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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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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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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555 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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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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919 views

Wi-Fi process using up to 16GB of memory [duplicate]

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 ...
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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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How to see total memory usage per app?

Is there a way to see memory usage per app in macOS? That is, I want to see the total memory consumed by each app, including its child processes. The Activity Monitor shows memory usage by process ...
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9k views

Can I upgrade the memory on late 2013 Retina MacBook Pro? [duplicate]

The below is my macOS version with basic capabilities : While developing my apps, my Mac often shows great memory usage and swaps. These makes my Mac running and building apps slowly. I would like ...
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49 views

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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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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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 ...
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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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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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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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Reliability of cheaper RAM like Komputerbay, or unbranded?

Online stores sell DDR3 memory from companies like Komputerbay for a fraction of the price that Kingston, Samsung, Crucial, OWC, etc. charge (not mentioning Apple OEM). Most reviews are good, but ...
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Why is iBooks.app taking 650 MB memory on MacBook Air after updating to 10.14.5?

I have books of around 110 MB but I haven't used the app very much recently. I tried opening and quitting the app. And quit the process from activity monitor too.
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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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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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886 views

Is there any not-scary explanation for Finder's memory usage?

OS X El Capitan 10.11.6. MacBook Pro (Retina, 13-inch, Early 2015).
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Stress Testing Your Mac For Optimal Performance?

Stress testing maybe considered a useful way to determine if your Mac is performing at its optimal level of performance & may also be an indicator of faults of any components within your Mac. ...
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796 views

Upgrading Mac mini (Mid 2011) RAM

I've got a Mac mini (Mid 2011). It currently has 4 GB of RAM which I want to upgrade to 16 GB. I know that officially with these versions, only 8 GB is supported, but I've read from OWC Announces ...
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What is “secd” process?

I wonder what secd process does under OSX Yosemite. I am pretty sure I have seen this process running in earlier MacOS versions, but I don't remember it gobbling up all the available memory so boldly.....
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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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1answer
122 views

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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2answers
2k views

macOS High Sierra memory always at 75%

Since my update to macOS High Sierra my memory is always at 75% even after a fresh startup. Is it just iStat Menus that shows it this way or is there really only 25% of memory free (out of 8GB) ? Or ...
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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? ...
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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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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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48 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 ...
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2answers
414 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 ...
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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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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 ...
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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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5answers
18k 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?
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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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1answer
4k 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
57 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 ...
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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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1answer
37 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 ...
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343 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 ...
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2answers
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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 ...
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53 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 ...
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2answers
119 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 ...
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35 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 ...
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1answer
71 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 ...
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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 ...