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Explore the Z Garbage Collector (ZGC), an advanced concurrent automatic memory management system for HotSpot, in this 39-minute conference talk from JavaOne 2025. Learn how to properly configure ZGC to achieve optimal performance while avoiding common pitfalls that can lead to performance issues in poorly configured systems. Discover practical strategies for configuring ZGC effectively in current implementations, and gain insights into ongoing development work aimed at improving the out-of-the-box user experience by reducing configuration complexity. Understand the technical challenges and solutions being developed to make ZGC more accessible to developers without requiring deep knowledge of configuration quirks. Presented by Erik Österlund, Consulting Member of Technical Staff from Oracle's Java Platform Group, this session provides both immediate practical guidance and a forward-looking perspective on ZGC's evolution toward easier adoption and better default performance.
