Yes, it still does something. It is useful to keep your jvm from running away and consuming all the memory on the machine.In principle, the -Xmx<max heap size> variable limits the maximum amount of memory that a vm can grab for its heap. At one time, there was some talk of disabling this, because it really isn't necessary under Linux. (I believe that the heap restriction was implemented for old Windows, which didn't really allocate memory dynamically.)
The vm still accepts this parameter, but does it still do something?
--
Joseph Shraibman
joseph(at)xtenit.com
Increase signal to noise ratio. http://xtenit.com
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