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Questions tagged [memory-management]

Memory management is the act of managing computer memory at the system level. Questions tagged with Memory Management can cover Applications and Operating Systems

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WIndows 10 Memory Management - used, free, standby and file cache.... What is going on?

I have a W10 system which, while quite old now is not a slouch (Dell Precision T3620 with i7-6700, 32GB RAM, GTX 1060 6GB, 512 GB NVME, 2x512 SSD and 4TB HDD). I use it for work (software & DB ...
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Why is unused memory counted as used at the same time?

So I'm regularly using a VM with Hyper-V on my Windows 11 host system (Windows 11 Pro, 64 bit, 16GB RAM, Core i5) without any issues. But since yesterday I noticed that I don't have enough available ...
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What is making Chrome's Utility Speech Recognition Service consuming too much memory?

I recently started to find Chrome (actually Chromium) consuming too much memory, so, I opened the browser's Task manager to observe which pages/processes are doing that the most, and I always found ...
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How to know the total memory consumed by an app (chrome) in linux

I am trying to find out the memory consumption of chrome browser in linux. The problem is that the sum of the resident memory (text+data+stack) reported by htop of all the chrome processes is not the ...
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Why don't SSD replace RAM? [closed]

I have been taught in Memory hierarchy we have RAM to get rid of bottleneck of HDD as they are very slow being a mechanical devices. Since CPU are very fast and to maximize their use we have RAM (Then ...
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My PC reserves half of my RAM for hardware

The problem is basically what the title says. I've been reading a lot of posts where they have the same issue and I tried all the solutions. These are my specs where you can see I only have half of my ...
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How can memory testing programs work without being a security breach?

I was just running a memory test on my laptop (from the manufacturer, running as a service in Windows 10 Pro) and it occurred to me that they claim to be able to actually test all of the memory in the ...
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BSOD Memory Managment First time building computers, need help (Asus X570 Prime Pro)

Microsoft (R) Windows Debugger Version 10.0.22473.1005 AMD64 Copyright (c) Microsoft Corporation. All rights reserved. Loading Dump File [C:\Windows\MEMORY.DMP] Kernel Bitmap Dump File: Kernel address ...
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Log to file the memory usage (Private Bytes) of a process

I have a process that I'm monitoring, using Process Explorer. I'm periodically viewing the Private Bytes Performance Graph. I can't check the graph overnight, but I'd like a record of its memory ...
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Win10 (21H1) regular BSOD - memory management

Regular BSOD on address ntoskrnl.exe+3f71b0 in random app Notebook — ASUS ROG STRIX SCAR II GL504GS ES125T SDD test — ok Memory test — ok Last BIOS update installed Last win udates installed Last ...
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How to stop certain Windows games from disabling/bypassing disk read caching? A probable DRM issue

It's now the second game that I've been playing recently which for some reasons makes Windows not use disk cache. I have 64GB of RAM. The game itself eats around 7GB, 2GB are left for the OS, which ...
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Check which processes are eating swap on Linux?

To see some memory info I can watch it in top of through cat /proc/meminfo. In /proc/meminfo I can see the swap usage of the whole system like this: SwapCached: 4 kB SwapTotal: ...
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Unused memory address space 32 bit

I'm running linux on my mac mini core 2 duo. The interesting thing is that the EFI for this machine is 32 bit, but the OS is 64 bit. Because of the 32 bit EFI, I only have 4GB worth of address space. ...
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Page Cache not Fully Released

I tried to release all page cache pages. First, I checked its current size. cat /proc/meminfo|head shows: MemTotal: 11703912 kB MemFree: 5637568 kB MemAvailable: 7114944 kB Buffers: ...
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How to fix or limit MoUsoCoreWorker.exe excessive RAM usage?

MoUsoCoreWorker.exe has been causing problems since last month (June 2021), unexpectedly causing crashes and system instability due to excessive memory usage... on a computer with 16 GB RAM. I checked ...
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Windows crashes with memory-management stopcode persist through reformat

For the past ~half year, my desktop has been crashing occasionally. Windows goes to a blue screen, with the stopcode MEMORY_MANAGEMENT before crashing. I believe that I've seen a couple of different ...
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How to find heap area range for a process?

