Monthly Archives: November 2010

Notes on Xmx, Xms and Xss JVM memory tuning

A 32 bit JVM process can  have a theoretical max heap size of 4 GB based on simple unsigned arithmetic.  However, it varies according to OS, and most OS limit it to 2-3 GB. [1] The options -Xms, -Xmx configure the available Java Heap … Continue reading

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