Elk capacity

Elastic Stack Elasticsearch
1

Hi,
I want to know how much data handle of ELK, I have 4 firewalls & 150 routers I want to add in elk but you know the firewall generated much more event. If I will add all device in ELK then ELK handles all event at the same time an elastic search engine perform normal or not?. Could you please let me know about my quarry.

Regarding,
Lokman Hakim

2

Elasticsearch is designed to be clustered so can be scaled out to handle increasing data volumes. How much data does these 4 firewalls and 150 routers generate per day? How long do you need to keep the data?