ababook

Measure time spend on index, flush, refresh, merge, query, etc. (TD - done)
Take hot threads snapshots under read+write, read-only, write-only (TD - done)
Adjust refresh time to 10s (from 1s) and see how load changes (TD)
Measure time of a rolling restart doing disable_flush and disable_recovery (TD)
Specify routing on query -- make it choose same node for each shard each time (MD)
GC new generation size (TD)
Warmers

	# https://twitter.com/brsn76945860/status/1171233054951501824
	pip install mmh3

	-----------------------------
	# python 2
	import mmh3
	import requests

	response = requests.get('https://cybersecurity.wtf/favicon.ico')
	favicon = response.content.encode('base64')