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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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Macbook 2009 Memory Question

I'm working on a MacBook (13-inch, Late 2009) 2.26 GHz Intel Core Duo. I'm attempting to install two memory modules labelled 4GB DDRL-1600 SODIMM by Crucial (Memory Module A1/A2) I'm unable to ...
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“Critically low disk space” error when running python script since upgrade to OSX Mojave

I have a problem with a python script that is getting killed due to, what I believe, low available memory but I hope is a bug. Description as follows: I have a python script that loads 12 large (1-1....
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1answer
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Does this look normal when I'm only streaming a 4K video? (MBP15 2018, i9, 32GB, 1TB) [closed]

The question says it all; I'm using a 2018 MBP 15", i9 processor, 32GB of RAM and 1TB storage, running macOS Mojave v10.14.2. Does this look normal? On the first picture I'm using Chrome to stream a ...
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How willl a Mac Mini's SSD effect the maximum process size when use swap?

Reading, possibly out of date info, elsewhere OS X seems to limit the maximum process size according to the total RAM and a fixed proportion of the available disk. The new 2018 Mac Mini is very ...
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1answer
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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 /...
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27 views

What is the purpose of speculative memory?

Recently, I've found out that Darwin has speculative memory metric. But, I don't know what the purpose of speculative memory. The memory metric can be checked using vm_stat command on terminal. Mach ...
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1answer
60 views

Why did deadbeefdeadbeef become deadbeeedeadbeef?

My computer had a sudden shutdown today, and part of the associated report is found below: ** Panic Report *** panic(cpu 4 caller 0xffffff800a4bade0): "a freed zone element has been modified in ...
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2answers
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OK to use higher RAM than Apple “allows” it? [duplicate]

I am looking to upgrade RAM on a MacBook mid-2010, Model A1342. According to apple, I can only upgrade up to 4GB of RAM (currently only has 2GB). I don't want to blow up the computer if I add 8GB of ...
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1answer
27 views

Trying to fit iMac 27 Late 2013 memory into iMac 27 Late 2009

When shoving the memory in, I cannot get it to click (or get it deep enough for the lid to close). Are the dimensions different or do I need to push harder?!
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Making Photos use more memory when it is running in the background for People Tagging tasks [duplicate]

Is there a way to make the Photos app perform more computations when it is running in the background? Basically, I read that People Tagging happens when the computer is plugged and when Photos is not ...
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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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Can I use slower or fastest Memory in my MacBook Pro mid 2012? Different speeds? Different sizes?

I’d like to know if there’re any side effects to these memory configurations for MacBook Pro mid 2012 (I guess this can be extended to any Macs with removable memory). Doubt 1: any side effects if I ...
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1answer
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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 ...
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1answer
37 views

Why is my iMac memory usage (compressed memory in particular) so unreasonably high? [closed]

I'm using a 2014 iMac 5K running macOS Mojave with 32GB of RAM. I seldom felt any memory pressure given the work I do until very recently. To test it out, I rebooted my computer last night and worked ...
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1answer
351 views

What is the CAS latency of the memory in a Mac Mini 2018?

I'm researching a memory upgrade for a 2018 Mac Mini (in advance of purchase). I thinking to buy it configured with the base 8GB and upgrade it to 32GB with aftermarket memory modules, at a savings of ...
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2answers
133 views

Is it possible to upgrade original iMac (1998) memory (RAM) to above 256 MB?

I am looking into buying myself an original iMac, and I want to mess with the older system a little bit. Also, is it even remotely possible to change the RAM in the system to being over 256 MB. I am ...
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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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0answers
109 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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82 views

After I upgrade to Mojave I have a major error

Sandbox: iyEyOGTe(93) System Policy: deny(1) file-write-create /Library/Updates/.dat.nosync005d.Q5RrXv My laptop is loosing hard memory, in 4-5 hours 35 GB and it heating
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1answer
58 views

Are there any steps I can take to make macOS use more of my RAM?

Last weekend, I upgraded my machine to have 32 GB of RAM. I knew I didn't really need this much memory, but I figured macOS would use it for file caching or some such. According to Activity Monitor, ...
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Is memory or storage in the 2018 Mac mini replaceable by the user after purchase?

