hi, i have dedicated server with 128 gigs of RAM, acting as a single node cluster
Dual Intel® Xeon® E5-2620 V1 & 2 × 4TB HDD
server is being used for nginx,php,mysql and elasticsearch
java heap memory is set to 15 GB
main index is only one
documents count 4.6mil
data 1.9 GB
current search rate 339.34 /s
i would like to know when should i add more nodes , right now set up is single node cluster.
how many queries per second my current setup can handle ?
Thanks for your time.