ENGINEERING
Post-Merge Query Regression Watch
After a PR with query changes merges, watch Honeycomb for 24 hours and alert engineering in Slack if the touched query shapes regress past their budget in production.
How it runs
The automated pipeline, trigger to output.
- TriggerPR mergedGitHub
- LogicRecord touched query shapes, set watch window
- ActionFetch live p95 for touched shapesHoneycomb
- LogicFlag regressions vs budget
- OutputAlert engineering in SlackSlack
What it does
A PR can pass the pre-merge gate on synthetic data and still regress under real production traffic. This workflow watches the specific query shapes a merged PR touched, checks Honeycomb after the change has been live long enough to gather data, and pings the engineering channel in Slack with the offending query, its new p95, and a link to the merge if it blew past budget.
When to use it
Use it as the safety net behind the CI gate, catching regressions that only appear at production scale or with real data distributions.
How it works
- 1A pull request merged event fires from GitHub.
- 2A logic step records the touched query shapes and schedules a post-merge observation window.
- 3After the window, a Honeycomb action fetches the live p95 for each touched shape.
- 4A logic step compares each against its budget and flags any regression with the responsible PR.
- 5A Slack action posts an alert to the engineering channel tagging the merge author when a regression is found.
Set it up
What you configure once, before turning it on.
- 1Connect GitHubRepos, issues, pull requests, actions.
- 2Connect HoneycombDistributed traces and queries.
- 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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Run it inside a business
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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