One reason is you may already have eight 4-core servers lying around. If it's a VM then of course you can just scale up to the largest instance size available, before you need to go to multiple instnaces.
On Saturday 13 January 2024 at 00:20:10 UTC Alexander Wilke wrote: > Hello, > sorry to hijack this thread a little bit but Brian talks about "4 CPU > cores" and Ben says "scale horizontally". > > Just for interest - why not just use 8, 16, or 32 CPU cores? Is Go limited > at a specific CPU amount or is there a disadvantage to have to many cores? > I think if someone is monitoring so many devices this is enterprise > network and servers/VMs with more CPUs are no problem. > > Ben Kochie schrieb am Freitag, 12. Januar 2024 um 21:50:57 UTC+1: > >> Those sound like reasonable amounts for those exporters. >> >> I've heard of people hitting thousands of SNMP devices from the >> snmp_exporter. >> >> Since the exporters are in Go, they scale well. But if it's not enough, >> the advantage of their design means they can be deployed horizontally. You >> could run several exporters in parallel and use a simple http load balancer >> like Envoy or HAProxy. >> >> On Fri, Jan 12, 2024, 02:32 'Elliott Balsley' via Prometheus Users < >> [email protected]> wrote: >> >>> I'm curious if anyone has experimented to find out how many targets can >>> reasonably be scraped by a single instance of blackbox and snmp exporters. >>> I know Prometheus itself can handle tens of thousands of targets, but I'm >>> wondering at what point it becomes necessary to split up the scraping. >>> I'll find out for myself soon enough, I just wanted to check and see if >>> anyone has tested this already. I'm thinking I would have around 10K >>> targets for blackbox, and 1K for snmp. >>> >>> I'm using http_sd_config with a 15 second refresh interval, so that's >>> another potential bottleneck I'll have to test. >>> >>> -- >>> 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/CALajkdh7EhHAVN5nJNYqJjKvcH_rfT1L7ZaPvPR4L-xjypKSbg%40mail.gmail.com >>> >>> <https://groups.google.com/d/msgid/prometheus-users/CALajkdh7EhHAVN5nJNYqJjKvcH_rfT1L7ZaPvPR4L-xjypKSbg%40mail.gmail.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/10599de2-7f2b-4059-9fb0-3d9cdf9a3a8fn%40googlegroups.com.