Wondering how malloc works? I mean in theory we know it reserves some memory in heap area but how do I know the start and end of this region reserved for any individual process(As process must be ...
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Where are process pages stored - in the swap space or under file system? Can demand paging work without space space?

The Galvin OS text says that on older systems, there used to be a method, where the entire running process (when in idle state) was moved from the main memory (when main memory ran low) to the disk ...
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Unable to enlarge linux partion size on gparted

I've been trying to enlarge the linux partition of my system. Following online sources, I got some unallocated memory from the windows side, and then, moving to the ubuntu side, I installed gparted. ...
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"Unknown" driver in Windows Assessment and Deployment Tool Kit

I have an issue with high ram usage. I have 16 GB RAM and its 7 GB is consuming. Normally this should be 3 GB. I detect this is a driver problem so I scan all drives with Windows Assessment and ...
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Can an RTOS (real-time operating system) read and write files in a filesystem?

Can an RTOS (real-time operating system) read and write files in a filesystem? Or is it restricted to operating with volatile memory (RAM) only? If it can, how can the timing guarantees be enforced? ...
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Too much RAM causing BSoD?

I’ve been building computers for a while now, and I was helping a buddy get his first system together. We got all the hardware in there and tried to boot it up and it blue screened a couple minutes ...
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Is it possible, either by a stock setting, extensions, or an external program to make Google Chrome restore all data upon restart? If so, how?

(This is the second question in a series including Is it possible to save a web browser (specifically, Google Chrome) session and/or cache to your computer permanently? If so, how, with what tools?, ...
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How can I see the pagefile of a process using Process Explorer?

I thought Process Explorer has every statistic possible. But I was looking for the pagefile size of a process and I can't find it. Maybe it's under a different name?
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System Guard Runtime Monitor Broker Service Issues

I have Windows 10 and assumed that the System Guard Runtime Monitor Broker Service was there to help memory issues with Microsoft only applications. I find it running even when I don't use Microsoft ...
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4 answers
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How can I find my computer's address bus width and data bus size?

I have a 64 bit x86 (x86-64) computer. Does that mean my address bus is 64 bit? I am trying to calculate addressability and address space as explained here. I don't really have any clue how to find my ...
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Windows 10 Memory management does not prevent memory leaks?

I have recently played the game Cities Skylines with a mod called "OverLayer". This mod is supposed to overlay images on the game world to allow modelling following existing real maps for ...
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3 votes
1 answer
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What is standby memory in MS windows OS?

I am using windows 7 Ultimate 64 bit. I need to know what exactly standby memory is. According to the tooltip in Task Manager> Resource Monitor window, "It's "Memory that contains cached ...
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How do I break the 2GB barrier on Windows 2016 VM?

I'm running a Windows 2016 64-bit VM on a QEMU-KVM hypervisor. On that VM I'm running an old 32-bit application which uses ~3GB RAM and was linked with /LARGEADDRESSAWARE to allow it to use more than ...
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How can I prevent my SSD to get full?

When I built my PC, I bought a 128GB SSD (C:/) and a 1TB HD (D:/). My only goal with the SSD was to install the OS, so that the PC would turn on faster, and everything else would be stored in HD. The ...
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1 answer
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Running Windows 2004 with defective RAM

Are there any solution to run Windows 10 2004 with a defective RAM module? Previous solution : bcdedit /set {badmemory} badmemorylist 0x.... 0x... bcdedit /set badmemoryaccess no doesn't work on ...
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How to clean memory working set via a command

Memory management GUI applications like TaskExplorer and RAMMap offer the possibilty to clean memory's "Working set". Is there a command line utility or a Powershell script or similar that ...
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Memory Management BSOD on Windows after swapping motherboards and RAMs, but the previous mobo and RAMs did it too. Ubuntu fine

I have two Intel Series 4 mobos. One of them is Asus Z97-C, the other one is Gigabyte H81M-S2PT. So, when I first got the Asus mobo, I bent one of the pins and had to leave it at the shop for a month. ...
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Can bad memory hardware slow down Windows 10?

