We know how to get interesting insights from the data collected from various sources to the batch mode. However, sooner is always better, especially when it can save you time and money. If there is a threat related to some financial transaction or inventory getting lower, you want to know about such events in a snap, rather than waiting for your nightly jobs to run and your analyst pointing out the threat to you the next morning.

In this chapter, we will take a look at how to import and analyze real-time streaming data in Elasticsearch using Apache Storm. We will also take a look at some of the advanced Elasticsearch functionalities that can be your Swiss army knife in many situations.

The following topics will be covered in the chapter: