hotswap : Java Glossary

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hotswap
In the hardware world, hotswap means changing a component such as a failed disk or a failed memory module without powering down or even stopping applications. In the Java world it means changing the code for a class on the fly. Sun has a tool for swapping classes without shutting down the VM in their Hotspot JVM (Java Virtual Machine).

Learning More

Oracle’s Technetwork HotSpot Overview
Oracle’s Technetwork Hotspot White Paper
Oracle’s Technetwork JVM Performance Tuning

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