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2002 Jul 21 12:51

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Re: [vox-tech] can YOU be certified?!?
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Re: [vox-tech] can YOU be certified?!?

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On Sunday 21 July 2002 08:51 am, Tim Riley wrote:
> Peter Jay Salzman wrote:
> > Based on observation and the output from the top command, which of the
> > following pieces of information tells you that swap space needs to be
> > increased?
> >
> > a) The amount of available memory nearly equals the amount of used
> >    memory.
> No. This tells you that paging is about to begin.
> (I think this answer should be reversed to carry the meaning better.
> It should read, "The amount of used memory nearly equals the amount of
> available memory.")
> > b) The amount of available swap space nearly equals the amount of RAM.
> No. If you followed the recomendations to size your swap space to
> total RAM, then this tells you that paging has yet to begin.

The reccomendation are often double your RAM. I have a 2 gig partition plus 
another 32 64MB swap files that are created as needed by swapd 
(http://freshmeat.net/projects/swapd/) And I only have 256MB of ram.....

> > c) You hear constant noise from your hard drive.
> No. This tells you that you need more RAM.


> > d) The CPU utilization level is near 100%
> No. This tells you that there are too many processes
> for your CPU speed.

Or you've got a runaway process or heavy CPU usage program going.

> e) The swap space free is near zero.

Yes, I'd aggree, but the answer is probably b

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