Building for 99.99% Uptime on Confluent Cloud

This post details Confluent's internal engineering practices for achieving 99.99% uptime on Confluent Cloud. It highlights the architectural design for multi-zone availability, including distributing Kafka topic replicas across availability zones and redundant infrastructure. The post also describes the proactive approach to resilience through continuous testing, monitoring, automated response, and failure injection (Chaos Engineering). For customers, it provides actionable advice on auditing availability requirements, integrating Confluent Cloud metrics with their observability platforms, verifying client reachability, and utilizing cluster linking for multi-cloud/multi-region replication and failover. It emphasizes transparency in platform operations and preparation for incidents.