NRT is just part of the story, since in order to provide a proper (near) real time features in a distributed architecture you need to build it around it. For ex

NRT is just part of the story, since in order to provide a proper (near) real time features in a distributed architecture you need to build it around it. For example, not doing pull replication, but push replication. The whole distributed nature of elasticsearch compared to Solr was not discussed in this blog post, but its a big differentiator.