1. Overview

In this tutorial, we’ll see how Leadership Election with Consul helps to ensure data stability. We’ll provide a practical example of how to manage distributed locking in concurrent applications.

2. What Is Consul?

Consul is an open-source tool that provides service registry and discovery based on health checking. Furthermore, it includes a Web Graphical User Interface (GUI) to view and easily interact with Consul. It also covers extra capabilities of session management and Key-Value (KV) store.

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