?? Transforming Warmup Performance with ReadyNow Orchestrator ??

As an engineer working on the automation of ReadyNow profiles with the amazing team with Azul, I’m thrilled to share our accomplishments in tackling one of longest-standing challenges: the warmup problem at Walmart Ecommerce for a tier 0 application which has over 250K TPS on high traffic days particularly on holiday season.

Java applications often take time to reach peak performance after startup, causing delays in dynamic, cloud-native environments. Our work on ReadyNow Orchestrator (RNO) changes the game entirely by making warmups not just faster but smarter and fully automated.

What is ReadyNow?

ReadyNow is a cutting-edge technology that records and reuses application optimization profiles, enabling faster warmups each time an application runs. With ReadyNow Orchestrator, we scaled this innovation to fleets of JVMs, allowing containers to share the best optimisation patterns automatically.

• No manual tuning
• No code changes
• Just faster, smarter Java

How It Works

RNO automates the collection, learning, and distribution of optimization profiles for entire JVM fleets.

• It monitors usage patterns, determines the best configurations for rapid warmup, and seamlessly distributes these configurations.
• Applications achieve peak performance right at startup, even in highly elastic environments like Kubernetes clusters and CI/CD pipelines.

Why It Matters

1. Cloud Efficiency
2. Operational Simplicity
3. Business Impact

Application Impact

Through our efforts, we achieved:

• Improved startup behavior
• Quantifiable improvements in response times, CPU usage, and memory utilization
• Fewer abnormalities in application performance on high traffic when new pods are coming up.

A Transformative Journey

Working on RNO has been incredibly fulfilling. It addresses the challenges modern businesses face, like rising cloud costs and the need for seamless scalability. Seeing how RNO delivers faster startups, reduced latencies, and tangible cost savings at scale has been rewarding and inspiring.

Excited to see where this journey takes us next! ??

?? Learn more about ReadyNow and its impact: Azul ReadyNow.

#Java #WarmupOptimisation #ReadyNowOrchestrator #AzulPlatformPrime #Innovation