Build blazingly fast, ultra lightweight cloud native Java enterprise applications
summary
Shows a working approach: a nonblocking Java server built with Undertow and the LMAX Disruptor that replaces heavy thread pools with ring buffer batching to group requests and bundle JDBC calls, avoiding thread explosion (one real case hit 25,000 threads). Demonstrates composed event handlers, batching to reclaim DB connections, measurable low GC pressure from preallocated buffers, fast startup (Undertow < one second, embedded < 1 MB), and scalable Kubernetes-friendly up/down autoscaling that actually works.
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