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by marginalia_nu
912 days ago
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> I've worked in applications where a lot of IO is required. If performance is something your application cares about then you'll probably end up using direct ByteBuffers which are off heap and you'll likely want to set a sensible value for: -XX:MaxDirectMemorySize It's also worth noting that if your Xmx is larger than 32 GB, you can't use CompressedOOPs, which is a bad deal. Off-heap memory lets you skirt that limitation while still allocating >32GB. |
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