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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40 views

Is there a command line program or script to monitor VRAM usage?

I have a mid-2014 MacBook Pro [2.8 Ghz i7 (4980HQ Haswell/Crystalwell), NVIDIA GEForce GT 750M (2040 MB VRAM)], running 10.13.6, connected to a Dell P2715Q 27" 4K external monitor. Since the last ...
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Is there some way to specify memory limits on specific apps in MacOS?

I bought a 32GB MacBook Pro because I teach a software boot camp and need to run several memory intensive apps (video conferencing, ide, chat, browser w/ many tabs, etc...) and my 8GB MBA couldn't ...
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Benefits of using APFS for a RAM disk? [closed]

The Questions: Create APFS RAM disk on macOS High Sierra Create an APFS RAM disk …talk about how to create a RAM disk on macOS using the APFS file system. For example, I use this on a console to ...
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When will we have LPDDR4x memory in MBs/MBPs?

Apple just announced their much expected 16" MBP, which still features DDR4 memory in order to be able to support more than 16GB RAM. I find that a bit disappointing, and am a bit puzzled as to why we ...
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Command to release the best amount of Kernel Task and Memory Ram

I have an old MacBook Pro 2012/2013 and it has the El Capitan Through the Utilities -> Activity Monitor tool I can get the following stats according the following behavior: For example if the Mac ...
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softwaredownloadd consuming insane amounts of RAM

When I went into Activity Monitor, I noticed that a process called storedownloadd was consuming 2.7GB of RAM and increasing RAM usage steadily (3.1GB during screenshot). However, it was not consuming ...
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Catalina upgrade leads to permanent “system has run out of application memory”

After upgrading to Catalina I get a permanent error message stating "Your system has run out of application memory" which appears in a dialog that obscures my active windows. This appears when I ...
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28 views

Why is the RAM usage of my system smaller on startup than it is after using (and closing) software?

When I start up my mac the ram usage is about 4 gig. I will open up a few programs like photoshop and indesign which use a lot of ram and then shut them down again to try to reclaim that ram when i ...
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RAM stress test

I'm spec-ing a new MacBook Pro and want to know how much memory my workload requires. I'm doing my development work on a 2011 iMac with 16GB of RAM and want to know if I need that much memory for my ...
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Macbook sudden black screen & Shutdown

My MacBook pro retina 15" Late 2013 8 gb RAM MacBookPro11,2 A1398 (EMC 2674 ) was shutting down by itself, and when I ran the command in terminal the log it says, kernel: (AppleSMC) Previous ...
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Any good memory test for newer Macs (2015 and later) [closed]

I'd like to be able to test memory thoroughly in Macs (2015 and later, for older Macs I use Apple ASD tests). I tried Memtest but it won't boot from a thumbdrive for some reason.
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How to find the speed and CL settings of DDR3 SODIMM?

I bought a pair of Crucial 8GB DDR3 1866MHz SODIMM for my iMac 27 5K Retina Late 2015. I suspect the SODIMM that I received is 1600MHz, potentially counterfeit. Here is my question Is there any ...
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Is this ram compatible with iMac 27"?

I’m looking to upgrade my iMac’s ram but don’t really know much about what’s compatible and what’s not. Is a ram with following features compatible with it? Crucial 16GB DDR4 2400Mhz SODIMM CL17 DRx8 ...
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iMac 4k 2017 3ghz - RAM upgrade experience (32G)

I have 4k (21,5") iMac 2017 with 3Ghz CPU. Already using thunderbolt external nvme ssd and now it is time to upgrade the RAM. (Yep, I know what needs to be done, no need to warn me.) I would like to ...
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Can I upgrade the memory in a MacBook Pro 2019?

my Mac is a MacBook Pro 2019 I do not have any information about Mac or cp. I am using R and I am running a heavy model, but I can not get a result because of lack of memory. Is there any way to fix ...
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Problem with copying files above ~4.2 GB [duplicate]

I am trying to copy video (mp4) files from the solid state drive of my MacBook Pro to both a external hard disk as well as to a SanDisk USB thumb drive. It goes well up to abut 4.1 GB file size, but ...
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Saved images from Photoshop do not show up in folders until restart

I have a problem saving images from Photoshop CC. I usually shoot Camera Raw images, edit them and save them as JPEGs. Photoshop seems to save images normally - it takes about 2 seconds to complete ...
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RAM upgrade for an iMac 27" 2017 used for video-editing, compression and audio recording

I have a 27" iMac (2017) - 4.2 GHz Intel Core i7 - Radeon Pro 580 8 GB - 16GB DDR4 running macOS Mojave 10.14.6. I do a lot of video editing, compression and record a lot of Live DJ Sets with a Pro ...
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This webpage is using significant memory: how to stop it appearing?

This webpage is using significant memory. Closing it may improve the responsiveness of your Mac. This banner appears at the top of some websites I use sometimes. If I close it, it reappears again ...
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4answers
937 views

What are my hardware upgrade options for a late 2009 iMac?

It is now July 2019 and I have this Late-2009 iMac. macOS High Sierra Version 10.13.6 iMac (27-inch, Late 2009) Processor: 3.06 GHz Intel Core 2 Duo Memory: 4 GB 1067 MHz DDR3 Graphics: ATI Radeon HD ...
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Is there a difference between PC4-21333 and PC4-21000 RAM for iMac 5K 27' 2019

I am trying to upgrade my iMac 2019 5K 27' to 64GB. Per Apple specs, the RAM should be PC4-21333, but the only one I seem to be able to find on Amazon or macsales.com seems to be PC4-21000. Is there ...
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How to know how much CPU and RAM I need for new computer?

