitions_instances models to detach archived partitions.