On 04/02/08 20:51, John Peter Sabini wrote:
Please excuse this question but I am not a hardware nor sysadmin person. I just need verification of what I suspect to be the truth.A client of mine to whom I recommended Solaris 10 has a large sun box with 32 gig of memory. Because a third party library isn't supported in 64 bit address space, he is forced to run in 32 bit address space so he will have addressability to approx 4 Gig. I can't risk running the third party package in virtual 32 bit mode. He is running Java applications. Question. Does Solaris operating in 32 bit address configuration not use the the remaining 28 Gig? He insisted that Solaris could use the remaining space.
Any single address space - the kernel address space and that of each distinct process - cannot exceed what can be addresses in 32 bits ie 4G (the actual limit is a little below that). The sum of all such memory usage can far exceed 4G. So yes, we can and will use everything that is installed. Gavin
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