Github user james-sirota commented on the issue:
https://github.com/apache/metron/pull/710
I can't comment on implementation details, but + 1 on the capabilities. I
spun it up and every time I click on a facet I see my search results filtered
by that facet. I can do that on a number of fields and have them filter by a
combination of facets. When I remove the facet from search the facet filter is
removed and the query is reset. Works as expected. +1 from me---
