latency-investigation
Skill2 starsChanged 42 days agoMITView on GitHub
Playbook for investigating slow responses or high latency (p95/p99) of a service.
In this repository3 other files it gives its agents.
- capacity-planningSkill
- deploy-regression-checkSkill
- error-spike-triageSkill
The file
We split this skill into the rules it gives an agent
2 rules. About 0 are common, 2 are distinctive, and 0 are very specific to this project.
≈0
Common · estimate
Many files like this have a rule of this kind.
≈2
Distinctive · estimate
This author's own choices. Worth a look.
0
Very specific
Tied to their project's names, files or tools. Probably skip.
- Common
- Distinctive
- Very specific
- Distinctive: line 6
Check downstream dependencies: DB pool saturation (db_pool_connections_in_use vs db_pool_connections_max).
- Distinctive: line 7
Search error/timeout logs for the service and its dependencies in the same window.
≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.
Files
- Pull the p99 latency trend for the service over the last hour (range query on http_request_duration_seconds_bucket).
- Check downstream dependencies: DB pool saturation (db_pool_connections_in_use vs db_pool_connections_max).
- Search error/timeout logs for the service and its dependencies in the same window.
- Report: when it started, peak value, likely cause, whether it has recovered.
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