Elasticsearch 7 and Elastic Stack - In Depth and Hands On! - Importing Comma Separated Values (CSV) Data with Logstash

This video tutorial covers the basics of CSV files, including their structure and how they are used for data exchange. It explains how to import and parse CSV data using Logstash before indexing it into Elasticsearch. The tutorial includes hands-on exercises for downloading sample CSV data and configuring Logstash to process it. Advanced configuration techniques, such as using the mutate filter to modify data, are also demonstrated.

What is the role of the configuration file in importing CSV data into Elasticsearch?

Explain the function of the 'mutate' filter in logstash.

What steps should be taken to ensure that unnecessary metadata fields are removed during data import?

How does logstash handle the reading of a CSV file that has been previously processed?