Github user MikeThomsen commented on the issue:
https://github.com/apache/nifi/pull/2113
@JPercivall I just got done testing it w/ X-Pack for SSL and u/p auth based
on Elastic docs. Everything was in working order there. [Steps if you want to
validate](https://www.elastic.co/guide/en/elasticsearch/reference/6.2/configuring-tls.html)
I also added the documentation there. Sorry about that.
AFAIK, that warning is going to be more of a polite warning than a real
"here be dragons" sort of thing because IIRC ES limits you to 10k results
unless you explicitly up the number in the index configuration. Probably a good
reminder, but I doubt anyone is going to blow up their NiFi installation
without having to take deliberate steps to facilitate that.
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