I got a pimped up macbook pro (i7 3.3GHz i7) from late 2016 atm, but I feel like I could use a less powerful machine. I would like to find out what's my current/peak average CPU and RAM usage to see ...
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Unexpected limitations on “Updates” folder?

Apple sent me 4GB of updates to go to macos 10.14.5 this morning. As I have several systems needing this update, I thought I would try to save the contents of the /Library/Updates folder to use rather ...
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2010 Polycarbonate (White) MacBook: Has anyone tested to run with 2x1600MHz DDR3 16GB memory?

I am looking to add more RAM to my 2010 Polycarbonate unibody MacBook. It has Core 2 Duo with Nvidia 320M chipset. I've read that this model can run 16GB RAM (even though Apple states otherwise), and ...
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iMac 2019: Can I mix the old modules with the new ones when upgrading RAM?

I've found a similar question but it's about the 2016 iMac, so I want to double check for the current (2019) model. Can I mix new RAM (Crucial CT2K16G4SFD8266) with Apple's stock RAM? I am planning ...
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152 views

MacBook Pro equipped with 16 GB RAM, never uses more than 8 GB

I have an early 2015 MacBook Pro equipped with 16 GB RAM. The computer however appears to be never using more than 8 GB. This is a screenshot of htop with the computer under heavy load (Large postgres ...
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RAM Upgrade for Mid-2010 MacBook

So I have a Mid-2010 MacBook and I tried to upgrade the RAM. I put in 2 4GB sticks and it started to beep. I took out one, and it still beeped. When I put in one of the original 1GB sticks and a 4GB ...
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Can the 2019 MBP 13'' i7 16gb support a (flawlessly) 1440p 165hz monitor? [duplicate]

I have a 2019 MBP 13'' with i7 quad 8th and 16gb ram, and I am considering buying a 1440p 165hz Dell to pair with it. This has a displayport port only. I am looking for flawless performance, no ...
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532 views

Why is my Wi-Fi process using 3GB of memory?

I was shocked to just find that the Wi-Fi process on my brand new macbook pro is sucking up 3.4 GB of memory. Why is that and how do I reclaim it? I reviewed a few other questions here about this but ...
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Can I upgrade the RAM on my 2011 MacBook Pro

I am planning to purchase a used MacBook Pro from someone, and the configuration is as mentioned: MacBook Pro 15" (A1286) Late 2011 i7 2,2 GHz 8 GB RAM 500 GB HDD Will I be able to upgrade the RAM ...
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1answer
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MacBook Air 7.1 (early 2015) freezes for five to ten minutes after login

Recently, my MacBook Air 7.1 (early 2015) has been very slow on startup. That is, the system boots quickly, and then I'm able to login, and the desktop begins to load. Initially, I have control and ...
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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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What is the difference between Memory, Real Mem, and Compressed Mem?

I've already seen this question: What's the difference between Real, Virtual, Shared, and Private Memory? but I think it might be outdated. Specifically, there is a Memory column, as well as ...
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222 views

Change output format of “top” command in Mac OS for memory usage?

I am using the top command in Mac OS from this answer to grab memory usage: $ top -l 1 -s 0 | grep PhysMem PhysMem: 5490M used (2569M wired), 11G unused. Can I go from that to possibly printing out ...
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Why is iBooks.app taking 650 MB memory on macOS 10.14.5?

I am using macOS Mojave 10.14.5. Books.app shows 650 MB memory being used in Activity monitor even when it is not opened. I have books of around 110 MB but I haven't used the app very much recently. ...
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Which memory bank is which?

On a Macbook Pro 17" 2008 (Penryn), which memory bank is bank 0 and which one is bank 1? I can't find a diagram indicating which is which, when looking down at the slots, with the RAM cover removed (...
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621 views

Does running both (XCode & Android Studio) at the same time overload my MacBook Air with only 8 GB of Ram

This IDE is for the Automation Testing Purpose. Along with Appium Server, I need to run the Emulator of Xcode's iOS Emulator and the Android Studio's Emulator. Does this Run smoothly in the 8GB RAM ...
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MacBook Pro shows blank screen then shutdown [duplicate]

My MacBook Pro Retina (15inch Late 2013) shows blank black screen Shutdown randomly here are the logs can you tell the reason ?
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iMac 27" 2017 memory upgrade question

I have 16GB of RAM installed on my iMac 27" 5K i7 2017 (2 x 8GB). There are 4 slots in total and I would like to add another 16GB. I don't know if it's best to buy 2 x 8GB or 1 x 16GB?
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iMac 27", Mid 2010 (11,3 model)

I have an iMac 27", Mid 2010 (11,3 model), "Core i7" 2.93 GHz. 4*2GB installed RAM..Plan to upgrade. Any thoughts, experience if 4 * 8 GB would work if upgraded to or is 16GB with 4*4GB max I can ...
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Will upgrading to a 32 GB RAM Macbook Pro significantly speed up Adobe Illustrator?

I use Illustrator to create large, detailed pattern designs. The .AI file size of one of these designs typically exceeds 500MB. When I’m working on a large file like this, Illustrator performance is ...
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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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731 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 ...
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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 ...
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1answer
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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 ...
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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 ...
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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? ...
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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 ...
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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 ...
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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 ...