Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

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

1
vote
1answer
28 views

How to find out whether NVRAM was reset?

I was having some issues with my mac so I reset NVRAM by holding ⌘+⌥+P+R. The problem is that this laptop does not chime when NVRAM is reset, so I'm not sure if NVRAM was indeed reset. How can I ...
0
votes
2answers
47 views

With 16-GB of memory, what is a reasonable limit to the number of open desktops?

I don't know what resources are used by adding desktops, but I am certain it is a bigger deal than adding new browser tabs. I've used 8 desktops (across 2 monitors) for awhile. Adding a few more might ...
3
votes
2answers
401 views

Is it possible to force a specific program to remain in memory after closing it?

Alfred is great, of course, and I use it all the time. However, if I haven't opened it for a little while it can take a few seconds to open the search-bar UI. Otherwise, it will open in less than a ...
3
votes
1answer
21 views

iMac 27-inch, Late 2014, RAM upgrade size combinations

There are 4 slots. 2 slots taken by 2x4GB that came with Mac at purchase. Max memory is specified as 32GB. Can I buy 1x8GB and 1x16GB to fill the remaining 2 slots. Or do I need to use 8GB for both ...
2
votes
1answer
2k 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 ...
0
votes
0answers
16 views

Wired memory is 3.5GB on launching Mojave

I have a feeling something isn't right here. My wired memory on my 2014 MBP (Mojave) is around 2-2.5GB, my 2012 iMac (high sierra) is around 1.5GB. My new imac Pro is sitting between 3.5GB-4.5GB. I ...
7
votes
1answer
1k views

Wi-Fi taking up lot of memory

Since the last major upgrade to macOS Mojave, I have the Wi-Fi process taking up a lot of memory and in an exponentially way. Time to time I need to force quit it in Activity Monitor because it takes ...
3
votes
5answers
17k views

Can I use Kingston RAM in a MacBook Pro?

I have MacBook Pro 15-inch, early-2011. I want to upgrade my RAM from 4 GB (2+2) to 6 GB (2+4). Can I use Kingston RAM (Kingston 4GB DDR3 1333 Bus SOD)? Or is there specific RAM made for Macs?
2
votes
0answers
48 views

How to fix MacBook Pro Display which is not working [closed]

I guess the reason you clicked this question is that you thought it was the backlight issue but it is not. This problem puzzles me. ISSUE: My display does not work. What MacBook do I have? ...
6
votes
1answer
3k views

WindowServer process takes a lot of memory

I'm using a MBP 13" 2014 on macOS high Sierra with a 4k monitor. The memory usage of WindowsServer can go quite high (up to 40 GB). The only solution I found is to reboot my computer -- as the ...
3
votes
1answer
41 views

Can I use one 8GB RAM module in place of two 4GB modules?

I have a MacBook Pro 13-inch, Mid 2012 and one of its RAM slots appears to have been damaged (The computer restarts when moved too much). So I can only have one RAM module in it. I was reading on ...
0
votes
0answers
17 views

Apple iTunes (Music): memory still on iPhone 5s after I having deleted the iTunes (Music) app. What to do?

I have deleted the iTunes (music) app from my iPhone 5s. Yet when I go to Storage & iCloud Usage > Manage Storage, I still see Music there with a couple of GB of usage there. What is going on? How ...
0
votes
1answer
32 views

Memory upgrade options for iMac Pro?

I'm considering getting an iMac Pro. I'd love to max out the crazy amount of memory but beyond my budget. Thinking of getting 64 GB RAM. If I did want to upgrade after purchasing, would I need to get ...
4
votes
1answer
338 views

When using Volatility with a memory image, what is the Kernel version?

The Volatility memory forensics framework github website lists these Mac profiles for OS 10.11: Profiles -------- MacElCapitan_10_11_15A284x64 - A Profile for Mac ElCapitan_10.11_15A284 ...
2
votes
1answer
295 views

Wi-Fi process using up to 16GB of memory

Sometimes when I switch Wi-Fi network or connect to a VPN via Global Protect the memory usage of /System/Library/CoreServices/WiFiAgent.app shoots up and my fans go mental. Why? This screenshot is ...
3
votes
2answers
753 views

just upgraded iMac late 2015 ram from 12 GB to 28 GB and it became too slow to use

I had added an 8GB RAM along with existing 4GB when I purchased this iMac in 2016. For all this long it was running fine when lately I thought to add more RAM. So yesterday I added 2 more 8GB RAM ...
-1
votes
1answer
42 views

RAM recommendation for hosting 8gb Linux Mint under Virtualbox?

