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7. Tuning the JVM, Step by Step > Determine Memory Footprint

Determine Memory Footprint

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Up to this point in the tuning process, no measurements have been taken. Only some initial choices have been made such as a JVM deployment model, a JVM runtime environment, what garbage collection statistics to collect, and the garbage collection principles to follow. This step of the tuning process provides a good estimate of the amount of memory or Java heap size required to run the application. The outcome of this step identifies the live data size for the application. The live data size provides input into a good starting point for a Java heap size configuration to run the application. It also determines whether the application’s footprint requirements should be revisited or whether some application changes must be made to meet footpri....


  

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