We want to monitor live traffic (incoming and outgoing) to cluster. I can't seem to find a way to fetch queries / sec. What is the metric I should be looking at?
Some metrics I looked at but they don't seem to get what we want:
indices.search_fetch_current : doesn't work because it includes counts for each shard
http.current_open: these are HTTP connections, we use 9300 port for connections
transport.server_open: these seem to include all kinds of connections, so can't differentiate search and index queries
We have installed telegraf plugin: https://github.com/influxdata/telegraf/tree/master/plugins/inputs/elasticsearch
Please let me know. Thank you.