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Patterns 2 - Facade, Composite, Template Method
by Heinz Kabutz

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Do your GC logs speak to you?

Oracle's version of Java 7 saw the release of a new collector, the G1GC. This collector is unlike all the other collectors found in the Oracle JVM in that it instead of generational spaces, it organizes Java heap into regions. There are a number of other features that make this memory management scheme different than other collectors. Even though this collector is designed to be self-tuning, there are occasions when hand tuning will offer better results. In this session we will use the GC logs to expose some of the inner workings of the G1 collector with an eye on key metrics that can be helpful in deciding how to tune.

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