Rivers are deprecated

[lukas-vlcek]

elastic/elasticsearch#10345

[velias]

Sad to see this. Seems we finally have to develop own native indexers runtime in Searchisko.

[unibrew]

It's just a quick idea without thinking it through very much but why not reuse logstash? The only thing really missing from it is input plugin that would do the REST incremental calls, which shouldn't be very hard to write. We probably could leverage the existing tcp input plugin https://github.com/elastic/logstash/blob/v1.4.2/lib/logstash/inputs/tcp.rb.
Preprocessing with calling ES when needed and then saving the result into ES is all there. Especially that filters available out of the box in logstash are far more feature rich than our structured-content-tools.

[lukas-vlcek]

Rivers going away in ES 2.0 (elastic/elasticsearch#11568)