Consumer Part 2 - Write the Consumer and Send to Elasticsearch

The video tutorial explains how to transfer data from a Kafka topic to Elasticsearch using a custom consumer. It covers setting up the consumer, configuring it, polling data, processing records, and inserting them into Elasticsearch. The tutorial demonstrates running the code and verifying the data insertion, highlighting the importance of proper configuration and testing.

What is the main goal of the data processing described in the text?

What is the significance of the 'bootstrap server' in the context of the application?

Describe the process of creating a consumer for the Kafka topic mentioned.

What configurations are necessary for the consumer to function correctly?

How does the consumer subscribe to the topic, and why is this important?

Explain the role of the 'record value' in the data insertion process into Elasticsearch.

What are the potential optimizations mentioned for the data insertion process?