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Re: JVM Lies: The OutOfMemory Myth

It actually depends on the UserSpace / Kernel space split, for example on windows this is 2GB/2GB (as per default), giving you 2GB of userspace accessible directly. On most *nix blends (e.g. Solaris / Linux) the split is typically 3Gb/1Gb. There are ways to setup the space with other configurations like a 4GB / 4Gb split ..... Alternativly if you are stuck on 32-bit and you need more memory than 1 heap can provide there are a huge number of ways around the various ceilings and limits. However generally just making you heap larger to cope with OOM is not always the best approach, I would recommend the smaller the heap you can have the better as your GC response times become better

Re: JVM Lies: The OutOfMemory Myth


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