2011/3/11 Chris Burroughs <chris.burrou...@gmail.com> > Is there an more or less constant amount of resident memory, or is it > growing over a period of days? >
As said in cassandra wiki: >>>The main argument for using mmap() instead of standard I/O is the fact that reading entails just touching memory - in the case of the >>>memory being resident, you just read it - you don't even take a page fault (so no overhead in entering the kernel and doing a semi-context switch) So resident memory also will grow(but what happens when all physical memory end i don't know)
