docs: add metric count guidance to RAM requirements (#22058)
docs: add UNIQUE_METRICS query guidance to RAM requirements Co-authored-by: nedi-app[bot] <bot@netdata.cloud>
nedi-app[bot] committed
Apr 23, 2026 at 15:03 UTC
4dc76b150d58f64d3e7eb86c8bea94e3110ac700
1 file changed
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docs/netdata-agent/sizing-netdata-agents/ram-requirements.md
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@@ -53,6 +53,14 @@ memory = UNIQUE_METRICS x 16KiB + CONFIGURED_CACHES
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The default `CONFIGURED_CACHES` is 32MiB.
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+To determine `UNIQUE_METRICS` for your Agent, query the `/api/v3/info` endpoint:
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+
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+```bash
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+curl -s http://localhost:19999/api/v3/info | jq '.agents[0].metrics.collected'
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+```
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+This returns the number of unique time-series currently being collected.
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For **one million concurrently collected time-series** (independently of their data collection frequency), **the required memory is 16 GiB**. In detail:
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```text