I need to run the latest version of Linux Mint (19.1) under VirtualBox for software testing and debugging. To get the tested apps to run well the VM needs to have 8gb ram, but right now that's the ...
0
votes
2answers
55 views

Encrypted forgot password NO Recovery Key

I forgot my password to my Macbook Pro and I dont have the recovery key. I dont ever remember putting my computer on FileVault lock...to the point well forgot my password. I need help :'( I have ...
0
votes
0answers
15 views

MacBook Air heating up and lagging for no apparent reason

Earlier today I had a few apps open, and one of them was Safari, which had some tabs open which may have been using a lot of energy and/or memory. (One of them was this program by me which draws a ...
0
votes
1answer
65 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 ...
6
votes
2answers
5k views

Does the iPhone support TRIM for flash memory?

I'm asking if TRIM is enabled on iOS because, ever since I ran out of memory on my iPhone (have since cleared a few GB back), it seems to be slower than it was before. My suspicion being that, with ...
6
votes
3answers
6k views

Why does speech recognition take up 1 GB or RAM suddenly? And Gmail in Safari 738 MB?

I did enable speech recognition just in case, but very rarely use it, and I did not remember even accidentally activating it since bootup. Now I simply have a few apps running under Mavericks, and I ...
13
votes
2answers
7k views

What is memory pressure, and how do I relieve it?

I have had my machine for more than a year now, and I'm looking at Memory Pressure in the Activity Monitor. What is this memory pressure and How do I "relieve" this memory pressure from my system? ...
0
votes
1answer
27 views

Tracing PHP process killed on Mac does not work

I'm running a simple PHP process that uses a tiny bit of memory and CPU. The max memory limit is 2G and the script is run from console. The memory used never exceeds 200 MB. CPU use fluctuates ...
3
votes
1answer
73 views

what is the Update from iMac OS X 10.6.8 [duplicate]

When I go into my Apple Software Updates on my OS X 10.6.8 computer to update to OS X 10.9, the computer tells me that I do not have any new updates. How can I upgrade to OS X 10.9 if it does not ...
1
vote
0answers
21 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 ...
10
votes
1answer
3k views

How to free up a swap space manually without restart?

I'm on High Sierra on MacBook Pro with 16GB of RAM with SSD. Got 15G of swap files, is there any method of freeing swap space/files without restart? $ sysctl -a | grep swap vm.swapusage: total = ...
6
votes
3answers
2k views

Tell macOS to only use swap and compressed memory when really needed (macOS 10.14 Mojave)

As disabling swap and/or compressing memory is not recommended and also not a stable option after 10.9 Mavericks (despite the vm setting exists), I'm doomed after few days of running my Mac with my ...
11
votes
4answers
16k views

icdd process consuming substantial memory on macOS

In the past week or so the process 'icdd' has been starting from time to time and when it does it consumes massive amount of RAM (upwards of 7 GB). When this happens, my MacBook Pro essentially ...
2
votes
2answers
10k views

What's the difference between real memory and CPU, and what are there effects on the performance of my computer?

In Activity Monitor, there are a couple fields: "PID", "Process Name", "User", "%CPU", "Threads", "Real Mem", and "Kind". I'm not familiar with the inner workings of computers and the related ...
5
votes
1answer
3k views

“Your system has run out of application memory”, but memory pressure is not even at 50%?

The system has 16GB of memory, and the memory pressure looks well below even 50%. This doesn't make any sense. Usually the message starts popping after about 10 days without restarting. Any light to ...
0
votes
2answers
471 views

iPhone 5s: benefits of 64 bit processors if no more than 4 GB of RAM?

My understanding is that the (main) reason of having a 64 bit processor, is to be able to use more than 4 GB of RAM. In PCs, it is now very common to have more than 4GB of ram, and to really be able ...
16
votes
2answers
13k views

vm_compressor_mode (vm.compressor_mode) values for enabled compressed memory in OS X

Background In Super user, with an accepted answer: Disable compressed memory in Mac OS 10.9 Mavericks? Also in Super User: how to get memory compress back in Mac OS 10.9 Mavericks? – and from ...
0
votes
0answers
33 views

Dual CPU Mac Pro 4,1->5,1 won't boot with more than one RAM stick per processor

I was working on my dual CPU Mac Pro 4,1 (upgraded to 5,1), having removed the CPU tray to access the board behind it, and subsequently the machine was non-bootable. Following the process of building ...
2
votes
2answers
150 views

How to determine if the graphics card is at fault on an iMac?

