MacBook :: Activity Monitor Shows Idle Memory To Be 80% Or More?
Mar 5, 2012
I'm using a 2009 model MacBook with 4GB of RAM and a 2.4 GHz Core 2 Duo Processor. I've been having issues for quite a while now where even with just ONE program active, it will often lag, slow WAY down, or even flat out crash. Upon further inspection in the Activity Monitor, I discovered that the vast majority of the computer's memory -- at least 80% and up -- is marked as idle.Â
First: What does this mean?
Second: Is there any thing that can be done about the stated issues?Â
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Jan 13, 2010
I have a 2.66 quad core 2009 Mac Pro. Running 10.6.2. I see weird behavior in the Activity Monitor. The "% idle" number jumps from 49% to 61% to 99% (but usually stays around 49%), when I'm actually 99% idle. The "% user" and "% system" just don't add up to "% idle." Does anyone else see this? I'm wondering if it has anything to do with the RAM I just installed, or if this is a coincidence.
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Mar 11, 2009
I have a steady stream of spikes in my network tab of activity monitor despite being idle on the internet, not browsing any pages or downloading anything. Does this mean I am being hacked?
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Feb 13, 2010
I have a new, week 7, 27" iMac with 2.8 quad core CPU. Activity Monitor shows the "% idle" number jumping anywhere from 49% to 99% (but usually stays around 49%), when I'm actually 99% idle. The "% user" and "% system" numbers are less than 1% when the computer is idle. They just don't add up to 100%. Does anyone else see this? The left top of the computer is hotter than any computer I have had before. This is the third computer that Apple has sent with this problem. Apple Care just says to send it back.
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Sep 22, 2010
repeated disk access in my 2010 Mac Pro, even when it's otherwise idle. Activity Monitor shows no unusual processes, and I've disabled Spotlight indexing.
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Aug 3, 2009
Just got a Mac Pro with a single 2.93 GHz Quad-Core Xeon (Nehalem) and it's all working fine, but I'm wondering why this 4-core machine shows 8 cores in Activity Monitor - 8 columns in both the floating CPU windows.
I'm sure the answer's obvious, but it's late in the evening and I did search around the forum threads a little bit before posting.
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Jul 14, 2010
When I open Activity Monitor, kernel_task is using approx 240 MB of real memory, and 67 of virtual. All I have open is Safari (and Activity Monitor)Seems like alot of real memory for one process.
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Mar 16, 2009
What is "WindowServer" in Activity Monitor?? I actually have a few things I dont know what they are.
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Sep 17, 2009
I was checking out my Activity Monitor the other day and I have noticed this before. I have 4GB in my MacBook Pro and updated to SL and now AM is only showing that I have 3.75GB. I figured maybe it was just an error and I have shut my MBP off and it still hasn't changed.
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Mar 21, 2012
I looked at my activity monitor and noticed that it was saying that something called a PTP Camera was running. I'm confused because my camera isn't on or anything.
Info:
MacBook Air
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Apr 10, 2012
I knew everything was working fine on my Macbook Pro 2.4 GHz i5, 8gb ram, Mac OS X Version 10.7.3. I loaded up my Mac this morning and tried to open Activity Monitor but wont open. When I drag the application to the dock, there is no icon picture for it. I looked on the internet and it told me to load up Console, which I then found done the same thing.
In Utilities I realised the App 'Podcast Capture' was also missing its icon, but since I do not use that, I am not worried. After looking through google again, I ended up using FirstAid and repaired the disk and permissions. That still made no difference. Finally I then decided I could delete the .plist from preferences, to then find neither of the files for Console and Activity Monitor were there? And I had not deleted them.
Once last thing, in Terminal, every time I open it, it comes up with, bash: /usr/libexec/path_helper: Unknown error: -22
Not sure if this relates to it in anyway? The only thing I know that may have effected it was setting up a Minecraft server which I had to use a chmod a+x (file location). Which I thought gave it the commands. Didn't work anyway, but whilst in the middle of doing that I realised all these other issues.
Info:
MacBook Pro (13-inch Late 2011), Mac OS X (10.7.3)
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Jun 24, 2012
when i try to open activity monitor, it's fine for 2 seconds and then i get the rainbow wheel...and i have to end it using force quit.
Info:
MacBook, Mac OS X (10.6.8)
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Apr 27, 2009
My mac has always been fine only getting up to about 70*c when encoding. Now it gets past that when doing nothing, and fans going full blast! Tried every mac temp. software. Looked in activity monitor, nothing major running, biggest thing is "activity monitor". I can just have it sitting on my counter, on hard surface, very hot fans full blast. Its a new MacBook White early 2009.
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Aug 12, 2009
I can no longer shut my Mac down any more. Mail wont quit and now I must do a Force Quit through Activity Monitor.
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Jun 4, 2014
I recently upgraded my RAM to 16 GB from the original 4. I notice thru the activity monitor that my current usage is 13.54GB. Is there a way to reduce the active usage of RAM via the activity monitor, or is this not a big deal?Â
Info:
MacBook Pro, OS X Mavericks (10.9.3)
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Jun 4, 2014
I have a mcabook pro early 2012. How do I make activity monitor update faster? It is currently updating every 4 - 5 seconds.
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Jun 1, 2012
My MacBook Pro continues to show random unexplainable processes in the Activity Monitor window. Nothing seems to be wrong with any aspect of the laptop and functions correctly?
