DATA OPS

BigQuery Cost Spike to Owner-Assigned Linear Ticket

When a single scheduled query's daily cost more than doubles its baseline, opens a Linear issue pre-assigned to the query's owner with the diagnostic query text and cost math…

CategoryData Ops
Enginesim
Difficultyintermediate
Triggerschedule
Steps6
Setup~15 min

How it runs

The automated pipeline, trigger to output.

  • TriggerDaily 6am schedule
  • ActionPull per-query cost vs 30-day baselineGoogle BigQueryBigQuery
  • LogicKeep queries that 2x'd and crossed dollar floor
  • ActionResolve owner from transfer-config metadataGoogle BigQueryBigQuery
  • ActionCreate assigned Linear issue with SQL + cost mathLinearLinear
  • OutputPost issue link to SlackSlack

What it does

Watches for hard cost spikes on individual BigQuery scheduled queries and, instead of just alerting, files an actionable Linear issue. The issue is assigned to the engineer who owns the query, titled with the query name and cost delta, and pre-filled with the offending SQL, the bytes-billed trend, and a checklist for remediation (partition filter, clustering, materialization). It turns a cost anomaly into tracked, owned work.

When to use it

Use this when alerts alone get ignored. Routing a spike straight into your issue tracker as assigned work creates accountability and a paper trail your data platform team can review in standup.

How it works

  1. 1A 6am schedule triggers the check.
  2. 2BigQuery pulls each scheduled query's yesterday cost versus its 30-day baseline.
  3. 3A logic gate keeps only queries that at least doubled and crossed a dollar floor.
  4. 4For each survivor, an owner lookup resolves the assignee from transfer-config metadata.
  5. 5Linear creates an assigned issue with SQL text, cost math, and a remediation checklist.
  6. 6Slack drops a thread link so the owner sees it immediately.

Set it up

What you configure once, before turning it on.

  1. 1
    Connect BigQueryDatasets, queries, schemas.
  2. 2
    Connect LinearIssues, projects, cycles, triage.
  3. 3
    Connect SlackChannels, DMs, threads, mentions.
  4. 4
    Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
  5. 5
    Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
  6. 6
    Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.

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