SigNoz is an open-source APM. It helps developers monitor their applications & troubleshoot problems, an open-source alternative to DataDog, NewRelic, etc.

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In Kubernetes installation:
`kubectl -n platform top pods`

In standalone VM installation:
`sudo docker stats --no-stream`

<@U042QD51ZJP> alerts are evaluated at query-service. Otel-collectors are only responsible for ingestion

yes, I know that, but some otel-collector are taken near of 2.5 GB of Ram. Is a way to calculate the correct limits ?

It really depends on the amount of the data you are scraping. How many scrape jobs do you have and how many metrics do they each produce?