Peter Crowther wrote:
>>From: Graham Reeds [mailto:[EMAIL PROTECTED] >>Also disable HyperThreading in the BIOS on the new Dell. HT >>and Java is not a happy combination.
Interesting... do you have any recommended reading on that, Graham?
Love these urban-legend types of warnings ("don't flash your headlights...").
I think Graham is referring to a bug in the 1.4.2 line of JVMs where under certain circumstances, the HotSpot compiler trips over the garbage collector, and causes mysterious VM aborts. I believe there have been fixes in 1.4.2_06 and 1.4.2_07, and also in 1.5.0_01.
It's triggered more easily in an HT or MP machine, but the important thing is that it can also be tripped on non-HT, single-processor machines (though much more rarely).
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