Github user nickwallen commented on the issue:
https://github.com/apache/metron/pull/763
It was hard for me to grok how `ElasticsearchDAO` and
`ElasticsearchMetaAlertDAO` differ and how the `ElasticsearchMetaAlertDAO` uses
another `IndexDAO` under-the-hood. I think more cow bell (I mean javadocs)
would help here. But that is all outside the scope of the work you've done
here.---
