There are 2000 dashboards in Splunk. Out of which, some are used and some are not. How to check that? How to migrate it to ELK by filtering out unused or junk dashboards.
Run below search should give you access to related information:
index=_internal "views" sourcetype=splunkd_ui_access | stats count, values(user), values(uri_path) by file | sort - count
