[NBLUG/talk] My new debin server

[Dean A. Roman]

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:
> /proc/sys/vm/swappiness
>
> 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...
>
> -tcl.
>
>
> _______________________________________________
> talk mailing list
> talk at nblug.org
> http://nblug.org/cgi-bin/mailman/listinfo/talk


Thanks,
    ---Dean.