Re: Finding the Bottleneck
On Sun, Jun 10, 2001 at 02:04:36AM +0800, Jason Lim wrote:
> I'm not exactly sure how the Linux kernel would handle this.
> Right now, the swap is untouched. If the server needed more ram, wouldn't
> it be swapping something... anything? I mean, it currently has 0kb in
> swap, and still has free memory.
> Here is a recent top:
> 101 processes: 97 sleeping, 3 running, 1 zombie, 0 stopped
> CPU states: 9.4% user, 14.0% system, 0.5% nice, 76.1% idle
> Mem: 128236K total, 125492K used, 2744K free, 69528K buffers
> Swap: 289160K total, 0K used, 289160K free, 10320K cached
Remember that adding RAM means larger buffers/cache, and so
faster IO. Only 3 MB free memory means that Linux would really
like more RAM for larger buffers.
Marcin Owsiany <email@example.com>
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