Re: Kernel cached memory

Erik Mouw
2005-07-22T12:58:29Z

On Fri, Jul 22, 2005 at 05:46:58PM +0800, Ashley wrote:
> I've a server with 2 Operton 64bit CPU and 12G memory, and this server
> is used to run applications which will comsume huge memory,
> the problem is: when this aplications exits, the free memory of the server
> is still very low(accroding to the output of "top"), and
> from the output of command "free", I can see that many GB memory was cached
> by kernel. Does anyone know how to free the kernel cached
> memory? thanks in advance.

Free memory is bad, it means the memory doesn't have a proper use.
Cached memory will be freed automatically when the kernel needs memory
for other (more important) things.

Erik

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