On Sat, 11 Nov 2006, Kris Kennaway wrote:

The fact that swap is in use, together with your description,
indicates that your system is overloaded; those transient loads are
causing it to periodically demand more working memory than is backed
by RAM, so the system goes into a frenzy of swapping trying to
accomodate, and system performance falls in the toilet until the load
goes away.

Add more RAM or limit the workload.

Now that something to check - thank you very much Kris. Is that so that on a typical system with enough memory to do its job there is no swap use on average? From what I can tell swap is always used to some extent but I have checked another system and swap use there is 0%. So you may be right that this is the problem.

Jonathan - what is your swap use? Cause you also experience this kind of problem...


Zbigniew Szalbot
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