The tech specs of the Mac mini 2018 is unclear if the RAM or SSD can be upgraded by the user.
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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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43 views

unexpected reboot then unable to boot

Model Name: MacBook Pro Model Identifier: MacBookPro10,1 Processor Name: Intel Core i7 Processor Speed: 2.3 GHz Number of Processors: 1 Total Number of Cores: 4 L2 Cache (per ...
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3answers
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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 ...
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0answers
390 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 ...
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1answer
296 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, ...
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0answers
251 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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1answer
63 views

RAM module compatibility between two similar MacBook's

If a RAM module is removed from one MacBook Pro (13-inch, Early 2011) and inserted into another one of the same model, will it work?
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1answer
36 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 ...
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0answers
61 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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1answer
85 views

Can't enter Apple Hardware Test Mode on my macbook pro

I have an Early 2011 MacBook Pro. When I hold down D immediately after restart, it boots to the normal login screen. When I hold down ALT+D (with a working wifi connection before the reboot) the same ...
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1answer
65 views

Taking information from dead iPhone

I have an iPhone that is completely dead. Tried to fix it but there was a problem with the internal circuits if I remember well. I thought about selling the iPhone to people that want parts of it (e.g....
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0answers
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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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1answer
51 views

Disk Utility not formatting memory card

Have a Sandisk Ultra Micro SD card inserted into my MacBook pro using a Sandisk adapter. The card was originally in my Samsung Galaxy S7 however the phone stopped acknowledging it. The card is ...
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1answer
146 views

How to fix memory corruption on 2011 MacBook Air?

I got a 2011 MacBook Air 13”, the device was slowly dying. Now it only boots intermittently and crashes/freezes within 15 seconds of boot up. Many times it does not boot at all - just black screen and ...
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0answers
126 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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2answers
107 views

PlantronicsHub and a major memory leak

I’ve noticed that process SpokesUpdateService is promoted to the top of my Memory list. Here an example which I captured today (just 24hrs after my last reboot) but on the other day I’ve seen 2.4 GB ...
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0answers
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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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0answers
1k 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 ...
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1answer
52 views

Understanding which RAM chips are compatible with a Mac

I'm upgrading an eMac to 1 GB RAM (2 x 512 MB). A dude is selling the following chips, but I don't know what CL3, CL2.5, SDRAM, SDCL3, 168P and DIMM means. Could someone please explain what these ...
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1answer
73 views

Power consumption of iMac

All other things being equal, what is the difference in power consumption of iMac with 8GB of RAM and iMac with 16 GB RAM?
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14 views

Macbook Air Storage Capacity increases & decreases every time [duplicate]

When I start my macbook up, the storage status would be : and about 2-3 hours after that : I'm very clueless on the cause of this, has there ever been a similar issue? If so, how did the person ...
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0answers
341 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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1answer
82 views

8-16 RAM update worth it?

I'm using Gopro Fusion Studio to render 5.2k content before editing with Adobe Premiere. I never had problems rendering 4k but 5.2k makes the app crash. My Mac: MacOS Version: 10.13.5 Model: MacBook ...
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2answers
34 views

2013 Mac Pro RAM upgrade not much faster

I have a 2013 Mac Pro 10.10.2 running on Yosemite. I upgraded the RAM to 64GB(4X16) and it doesn't seem to be much faster while processing FCPX files. Are there any settings I can check to ensure it's ...
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0answers
15 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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1answer
15 views

How can I see if RAM was failing after removing it from the Mac?

I recently replaced some original 1GB RAM modules in my Mac Pro with 4GB ones. After a day or two of constant uptime, I attempted to reboot the machine which resulted in the power light blinking ...
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0answers
1k views

Disk Utility not reading memory card

I have a generic 4gb micro sd memory card inserted into a Samsung microSD adapter. When I insert this into my MacBook pro it is picked up, however the storage on both finder and disk utility is ...
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2answers
471 views

Why my 2009 macbook pro is faster than my 2017 retina iMac?

A couple of years ago I bought a used macbook pro from a friend of mine, I knew it was a good deal cause the mbp was modified and had very good response and performance, the specs of this mbp are the ...
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0answers
86 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 ...