Memory normally refers to RAM. Temporary, high-speed storage used to keep frequently accessed information available for use and helps keep the computer running smoothly

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9
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393 views

How is the Y value for the Memory Pressure graph in Activity Monitor calculated?

How is vm.memory_pressure's value bounded / calculated on OS X 10.10.2 - Yosemite? I've researched several answers to this question and am trying a few things on the command line to get exact values ...
5
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68 views

Mail memory usage?

I'm seeing massive RAM usage from Mail I removed all mail accounts as I assumed it was something in an inbox taking up space, but even then, with no accounts other than iCloud (which contains zero ...
3
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0answers
68 views

Is it possible to exclude bad memory?

I have a MacBook Air 2012 (A1466) and it developed some memory errors. It crashes every half an hour and Apple Hardware Test says "4MEM/9/40000000: 0x79eea590". Unfortunately, RAM is soldered on the ...
2
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0answers
37 views

What exactly does “out of application memory” mean?

When OS X (10.11 in my case) pops up a dialog saying the system has run out of application memory, what does this really mean? I've looked at this question, but my question is a bit more specific and ...
2
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0answers
1k views

softwareupdated using 350MB+ of memory, is this a problem? How can I get it to use less?

I'm running Yosemite with the latest updates. softwareupdated is using approximately 380MB of memory. That seems quite high to me. Is that normal? Is that indicative of a problem? Does ...
2
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0answers
94 views

Use Ram as graphics memory 5k imac

My graphics memory (4gb) is getting eaten up by my 3 or 4 apps that are open. Is there any way to allow the graphics card to use free RAM instead of swap memory? The second the graphics card dips ...
2
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0answers
428 views

Safari and other programs using too much RAM with barely any tabs open. Happens daily since Yosemite

I've noticed a drop battery life as well as performance from my macbook since the new Yosemite update a week ago. The performance slows down greatly, even with my 8gb of ram. Animations are very ...
2
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0answers
147 views

distnoted service memory leak

I have problem on Mavericks 10.9.5. When my macbook air (mid 2012) awake, it freezes on 5-10 minutes. Sometimes I keep up to show process list and I see that "distnoted" service eats all CPU time. I ...
2
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47 views

Get RSS Memory usage from entire OS on command line

I need to get the entire count of RAM being used on a command line. I can get individual process RSS usage using ps -o rss= -p #{pid} How do I get all the memory usage for the entire system on the ...
2
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0answers
89 views

What causes playing a video in browser to take up all the RAM?

I've been noticing lately that when I'm playing a video on my Mac from say Hulu, Netflix, Youtube, any video site via a browser, the computer gets extremely laggy for 5 minutes and then acts normal. ...
2
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0answers
397 views

Weird graphics issues after waking MacBook up

After locking my Mac and waking it up a few hours later this is how it looks: Also, some of the icons look weird after restarting the system (for example not fully rendered time machine icon: ) ...
2
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0answers
491 views

How much will upgraded processor and RAM affect battery life?

I'm considering purchasing a new Macbook Air, and one of my main goals would be to maximize battery life. If I upgrade the standard processor (from 1.3GHz Dual-Core Intel Core i5 to 1.7GHz Dual-Core ...
2
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0answers
101 views

iOS Memory Mangement Technique

I was wondering what kind of technique does iOS use? Single contiguous allocation Partitioned allocation Paged memory mangement Segmented memory mangement I believe it is partitioned allocation, but ...
1
vote
0answers
38 views

XCode problems - freeze and high memory usage

I had a problem with XCode - during debug session on device randomly see freeze and in Activity Monitor I see that XCode uses a lots of memory (over the physical RAM installed in MBP). I'm sending ...
1
vote
0answers
22 views

RAM ejector clips stuck after replacing RAM on late 2006 20" iMac Core 2 Duo

We have a 9-year-old iMac, and it's still running fine except that it started to slow down. So we decided to upgrade the RAM to 3 GB. Following the instructions on Apple's support site for replacing ...
1
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0answers
12 views

Swap Used when there is unused Physical Memory

I'm running on OSX Yosemite and notice that although there is 7 GB of memory unused, there is still 130 MB of memory used for swap. Are any apps actually using swap space, which I assume resides on ...
1
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0answers
57 views

MacBook Pro (Late 2008) 8GB RAM not being used

I have the following: - MacBook Pro (Late 2008) - MacBookPro5,1 - Boot ROM: MBP51.007E.B06. - OS X Yosemite 10.10.5 I upgraded RAM from 2GB to 8GB 1067MHz DDR3. The system recognizes the 8GB ...
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44 views

2010 Macbook Pro suddenly crashing

So for the past few months my computer has been crashing randomly. Recently it's been more frequent, so I thought it's time to get a real fix. My computer never crashed before I got an external ...
1
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0answers
37 views

How to get a notification when I exceed a set amount of RAM?

