JAX London 2014: A retrospective
Kirk Pepperdine presents

Is your garbage collector speaking to you?

ChrisMayer
pepperdine

If you wanna know what your garbage collector is up to, the best place to look is in the GC logs. That said, the GC logs are like any other ascii log file in that they can be full of 1000s of cryptic entries which make trying to figure out what the logs are saying without any tooling, a daunting task. In this session Kirk Pepperdine (Kodewerk Ltd) introduces Censum, a free tool designed to help you make sense out of your log files. Some of what Censum can tell you is if your JVM’s heap is misconfigured. For example, a large number of applications currently running in products systems are starved for memory, in at least one of their internal memory pools. But it’s not only starvation that can a cause of poor performance or long GC pauses. Too much memory can be equally

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