Speeding up GET operations (multi GET)

The standard GET operation is very fast, but if you need to fetch a lot of documents by ID, Elasticsearch provides the multi GET operation.

Getting ready

You need an up-and-running Elasticsearch installation, as we described in the Downloading and installing Elasticsearch recipe in Chapter 1, Getting Started.

To execute these commands, HTTP clients can be used, such as curl (https://curl.haxx.se/), postman (https://www.getpostman.com/), or others similar. I suggest using the Kibana console as it provides code completion and better character escaping for Elasticsearch.

To execute the following commands correctly, use the indexed document we created in the...