Accelerate Your JBoss Enterprise Middleware - Red Hat Summit

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Accelerate Your JBoss Enterprise Middleware –Java Virtual MachineJavaJavaVirtualVirtualMachineMachine●The Java Virtual Machine is our key piece of software, as the entireplatform is completely dependent on it.● Tuning the JVM can be difficult.● Start simple!● Test one thing at a time!● Understand your goals!● Use the 64-bit JVM with Compressed Oops.● Seems like the 32-bit JVM is on its way out, with perhaps theexception of virtualized environments that have severe memorycontraints.● Key topics:● Garbage collection algorithms.● CMS vs. Throughput on JDK 6.● G1 vs. Throughput on JDK 7.● Compressed Oops.● Large Page Memory.
Accelerate Your JBoss Enterprise Middleware –Java Virtual MachineComparison of Different GC AlgorithmsEJB 3 ApplicationHigher is Better (Throughput)60005900580057005600Transactions per Second55005400530052005100EAP 6.0.0 OpenJDK 6 w/Parallel Old Collector EAP 6.0.0 OpenJDK 7 w/Parallel Old CollectorEAP 6.0.0 OpenJDK 6 w/CMS CollectorEAP 6.0.0 OpenJDK 7 w/G1 Collector
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