I've got 10GB of RAM in my 13" early 2011 MBP running the latest OS X 10.11.1 public beta, and I've been trying to decide if I can tolerate the 8GB model when I get a new computer. The answer to that ...
1
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0answers
365 views

kernel_task filling up disk

Something weird just happened. I got a warning that my disk was running out of space. I knew that it had like 15GB free before and wondered where all the free space went. I checked Activity Monitor ...
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0answers
2k views

iOS 8: Prevent Safari Mobile from reloading tabs by default

When switching between tabs in Safari Mobile -- Even within a few seconds -- Safari will automatically reload the tab. This will happen more frequently between sessions: Switching between Safari ...
1
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0answers
820 views

Facetime audio takes up SSD space

I was just using FaceTime audio and my phone told me I was running out of space. I was curious as to how this was possible as I knew I have about 2GB free yesterday. I kept going back in and ...
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0answers
499 views

Disable Quicklook for certain filetypes

We have a few Mac's that choke on folders that have a lot of .TIFF files in them. The quicklookd process, and Quicklook Helper processes skyrocket in RAM and CPU usage. I'd like to keep quicklook ...
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0answers
697 views

Apple Mail Using Excessive Memory

Recently, whenever I attempt to compose a message in Apple Mail, my entire system slows to a screeching halt and I have to shut mail down before I can have access to any other application. What's ...
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190 views

Why does Instruments say that WebKit in iOS (Safari) is allocating 200 MB of ram when I request a 15 MB file?

I am helping develop a cross platform web app, and we want to store about 20MB of data on the client. We are using the Application Cache to store our HTML, CSS, and JavaScript, and we are using the ...
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3k views

Yosimite Detects Faulty RAM Module but Apple Hardware Test Does not?

I just bought a used MacPro3,1 on Amazon. The system came with Mac OS X 10.6 but I downloaded Yosimtie and it states that one of the 2GB modules is faulty. When I installed Yosemite it wiped ...
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332 views

Why does OS X use swap memory when memory pressure remains low?

My system (Yosemite / 10.10) has been paging out to swap memory despite my memory pressure reading less than 50% over the last 7 days (tracked with iStat Menus). How is this possible? It would be one ...
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0answers
76 views

OS X Ram Viewer

I am starting to become an intermediate C++ programmer and messing around with memory allocation and would like to take a look what is going on behind the scenes. For instance, I would like to see ...
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291 views

Is 8gb of RAM in one memory slot possible for a mid-2009 2.53GHz MacBookPro5,4?

I have a mid-2009 2.53GHz MacBookPro5,4 and recently bank 1 stopped recognizing any ram installed in the slot (similar to this issue https://discussions.apple.com/thread/4263981). I originally ...
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0answers
173 views

After downloading file installer process runs and uses all memory

When I download a file from the internet a process starts with name "installer" and uses all the available memory until my Mac crashes. It's not related to the browser — I tested with Chrome and ...
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0answers
549 views

Reduce Maverick Memory Footprint

I'm using a macbook air 2014 with 8GB, also running Parallels a lot so wanted to reduce memory usage of OSX. Already disabled voice dictation that freed up around 500 mb. Any other tricks/tweaks?
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261 views

How to prevent PressAndHold from loading?

I have already disabled PressAndHold through terminal, but I see that it still appears as a process on Activity Monitor. It is taking 2.9 MB for me, but I want it to stop and not to begin at all. When ...
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0answers
556 views

Safari going nuts in Mavericks - iMac totally unresponsive

Is anybody else experiencing Safari going crazy on Mavericks? I have just unlocked my iMac (Model 2012, 12GB RAM, 2TB HDD, Core i7 3.4GHz) and everything was slow motion. The hard disk was spinning ...
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237 views

Macbook Pro Late 2011 stuck at 0.8 GHz

I have been experiencing a lot of problems with my Macbook Pro slowing down and crawling through small tasks like getting mail and opening Launchpad. I have 8 GB of 1333 MHz DDR3 memory and a 2.2 GHz ...
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0answers
492 views

Is there a way to limit Firefox / Chrome RAM usage?

