Virtual Memory under OSX?

SDAVE

macrumors 68040
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Jun 16, 2007
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I have 9GB of RAM...let's say I start Virtual DJ for testing purposes, and load a song on one deck. Under the Activity Monitor, it says 120MB of "Real RAM" in use and 426MB of "Virtual Memory" in use??? So it's STILL hitting my disk even though I have 9GB of RAM????
 

SDAVE

macrumors 68040
Original poster
Jun 16, 2007
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So what does it mean? It's not hitting the disk?

Can I disable Virtual Memory? I am sure that I will never go above 9GB of use.

Right now, VM Size is: 10.46GB...Page In/Out is at 55524/0
Huh?
 

Eidorian

macrumors Penryn
Mar 23, 2005
29,080
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Indianapolis
So what does it mean? It's not hitting the disk?

Can I disable Virtual Memory? I am sure that I will never go above 9GB of use.

Right now, VM Size is: 10.46GB...Page In/Out is at 55524/0
Huh?
I wouldn't ever worry about virtual memory unless you're almost out of disk space.

You're not getting any Page Outs (pages to hard disk) either.
 

SDAVE

macrumors 68040
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Jun 16, 2007
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So I'm good?

I'm sure OSX is smart enough to do VM correctly.

Under Windows you had to manually enter a new amount if you ever added more RAM.
 

sfisher

macrumors regular
Jun 20, 2007
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0
Albuquerque, NM USA
So I'm good?

I'm sure OSX is smart enough to do VM correctly.

Under Windows you had to manually enter a new amount if you ever added more RAM.
Yes, you are fine. A page out is when a block of memory is moved from real RAM to the virtual memory files on disk. As Eidorian noted, this has not happened since your last reboot, so you are not using any virtual memory so far.
 

SDAVE

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Jun 16, 2007
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Yes, you are fine. A page out is when a block of memory is moved from real RAM to the virtual memory files on disk. As Eidorian noted, this has not happened since your last reboot, so you are not using any virtual memory so far.
Thanks guys...don't know, OSX felt a little sluggish after I had 2 adobe Apps and 2 Apple apps open.
 

SDAVE

macrumors 68040
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Jun 16, 2007
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No, all are UB. I was running After Effects CS3, Photoshop CS3, Final Cut Pro 6 and Motion...maybe I am hallucinating.