In this chapter, we covered the REST APIs that we can use to interact with Elasticsearch. We looked at how we can handle multiple indices and then moved on to look at the common options for the API response. We also covered the APIs for cluster health, state, and statistics to check the cluster details. After the cluster APIs, we covered the node APIs that we use to check the state and stats of the node. Then, we covered index APIs, learning how to create, delete, and retrieve indices. After looking at index APIs, we learned about document APIs and how we can use them to create, view, update, and delete documents, as well as using them to delete multiple documents using a query.
In the next chapter, we will walk through the details of how full text is analyzed and indexed in Elasticsearch, including a discussion of the various analyzers and filters and how to configure...