A Bootiful Podcast Glenn Renfro: Java and Spring community legend and my friend - on Devnexus and more
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Feb 19, 2026 Glenn Renfro, Spring team engineer known for Spring Integration, Spring Batch and cloud projects. He chats about Spring AI, agent orchestration and ACP for automating CLIs. They cover Java and Spring performance, native images vs warmed JVMs, EIP patterns for AI workflows, new Spring Integration features like gRPC gateways, and why integrating AI into existing systems matters.
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Fire Person Pager Rotation
- Glenn recalled an early "fire person" pager rotation where everyone learned production support by carrying a flip phone one week at a time.
- The practice enforced shared responsibility and incentivized writing safer, more reliable code.
Use Spring Ecosystem For Production AI
- Use Spring AI and Spring ecosystem features (security, integration, observability) when adding AI to production Spring apps.
- Leverage existing Spring modules like Spring Security, Spring Integration, Micrometer and Spring AI to get secure, observable AI services quickly.
Java/Spring MCP Performance Wins
- Benchmarks showed Java/Spring had the lowest average latency and highest throughput versus Go, Node and Python for a trivial MCP service.
- Java edged Go on requests per second while using the least CPU in that test, though memory use was higher on the JVM.