Info:
MacBook Pro (13-inch Mid 2009), Mac OS X (10.7.4)
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Jun 3, 2012
Don't know how to file a possible bug report. I checked my OS-X version and it is 10.5.8, maybe more recent versions have been fixed: Here is a cut & paste from the gfortran bugzilla site  [reply] [-]2012-06-04 02:38:12 UTC Calls to fortran subroutines that use large temporary arrays fill up 'idle memory' on the MAC-OSX, as can be seen with 'top' or the Mac 'activity monitor'. I found that I can get around this by using: call system('purge')  in the code to evoke the command line 'purge' from within the program before the 'return' statement for such subroutines to free the idle memory; but I was wondering whether something could be done more fundamentally at the compiler level to avoid this problem. Without such clearing of idle memory I used to hear lots of disk access being done to get around the small amount of free 'core' memory. Massive arrays would eat up many Gb of core memory by turning it to 'idle memory'. Maybe there is a compile time option that I do not know about. [reply] [-]Comment 12012-06-04 02:47:43 UTC This sounds more like a bug in the Mac OS X kernel/libc and how it handles memory allocation.
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Sep 16, 2009
I have a new MacBook with aluminium case with Leopard on it. I use the Mail program coming with the OS. My problem is that when I send a letter to one addressee then in the activity window I can see more processes (2, 3 sometimes 4) as though it was sent to more recepients. After checking the recepient account, there is only one mail from the account I used from Apple.
I got another MacBook, basically with the same config, I use the same smtp server, but I do not have that symptom. Somebody has got a clue what is going on. Wrong config, virus or computer hacked ? I am totally new to OSX and Apple,
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Jan 10, 2011
I'm not sure if this is cause for concern but it seems like my "free" memory has been really low as of late.
I use Safari and Mail 90% of the time. The other 10% is occasional iTunes use, MPlayer use, and Preview use. Is it time for me to upgrade to 4 GB of RAM?
Note - I do use the following extensions in Safari: AdBlock and YouTube5.
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Apr 3, 2009
I installed Leopard from an OS disk I purchased to upgrade from Tiger. I just went to launch Activity Monitor and it is not there? I checked Applications and Utilities. From what I read it seems that Leopard should have activity monitor.
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Sep 18, 2009
So maybe what I am looking for is in the activity monitor, but I just can't find it. I always see people on here posting screen shots of their CPU usage. If they have a quad core machine then there are four columns with blue in it showing the usage. Where can I find this in OS X, or is this a 3rd party program?
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Nov 5, 2009
Im running SL (updated of course) on my MacBook Pro 4,1. Im fairly new to Macs and to be honest I didnt even know about Activity Monitor till very recently. So I figured I would check out whats going on with my system and fire it up. Activity Monitor does not respond. It starts to open but then sits at this screen with a beach ball...
After a while I usually just Force Quit. Ive ran Onyx recently as well as Disk Repair and everything seems ok.
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Nov 26, 2010
A while back I installed an application that allowed me to stream media from my Mac to my PS3, called Gridcast. It didn't work well, so I got rid of it. Since then I have had two processes constantly running, "gridcastd" & "GridCastAlerts." When i select and quit the processes nothing happens, they just continues to run.
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Dec 11, 2010
According to the screenshot, both Users (green) and System (red) uses 0,19% CPU each. Which means that idle (black) should be around 99%, which it clearly isn't. If I check each process individually, none is using more than 1% of CPU. The screenshot is taken after a reboot and I don't use and third-party background services like VMWare. It's Mac Pro 2.66 Quad (2009).
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Apr 4, 2009
Noticed a couple of processes in activity monitor I don't think I have seen before. Authorizationhos and ocspd. if they also have them or if they are supposed to be there and what they do?
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Jun 30, 2009
I've got the activity monitor open in front of me. There are the usual apps I can see, Logic, FF, iTunes, Finder, MS Messenger etc etc. Though there is a lot of other stuff, I don't know what it is (probably system stuff?). For instance there is configd, syslogd, mds, cron most of these have root inb the server column. In the User column for my name I can see mdworker, pboard, launchd and couple of others.
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Jul 26, 2009
I have recently tried changing the Activity Monitor Icon by using Candybar, for some reason Candybar does not have a Activity monitor in the menu. I have than went to Activity monitor application which is on the desktop and clicked on " show package contents" + "resources" and dragged the original activity monitor icon to a random folder and dragged a new icon into the resources folder. I logged out and logged back in and now the icon did now show up, there is a application icon now.
I have dragged the new icon out and put the old one back in the folder to see if it would go back to its original icon and now it does not go back to how it was in the first place, so pretty much no icon exists but only a application icon shows but the program does open up. Another thing I dont understand is why I could not see a Activity Monitor Icon in the CandyBar program, I am not sure how to change the Icon or how people change it or why they have modified activity monitor icons is you cant change it.
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Sep 15, 2009
Using SL. I installed iStat and it reports less "wired memory" being used than Activity Monitor. Right now iStat reports: 449MB wired, 515MB active, 364MB inactive and 2.45 GB free. Activity Monitor reports: 706MB wired, 515 MB active, 364MB inactive and 2.45 GB free. Also, our school macs are at a whopping 100MB wired, whereas I'm always above 500MB.
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Dec 16, 2009
The computer, Mac 10.4 Tiger, sent a message that my Startup drive is almost full. I tried to do the best to make more space available and inadvertently must have done something to the files of the Activity monitor. The next morning when I turned the computer on, it went up in smoke, i.e., disappeared and cannot be found in 'applications'.
Do I have to reinstall? Can I reinstall just for the Activity Monitor or ?
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