I ended up with an Mid 2010 21.5" iMac that I wanted to dust off and give to my kids. They have light needs, but I'd love to start introducing them to messaging and email with family, plus some ...
29
votes
8answers
67k views

Can I solder more memory into my MacBook Air?

I love everything about my Macook Air except its very low maximum memory (and yes I bought it with the maximum available at the time). So I'm thinking "I know how to solder... how hard can it be?". ...
15
votes
7answers
260k views

“Your system has run out of application memory.” How is that possible?

(Translation it->en: Your system has run out of application memory. To avoid problems with your computer, quit any applications you are not using.) How is that possible if there are only few open ...
1
vote
1answer
273 views

30GB out of 32GB being used for wired memory?

I have 32GB of memory and am downloading stuff over FTP using FileZilla. My memory usage is 31GB with 30GB of that being allocated for wired memory. Is this normal when downloading stuff over FTP? ...
3
votes
1answer
485 views

MacBook Pro - Install slower memory than specified?

I recently bought a a pair of DDR3-1066 SODIMMs to upgrade a Mid-2010 MacBook Pro. On the packaging for the memory, it says "Compatible with MacBook Pro: Mid-2010, Early-2011, Late-2011". However, ...
4
votes
2answers
1k views

2009 4,1–5,1 Mac Pro Upgrade Only Shows 1066 on RAM. NVRAM Reset Didn't Work

So I just finished my 4,1–5,1 build. I installed a pair of X5675's along with two sticks of Samsung 16GB DDR3,4RX4 PC3-10600R 1333MHz 240-pin ECC REG Server Ram, for 32Gb. Trouble is, it's showing up ...
2
votes
5answers
20k views

Mac Mini (Late 2009) - Recommended OSX Version for it?

I have a Mac mini (Late 2009) (hw.model: Macmini3,1, 2 GB RAM) that I've got hooked on my TV primary as a "media consumption" device... but a while ago I updated it to: Mac-mini:~ javier$ sw_vers ...
2
votes
1answer
22 views

Configure Memory (Photos) titles to have a specific date format (M-D-Y or Y-M-D)

Is it possible to change the way Photos is naming the memories? Basically, it is quite stupid to name it using Day-Month-Year order, since an export of the memories using the option "Create subfolder ...
2
votes
1answer
994 views

MacOS 10.10 on 4 GB memory bloat: which launch daemons/agents/services can I disable? And how to discover the names of the culprits?

I recently did a Yosemite (10.10) clean install on my 4 GB 2010 MBP, but it now has so much memory bloat due to unnecessary launch daemons/agents /services that it causes frequent beachballing; ...
1
vote
1answer
20 views

How do I get the memory allocated to a ramdisk back?

I wanted to use a ramdisk. SoI created one, filled it with 3GB data and unmounted it. Like this: diskutil erasevolume HFS+ 'ramdisk' `hdiutil attach -nomount ram://8388608` cp -pr some3GBdirectory /...
0
votes
1answer
14 views

Can I put MacBookPro5,1 RAM in a MacBookPro5,2?

I have an old 5,2 17” June 8, 2009 MacBook Pro that I want to upgrade the RAM in, can I put some slightly older MacBookPro5,1 RAM in it, or will it not function right? I’m assuming it will mess up the ...
1
vote
1answer
442 views

memory footprint of 4k monitor on 2018 13" Iris 655

I'm thinking of getting a 2018 MBP 13" to connect two 4k displays simultaneously. I assume that once that happens, the system memory footprint is going to increase in order to buffer these displays, ...
0
votes
3answers
105 views

Automator action “Rotate Images” is incredibly memory-intensive

I'm building an automator workflow to rotate images. It seems that sips and other image rotation possibilities do not actually change the bits of the image, but just flip a switch for orientation, and ...
0
votes
0answers
22 views

Upgraded to 16gig ram mid 2010 macbook pro core2duo, slot missing and computer not waking up

I upgraded my ram as was specified online, 1066Hz, it worked. But then, if my computer reads 16 gigs of ram, when I close my lid, it won't wake up anymore. I force shutdown with the power button, ...
7
votes
1answer
458 views

How to limit RAM in an OSX device? [duplicate]

Related to my other question, I'm about to buy a new Mac Mini. I would like to reduce RAM to 8GB in order to see if 8GB is enough to my daily tasks in my MBP retina 15 early 2013 16GB RAM. The idea ...
0
votes
1answer
63 views

How much RAM memory do I need for an OSX device? [closed]

I'm about to buy a new Mac Mini and I would like to know if it's enough with 8GB RAM or I would need 16GB. Linked is my MBP 15 early 2013 16GB RAM usage in a current daily usage. memory pressure ...