On Nov 15, 2007, at 11:29 AM, Kevin Windham wrote:
On Nov 15, 2007, at 8:26 AM, Mark Spidle wrote:
If you are running low on RAM, you can tell this pretty easily by
using top in the terminal. Just leave a terminal window open and
run top in it. When you start having the massive slowdown, look
at the pageouts. If it's increasing, that means you've run out of
RAM and the OS is compensating by using disk. That will easily
cause the symptoms you're seeing.
Pageout metrics alone aren't going to be telling enough.
Especially since most of the pages you'd be dealing with wouldn't
get paged out through the page files anyway.
You're probably right. I assumed some other things. I should have
added that the free mem will be close to 0 and the pageout number
will be increasing quickly.
Actualy Free Mem at zero is a goal state. And again, pageouts only
occur for pages that are paged out. ro pages like those of mail
messages are unlikely candidates for pagefiles since they already
have backing store elsewhere.
-dhan
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Dan Shoop
Computer Scientist
iWiring / U.S. Technical Services
