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From ruslan usifov <>
Subject Re: memory utilization
Date Sat, 12 Mar 2011 19:47:33 GMT
2011/3/11 Chris Burroughs <>

> 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)

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