DATA OPS
Weekly orphaned stale-table cleanup review
Weekly, finds warehouse tables that have been stale far beyond their SLA with no downstream consumers.
How it runs
The automated pipeline, trigger to output.
- TriggerWeekly cleanup schedule
- ActionFind tables stale past SLA windowBigQuery
- ActionCheck lineage + access logs for consumersBigQuery
- LogicRank orphaned decommission candidates
- ActionCreate review page with evidenceNotion
- OutputLink review to platform teamSlack
What it does
Finds the cost-and-clutter problem hiding behind freshness alerts: tables that stopped updating long ago and that nothing downstream reads. It cross-references staleness against lineage consumption and query history, then compiles a decommission-candidate list for human review instead of auto-deleting anything.
When to use it
Use it for periodic warehouse hygiene when stale-table alerts accumulate for assets nobody actually depends on. It converts alert fatigue into a deliberate cleanup decision with an audit trail.
How it works
- 1A weekly schedule starts the review.
- 2A BigQuery query identifies tables stale well past their SLA window.
- 3A second query checks lineage edges and recent access logs to find which stale tables have zero downstream consumers and no recent reads.
- 4A logic step ranks candidates by storage footprint and days-since-last-read.
- 5A Notion page is created listing each candidate with evidence and an owner approval checkbox.
- 6A Slack message links the review page to the data platform team.
Set it up
What you configure once, before turning it on.
- 1Connect BigQueryDatasets, queries, schemas.
- 2Connect NotionPages, databases, comments.
- 3Connect SlackChannels, DMs, threads, mentions.
- 4Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
- 5Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
- 6Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.
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This workflow drops into a full company template. Import the org, and this is one of the playbooks its agents run.
Run this workflow in your colony.
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