Writing to ElasticSearch! How to keep the search speed consistent?

Elasticsearch is a widely used Open Source search engine, that is known by its outstanding speed for complex search queries. In order to profit from this search speed, it is required to understand how writing to Elasticsearch works. There are many ways how to index documents, where each of them solves a specific use case.
This talk is an introduction to the different ways documents can be fed into Elasticsearch and what are the tradeoffs to be considerd with each technique. The goal is to show how you can profit from the incredible search speed of Elasticsearch, by applying the correct indexing strategy.