You probably want more than one Prometheus instance for that many servers, but of course it depends on how much per server you want to monitor, your network topology, etc. There are a number of things that affect the resource use of Prometheus, not just the number of targets.
This is a good starting point: https://www.robustperception.io/how-much-ram-does-prometheus-2-x-need-for-cardinality-and-ingestion On Tue, Jul 27, 2021 at 12:20 PM nina guo <[email protected]> wrote: > hi guys, > > how to decide how many CPU/MEM is required for a single Prometheus? > > Can a Prometheus instance with 32GB monitor 20000 servers? > > -- > You received this message because you are subscribed to the Google Groups > "Prometheus Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/prometheus-users/8d827128-d821-4e2f-bde9-5010dbcc3505n%40googlegroups.com > <https://groups.google.com/d/msgid/prometheus-users/8d827128-d821-4e2f-bde9-5010dbcc3505n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Prometheus Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/prometheus-users/CABbyFmrnZj8DA7y%2BhDM%2B8k7t3YLT6z8a_Oi9b9YxypLd0YJYpQ%40mail.gmail.com.
