In case anyone wants to learn more about certain aspect of Elasticsearch, they have posted the top presentations from the conference.
One of the problems with attending sessions after the first day is that they often are additional details from the first day. Much of what I would state about the following days were covered in my previous post. The sessions I attended:
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Andrew Cholakian, Software Engineer, Elastic
Suyog Rao, Logstash Team Lead, Elastic
Jordan Sissel, Logstash Creator & Tech Lead, Elastic