In 2.4 there is still warning regarding bootstrap validation but not mandatory step to run elasticsearch.
i don't know on what scenario i have required bootstrap validation.
but in my current situation i just using elasticsearch as a database for insertion and deletion that's it rest network & preprocessing part is take care by logstash & filebeat.
Can You Suggest anything on this topic also
how to set ./pattern directory path in logstash after extracting tar file on linux ?