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Questions tagged [memory]

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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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 ...
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3k views

Can I turn off swap and/or memory compression on macOS 10.12, Sierra?

Is there a way with macOS 10.12, Sierra, to safely turn off compressed memory? And is there a way to turn off safely swap? This was possible on macOS 10.9 and macOS 10.10. Although it sometimes ...
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2k views

recentsd process has very high memory usage (almost 2GB) - how to fix?

Right now, activity monitor shows that a process called "recentsd" is using 1.82GB of memory (1.08GB compressed, 752MB private) on my MacBook Pro running macOS 10.13.1. Some googling has lead to the ...
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233 views

Mojave Wi-Fi app using 2GB of memory

What is the application Wi-Fi, and why is it gobbling 2GB of memory? Running latest version of macOS Mojave 10.14.1 on a 2018 MacBook 15" with 16GB of memory total.
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615 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 ...
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810 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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24 views

Can I adjust the size of the scrollback buffer of a certain terminal window?

I want to adjust the size of the scrollback buffer of a certain terminal that is already open and running a command (that produces a lot of output). Currently the size of the buffer is set to be ...
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3k views

Is hibernatemode 25 broken on macOS High Sierra and can it be fixed?

Following the instructions on this article, I've had hibernatemode 25 working since Sierra, El Capitan, and probably Yosemite. It's set via: sudo pmset -a hibernatemode 25 Beforehand, it worked like ...
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579 views

Why is Activity Monitor showing two different memory values for the same process?

In Activity Monitor, I am getting two different values for the same process, mds_stores. The usage was around 4 GB an hour ago in the list and the window. It was high because I was reindexing my ...
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50 views

New MBPs run out of RAM while older MBPs don't

I'm running application tests, spread by ssh across five machines, each running several iPhone simulators. On the three mid-2015 Sierra machines, I can run seven or so Simulators quite happily. On ...
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40 views

How to isolate sys / kernel vars that may cause odd problems and “no mountable file systems” on a high memory system?

How would one ascertain what the bottleneck is on a system with high memory (128 GB RAM) and starts getting peculiar errors when there's only 10-20 GB remaining free? I'm getting various odd issues ...
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1k 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: ) ...
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490 views

Why is my Wi-Fi Process eating >2GB memory

Why is the Wi-Fi process taking so much memory? EDIT: Apologies, I should have clarified my question. I'm a web developer that spends most of his time developing apps locally. Not interacting with ...
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0answers
469 views

3D Acceleration Virtualbox 5.2.18 bug on Macbook Pro 2018, 15"

Background I have been having two different issues related to the performance of my virtual machines running on my brand new MacBook Pro (15-inch, 2018). Given the specifications of my new Mac, there ...
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0answers
17 views

Identify cause of graphic errors

I have a late 2006 iMac with Intel Core2Duo, 64-bit (32 bit EFI) with some upgraded parts: 2*2GB RAM (only 3 GB can be used) 100GB SSD which has been running for 3 years now with trim-enabler In the ...
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271 views

Why does iTunes on macOS take up so much RAM in 2018?

I have a Mac that is running 24/7 for a variety of reasons, but one of them is to act as a media server for an AppleTV. As such, I need to run iTunes at all times so that the Apple TV has something to ...
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147 views

Can I turn off memory compression for one specific app?

I am using MATLAB on my Mac. Well, MATLAB is running well but not fast -- while there are plenty of free memory, my Mac still compresses MATLAB's memory - from ~2GB to ~600MB -- not to mention the ...
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3k views

Safari Networking is using all my memory

Safari Networking is using more memory than I even have on my computer (only 16 GB RAM). This process, Safari Networking, seems to be constantly rising in memory usage. From the time I opened stack ...
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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 ...
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0answers
134 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 ...
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0answers
2k 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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490 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 ...
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0answers
253 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 ...
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139 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 ...
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111 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. I'...
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614 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 ...
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28 views

iPhone 5s has 5+ Gb of free memory space but refuses to take photos saying “Storage is full”; reboot works for a while

I have an iPhone 5s (16 Gb). It currently has 5.6 Gb of free memory space, but refuses to take photos, saying "Storage is full". When I reboot it, it does take photos for a while, but then again this "...
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0answers
25 views

How to tell a process not to use swap and virtual memory on mac?

I would like to run a specific program and tell it not to use swap or virtual memory. I'm ok with having the OS kill the process when it is OOM. I don't want to change the machines general ...
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0answers
41 views

Installing 1600Mhz memory in a Mac Mini that uses 1066Mhz memory

I have an old Mac Mini (2009, Core 2 Duo) which uses 1066 Mhz DDR3 RAM modules. However, I haven't been able to find them near me; the closest I've found are 1600Mhz modules, which have otherwise the ...
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0answers
22 views

Music stuttering

I'm trying to listen to music on my Mac, but no matter if it's via YouTube, Spotify or iTunes the music will simply stutter. My system specs are: macOS Mojave 10.14.3 MacBook Pro (13-inch, 2018, Four ...
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85 views