I would like to know if there is any kind of setting to limit the RAM browsers can use. It's annoying that even if you have 30GB of RAM available eventually it will be all used by the browser.
1
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0answers
1k views

OSX - How to find out which process eats up memory?

My MacBook Pro has 8G RAM. Recently memory leak offen happened. Page outs and swap used kept increasing. The last time it used ~8G swap space. But in Activity Monitor, I can't find any process has a ...
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0answers
363 views

How do I ensure smooth video and music playback without breaks?

I'm using a MacBook Pro from 2011 with 4 GB RAM and I'm experiencing problems with music playback in iTunes (music stops and starts periodically) and video playback does the same. I've read many ...
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0answers
860 views

How to down-clock RAM?

My Mac (Mid 2009- MacBookPro5,5) laptop installing OS 10.8.2. Currently, it is using 2 x 1GB (1066 Mhz). My friend gave me 2 x 2GB (1600 Mhz) of his 2012 Mac. After installing 2 x 2GB (1600 Mhz) on ...
1
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0answers
1k views

Close down all background iPhone apps without clearing task switcher (Jailbreak)

I have a 3GS running 5.1. Memory management is key to keeping it running smoothly. I've tried: SBSettings processes. Clears apps one by one and clears memory - and leaves them in the task switcher. ...
1
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0answers
133 views

memory bandwidth for 13.3 macbook pro early 2011?

I have a 13.3 MacbookPro early 2011. Stock memory is 2GB x 2 PC3-10600 DDR3 1333 MHz. Now I want to upgrade RAM as 4GB x 2. Can i buy a memory which is PC3-10666 1333MHz, or do i have to buy ...
1
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0answers
135 views

iMac boots with one RAM, but not two

I've got a curious little problem going on over here. I've got an old late 2006 iMac (the white one). Was sportin' 1gb of ram, so I went and bought some more (4gb). Actually I bought two of those, and ...
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0answers
90 views

Crashes and hangs after memory DOWNgrade

I recently lost one of my SO-DIMM memory modules on my 20" iMac (2.4GHZ Core 2 Duo alu), and now my iMac is back on 2GB memory from 4GB. Both were ValueSelect (DDR2 667MHz 200-pin) modules from ...
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297 views

Sum of all processes' real memory not equal to used memory?

I wonder why the sum of all processes' real memory listed in Activity Monitor is not equal to (MUCH less than) the used memory?
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0answers
317 views

memtester hangs in single user mode

Trying to test as much of my 8 GB of RAM as possible with memtester, I encountered a hangup in single user mode, but not when running memtester on my admin user account. vm_stat is used to calculate ...
0
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0answers
16 views

I installed 2 4G 1600 Crucial ram card into my late 2010 Macbook Pro.

I installed the wrong Ram. Now my monitor is all funky. Is there an easy fix, or is it screwed? What damage might have caused by my error? i should have installed 2 4G 1066 cards. HELP!
0
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0answers
54 views

Mid-2012 MacBook Pro Restarting Because of Problem After Installing

I installed a Samsung 850 Evo (250 GB) in my mid-2012 MacBook Pro recently. I also took out two 2 GB RAM modules and put in a single 8 GB module. Now if I put my machine into sleep mode it will ...
0
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0answers
28 views

Will Corsair Apple Certified 16 GB (2x8GB) DDR3 1333 MHz (PC3 10666) Laptop Memory work with OS X Yosemite 10.10.2?

My Mac memory details say: 4 GB 1067 MHz DDR3 Your Mac contains 2 memory slots, each of which accepts a 1067 MHz DDR3 memory module. Will Corsair Apple Certified 16 GB (2 × 8 GB) DDR3 1333 MHz ...
0
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0answers
26 views

What is causing my Macbook Air to freeze when an external monitor is plugged in?

(Disclaimer: I am more interested in finding out exactly why this is happening than on taking a brute-force troubleshooting step that might fix the issue but will leave the root cause unknown.) When ...
0
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0answers
31 views

Reboot an Application when it Takes too Much Memory

Some applications start off with small memory footprints, but slowly grow to take up way too much RAM. Is there a way I can automatically detect when an app reaches a certain threshold, and then kill ...
0
votes
0answers
21 views

GDDR5 vs DDR3 card in a Mac Pro for GUI responsiveness

I'm wondering if we have somebody here who can provide an insight on quite specific question: will GDDR5 memory type translate in really better GUI speed on OS X (say latest 10.11) than DDR3 type of ...