My Windows 10 is sluggish on a 24GB laptop with an SSD. Often I click on an option in an app and it takes 2-5 seconds to respond. I went through disabling Windows Search and some unneeded Windows ...
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Can the CPU use the dedicated GPU Memory?

Inspired by this question So the GPU can use the main RAM as extra memory? So can the reverse happen? Can the CPU use the dedicated GPU memory as faster or extra RAM? In task manager I have 4GB of ...
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2 votes
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How accurate is MemAvailable from /proc/meminfo?

While the difference between MemFree and MemAvailable has been asked before (What is the difference between MemFree and MemAvailable in /proc/meminfo), the answers and articles (for example https://...
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Windows 10 task manager, under Details tab->Commit size, clearly didn't add up to what have shown in Performance->Memory->Commited

I know what committed means, just don't understand where all it goes. Performance Tab Start of process list, sorted by commit size End of process list, sorted by commit size
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Why 32-bit Windows can maximum have 16TB Page File?

According to Microsoft, the page file sizes of 64-bit and 32-bit Windows are 256TB and 16TB respectively. In 64-bit, the virtual address looks like this: With 4 levels of 9-bit memory mapping fields ...
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PC Having Memory Issues

So a few months ago I built my PC. The mobo is an ASUS ROG STRIX Z390-E. I have 4 sticks of Corsair Vengeance LPX DDR4 3.0GHz 8GiB. The CPU is an i9-9900k. I have a gold rated 1200w PSU in it as ...
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"Speed" vs "Configured Memory Speed" in dmidecode

Does the information below from dmidecode indicate that my memory runs twice as fast (overclocked) as nominal or at half speed? (My WWW searches yielded confusing information corroborating both.) And ...
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1 answer
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Physical memory and commit charge in windows

I would like to know why task manager shows 66% of memory usage while resource monitor shows 43%? It seems that task manager shows the commit charge value.
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Why is my mac using 450mb swap when I have more than 16gb free

I wonder why my mac is using 450mb+ swap when there's lots of free ram. I don't understand why it would decide to use swap instead of ram when there's so much of it free. I imagine the proces using ...
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16 votes
2 answers
4k views

In which "order" does Windows manage RAM?

I'm asking this question because I was having memory problems (BSODs, MemTest errors), which seem to have stopped after I switched the faulty stick from SLOT3 to SLOT4 (as labeled in my motherboard). ...
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3 answers
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How the CPU determines whether to put data in L1i or L1d

How does CPU decides what cache to use to store data just retrieved from memory? As far as I know the smallest unit of memory that CPU can access (read or write) is 64 Bytes (x86_64, DDR3/DDR4) which ...
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Clear memory content in POST

I would like to check something about Power-On-Self-Test, How should I enable the Power-On-Self-Test (POST) to clear the memory content?
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How can i overcome 1MB Restriction of /dev/mem

I am trying to access to physical memory through accessing to /dev/mem device in fedora, and only i could access to first 1MB of /dev/mem. i tried to set strict_devmem=0 in /etc/default/grub file but ...
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-1 votes
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Is using typical memory used when working under windows environment a good knowledge of needed memory for a new computer?

Let s suppose I want to buy a new computer. My reasonning for the amount of ram is the following: I look under windows environment how much memory I use when a large amount of applications that I ...
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Does windows clean up memory after my C program?

I have a short C program, but with no garbage collection, so I assume there are some memory leaks. Does Windows free the memory used by the program when it has finished executing?
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Docker container dies & gives: -bash: fork: retry: Resource temporarily unavailable

Unsure whether tho ask this on here or other communities (i.e SuperUser or Unix&Linux) but will keep here for now. I have a dockerised NodeJS app using Selenium & managed by PM2 runtime. The ...
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How to control memory consumption in windows 10?

I have been looking for a solution to the memory consumption in windows 10. Always when the system boots or while the windows is running the task manager shows almost 100% of disk/memory or both are ...
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