How to poll thousands of devices using SNMP input Plugin?

Is it possible to poll thousands of devices using Logstash SNMP input plugin without any latency?

I tried with one device, but when it comes to 1000s of devices I'm not sure whether it feasible or not. Please suggest

Thanks in advance.

@magnusbaeck Please suggest some ideas...I could see your responses in most of the topics..Hence asking you the suggestion