[P1] RAM question

Signhelpers.com mike at signhelpers.com
Fri Mar 19 06:48:55 PST 2004


>It appears that the Activity Monitor is only available in Panther, 
>but I cringed and typed in the diabolical command line and found out 
>what I suspected - more RAM needed. Kinda took me back to the old 
>Osborne CP/M days. (Gadzooks! I must be getting old!)


>
>How do you know if you're swapping?  Well, being an old Unix guy myself,
>I'd launch "/usr/bin/vm_stat 2" in the terminal app (that '2' means
>refresh every 2 seconds), but I know most of you old time Mac-heads
>cringe at the mere mention of the command line, so I would point you to
>/Applications/Utilities/Activity Monitor.  Click on the 'System Memory'
>tab towards the bottom of the window and then launch every application
>you want to use, all at the same time.  Then watch the pretty picture and
>see your free memory disappear.  An interesting statistic to watch is
>the Page ins/outs.  The page-ins are going to be high because I believe
>they count normal disk reads that happen when you launch any program,
>which is combined with the number of page-ins from swap.  But the
>page-outs shouldn't be very high.  My system has been up for 2.5 days
>and my page-outs number is only ~4500.  I've got 1.5Gigs of RAM and I
>just launched every app on my dock and I never paged out once, so more
>memory added to my system wouldn't speed anything up for me.
>
>But if you are swapping (paging in and out) then you will benefit
>GREATLY from additional RAM.
>
>BTW, this activity is thanks to the virtual memory management
>capabilities of Unix.

-- 
Signhelpers.com
Mike Urseth
P.O. Box 237
Ridgeland WI 54763
715-837-1120



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