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Regarding 64bit Sun JVM

You'd better not use it, unless you really HAVE to. Concurrent garbage collector regularily dumps core under heavy load (as of b04), and parallel collector blesses you with several seconds long pauses with 4+ Gb heaps (8 cores don't help). Right now we're stuck with parallel collector, and cope by having 5-10ms connect timeout and retrying to a mirror node in the cluster.

Regarding 64bit Sun JVM


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