Apps crashes after Memory Upgrade

I have MBP late 2011 that was 4GB RAM. So I upgraded it to 16GB. It boots fine and I can use with Firefox and some other apps, but when I try to use it with some apps (Android Studio and XCode) those ...
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0answers
14 views

Mac Pro 2012 Memory failure after security update

I'm running Sierra on a Mac Pro 5,1. I've got 48GB (6x 8GB) of RAM and after updating to the last security update I've got a RAM conflict, I've swapped some modules position and I could get just 32GB ...
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106 views

Mac running slow on specific user. A lot of stuck processes found in top

SPEC I'm running Macbook Pro 13 inch mid 2012. i5 2.5GHz with 8G memory. Mac OS on the SSD and home path of the user account is at the other HDD. OS: Mojave v10.14 (Just updated. This problem has ...
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0answers
87 views

iMac Memory and Performance Issues

I have a 27 inch late 2012 iMac with 32GB of RAM and a 3TB Fusion Drive. The hard drive was replaced in June 2017 so only has a year of wear on it and should thus be in good condition. For the last ...
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164 views

iPhone 7/ iOS 11.4.1: why does “Other” content consume all available storage?

I am user of iPhone 7 32GB on iOS 11.4.1 and I have this trouble since last month. Here is my memory usage : ​ Other is "System" on iPhone This freaks me out. I should restore my phone every 3-4 ...
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272 views

Mac Pro 5,1 - Red LED's On Slot #4 and Slot #8 - No Processor Error

I have a Mac Pro 5,1 dual processor. When powered on, no matter what slot the RAM is in, I get a light on slot #4 and one on slot #8 even though those slots are empty. No processor warning lights at ...
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576 views

Early 2011 Macbook Pro faulty GPU or Logic Board?

I have a 15" Macbook Pro from early 2011 and am trying to figure out whether the logic board is broken. Background and Original Symptoms In 2016, my Macbook first showed signs of a broken GPU. Since ...
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0answers
1k views

Your system has run out of application memory: /tmp directory of tar command

I once extracted a huge tar file in terminal, but it was too big. So, in the middle of the process, my computer ran out of memory, and everything crashed. I rebooted my system, hoping that things get ...
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0answers
96 views

Ram problem even if they pass the apple hardware test?

After updating the ram 2 x 8 GB (CT2KIT102464BF160B) the mac mini late 2012 have started various kernel panic, doing the Apple Harware Test to verify the modules the ram is ok, everything is ok. So ...
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0answers
3k views

“Your system has run out of application memory.” Springboard leak?

I have a problem with system run out of application memory last days. All my applications are frozen after the system message, and the only way to work again is to make a cold reboot with button. I ...
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0answers
286 views

How to solve performance issue after upgrade to Mac OS X High Sierra?

I recently upgraded to High Sierra and after upgrading I've run into an issue where after the machine has been up for several days, the performance starts to get really bad. For example, when typing, ...
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0answers
106 views

Macbook crashes maybe after ram replacement or not

I have MacBook 17' early 2011, that max ram is supposed to be 8gb, but I recently installed Crucial 16gb new ram. I had it crashing several times and not turning on, but finally, it worked out and it ...
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0answers
296 views

MacBook Pro RAM Failures when testing with rember

I am facing with an interesting problem that; if I use my both memory modules ( 2 x 8gb,1333 ) I am having memory issues and macbook crashes. I did run some hardware tests (Pressing D during the ...
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1k views

Late 2015 iMac (purchased early 2017) running very slow

My iMac has been running very slow since purchase. I've done all the tests and checks I can think of, below is a copy of the EtreCheck report that was done today. Reviewing it, other than not enough ...
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39 views

iPhone app switching, memory, reloading, losing data - why?

I often find myself in the middle of doing something in an app, then needing to find something relevant in another app and when I switch back, the app I was working in reloads and I've lost the data. ...
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0answers
53 views

MacOS crashed four times today

Further information: unable to get into diagnostics I tried getting to Apple Diagnostics: shut down computer, press power button, hold D key down: instead of diagnostics I am taken to the usual login ...
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0answers
277 views

How can I force a process to swap into virtual memory?

I'd like some inactive processes to app swap into virtual memory, freeing main memory up for other uses. I have created a few shell scripts - sleepchrome, sleepfirefox, and ...
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0answers
222 views

MacBook Pro crashes frequently

I am currently facing severe issues with my MacBook Pro (Mid 2010) and my intuition tells me that it is probably a hardware problem only hard to fix. After all, I have used my machine for roughly six ...
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0answers
329 views

Mac OS X El Capitan memory management problems? Apps “not responding”

I have a MacBook Pro with 16 GB RAM. Current uptime is just 8 days. I may have triggered page out event while also being low on free HDD space. Now some of the apps won't work despite low memory ...
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35 views

“Picture” folder basically empty, shows ~47GB usage

I have spent the entire day trying to resolve my 88GB "Other" problem (it is down some now). I discovered that my "Picture" folder, while basically empty, is ~47GB. In the folder is an empty photo ...