On Fri, 2002-06-14 at 15:31, Ian D. Stewart wrote: > Can anybody else shed some light on the difference between SIZE and RSS? Size is how much memory has been allocated through brk(2). RSS is how much is currently paged in. So, a program can (and some do) brk a lot of memory, thus upping their SIZE, but don't actually use it. The RSS is how much actual RAM the program is taking.
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