Re: MacOsX.4.9 goes slow



In article <C26B9C1A.836E%paul.tilling@xxxxxxxxxx>,
Paul Tilling <paul.tilling@xxxxxxxxxx> wrote:

Can anyone advise please?

My Mqc has suddenly taken to long periods of private thinking, ie
spinning beach balls or just inactive responses (up to about 20secs
or more sometimes).

The amount of memory left on the HD also reduces by as much as a
gigabite or so, without any apparent reason, only to be restored
after a restart. Does it mean it is using VM, and why should it if I
still have plenty of Ram unused? Is there any way to rectify this
condition?

It sounds like your computer is indeed writing large chunks of data to
disk (called a "swapfile" or "virtual memory"). It does this because
it's used up enough RAM. It's a symptom of having lots of applications
open at once, leaving an application open that has a memory leak, and/or
running lots of widgets in Dashboard (those things really have an impact
on system performance, and many of them have poor memory management).

The basic way to rectify the problem is to quit some apps rather than
leaving 15 of them running at all times. Having come up from the old
days of very limited computer resources and no multitasking (I bought my
first Mac in 1986), I only run the applications I am actively using.
When I am done using them, I quit them. As a result I never have
swapfiles written to disk.

How much RAM do you have?
.



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