Ken Hibino developed practical autoscaling samples for Google Cloud Spanner, focusing on independent regional autoscaling for read-only replicas. Working across the renovate-bot/golang-samples and renovate-bot/java-spanner repositories, Ken implemented asymmetric autoscaling features in both Go and Java, providing code samples and integration tests to demonstrate and validate the new functionality. The Go sample introduced a snippet and test for configuring Spanner instances with region-specific scaling, while the Java sample detailed autoscaling limits, targets, and replica selection logic. Ken’s work emphasized backend development, API integration, and cloud computing, delivering clear, tested examples that address real-world scaling requirements for Spanner deployments.