<ul data-eligibleForWebStory="false"><li>An individual recounts the worst architectural decision made to use Kafka for multiple unconventional purposes.</li><li>Two years ago, during the development of a high-traffic e-commerce platform, the team decided to leverage Apache Kafka meant for event streaming for various other functionalities.</li><li>The Kafka cluster was repurposed as a database, cache, job queue, configuration store, session manager, and DNS resolver, leading to a heavyweight usage outside its intended scope.</li><li>This decision highlights the unintended consequences of convenience and the importance of utilizing tools for their designated purposes.</li></ul>

We Used Kafka for Everything, Including Stuff It Was Never Meant For

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