docs: add GreptimeDB performance and health-check skills#2591
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Add four new agent skills: performance diagnosis, performance tuning, table design, and cluster health check. Register them in skills/README.md. Signed-off-by: evenyag <realevenyag@gmail.com>
Use distinct hosts in the cluster-health-check smoke test so the deduplicating table keeps both rows. Point the grafana links in the diagnosis and health-check skills to the dashboards directory, the canonical source for the referenced metric names. Signed-off-by: evenyag <realevenyag@gmail.com>
Signed-off-by: evenyag <realevenyag@gmail.com>
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| - CPU: `rate(process_cpu_seconds_total[$__rate_interval])` vs | ||
| `greptime_cpu_limit_in_millicores` |
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When agents use this health check to decide whether a pod is near its CPU limit, rate(process_cpu_seconds_total[$__rate_interval]) is reported in CPU cores/seconds, but greptime_cpu_limit_in_millicores is in millicores. The existing key-metrics docs multiply the process CPU rate by 1000 before displaying it in millicores, so this comparison makes CPU usage look 1000x smaller than the limit and can incorrectly mark saturated pods as healthy.
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What's Changed in this PR
Adds GreptimeDB AI-agent skills for performance diagnosis, performance tuning, table design, and cluster health checks.
Also updates
skills/README.mdwith descriptions and install commands for the new skills.Checklist
sidebars.tsmatches the current document structure when you changed the document structure.