[NBLUG/talk] My new debin server
Dean A. Roman
droman at romansystems.com
Thu Jun 1 17:59:23 PDT 2006
Tim C. Lewis wrote:
> On Thu, 1 Jun 2006, Chris Palmer wrote:
>> Dean A. Roman writes:
>>> There is nothing that says you absolutely need a swap partition. You
>>> could eliminate your entire swap partition altogether effectively
>>> removing the possibility of swapping.
>> Thus turning an excessive swapping problem into a problem of applicatons
>> randomly dying because they don't have enough memory.
If your not using a swap space, and you have applications requesting
more memory than is available(and dying), then you would have a swapping
problem when you turn on swapping not a cache/swap ratio problem.
Reportedly Andrew Morton set's his desktop to swappiness 100 ??
What's your swappiness setting?
> ah, there is a middleground:
> echo (or sysctl) a low value (range is 0-100, default is 60) to that
> and the kernel will less actively use the swap that's available unless
> it needs to. this may or may not be the "right thing to do" depending
> on what kind of use the system in question is getting, and what kind
> of responsiveness you're looking for. google search for "swappiness"
> for more detailed info...
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