System requirements for running btcd node

[zeroFruit]

Hi,
I'm planning to run btcd node on my k8s cluster. Is there any minimum (or recommended) system requirements for CPU and RAM?

[jakesylvestre]

tbh - if you're running in a kubernetes cluster I'd be more worried about disk i/o. One of the things Kubernetes does to help you scale is seperates the disk from the physical machine. The only way I've gotten btcd to stay up to chain-tip under heavy rpc load is by using a local-ssd.

I've done a performance rundown on how NAS affects performance here and talked about the i/o optimized setup here

In any case, this is what our btcd utilization looks like for a k8s pod under heavy utilization:

You can get away w/ 2vcpu and 8gb of ram. If you have the option - I recommend setting your pod affinity to a machine that supports cpu bursting. It's very useful for this kind of app since it'll burst on new blocks

[zeroFruit]

@jakesyl
Thanks for the answer. I've already experienced similar problems on Ethereum Geth (here is my Reddit post).

local-ssd looks great, but I think the first step to check is minimum system requirements and I couldn't find docs about it.

Anyway I haven't think about local-ssd as solution for keeping my node up-to-date. Thanks!