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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“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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dmidecode: Configured Memory Speed half of Speed [duplicate]

This is related but not completely similar to "Speed" vs "Configured Memory Speed" in dmidecode https://unix.stackexchange.com/questions/521434/dmidecode-for-ram-info-which-speed-...
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The memory seems to be full, how can I know the half of it used for?

It has happened 3 times which I had to restart my host. I still don't know where is my memory going. Can be seen from the top info , I start few process, the started process occupies less than 50%, ...
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Memory_Management BSOD after RAM upgrade in macbook dual boot late 2011

So I got this ram "OWC 16.0 GB (2X 8GB) 1333MHz 204-Pin DDR3 SO-DIMM PC3-10600 CL9 Memory Upgrade kit, (OWC1333DDR3S16P)" for my macbook pro late 2011 model. Since I have changed the ram, as ...
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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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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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How to Measure Baseline Memory of an Application before it Malfunctions?

I am testing an application that process and pass print jobs to the printers. My stress test in staging environment shows that at ~166 MB RAM usage, there will be an error from the try catch block: &...
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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 to list all NUMA zones in crash?

To list all md devices in a vmcore using crash, we can use the command: crash> list mddev.all_mddevs -H all_mddevs ffff8806bf697800 ffff8807abba7000 ffff8806d2b5f800 ffff8800b7830800 ...
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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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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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How does min_free_kbytes impact page cache?

We're tuning performance in centos6 servers. We have quite a continuous large pressure of write and we were always having quite high consumption of memory(mostly for page caching). We changed the ...
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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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77 views

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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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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68 views

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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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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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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544 views

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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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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183 views

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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544 views

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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955 views

How does Linux reduce physical memory fragmentation in real-time?

The Linux memory allocator works by mapping pages from physical memory to virtual memory. It can either map a contiguous area or sparse chunks from physical memory, to a contiguous area in virtual ...
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How are memory location addresses actually stored in the cpu?

Time and again, I've seen a representation of memory locations which is depicted as linear array of rectangular boxes with their respective memory addresses to their left side. Now, these addresses ...
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windows memory management issues

hey guys so recently installed copy of stripped down windows 10 enterprise LTSC 2019. Im no windows expert so I dont know how or what windows uses to keep hungry software from using as much memory as ...
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Which memory counter best describes the actual physical memory utilized by an application and is there a threshold value in perfmon for memory?

I'm running some performance tests on client machine to capture the Response time and resource utilization by applications, which is the memory counter that i need to look at to get the right physical ...
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104 views

Does the EHWPOISON (133) error code cause permanent damage?

Recently, while testing some software on an AAEON UPcore running Ubuntu 16.04, I have encountered exit code 133 EHWPOISON. I had never heard of it before, and after some research I found this page: ...
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Very high memory usage on Windows 10 but programs don't add up

I generally get a memory usage >80% but when I check the Task Manager, none of the programs add up to that usage. The laptop (Dell XPS 13 9360) frequently has to resort to my SSD with a large number ...
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Why RAM chips are represented like 2K X 8 format

Can anyone please explain what is the meaning of representing RAM chip in a format like 2K x 4. What are the information about the chip we get from such a representation.
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How to stop Cheat Engine and other memory modificators (JAVA application, Minecraft)

I am looking for solution on how to prevent Cheat Engine and other memory modification programs. I am working for one Minecraft server, and we have problems with CE and memory modificators because ...
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Terminal management tool for VMs -TUI [closed]

I want a tool (terminal based) that will list all the VMs, mark the running once, write how much time the VM is up, when was the last connection to it (via ssh). And also give me an easy option to ...
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1answer
520 views

Is Windows 10 memory compression used if you have no page file?

I am investigating the use of Windows 10 memory compression, to decide what the best way is to 'swap out' memory. On one hand, I could leave everything to Windows, rely on the page file and ...
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How do I have non 64k aligned private memory space?

In windows memory alignment granulatity is 64K, why do I have 4k on 0x7FFEF000? Windows 10 PRO, 11763.316
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BSOD several errors W10

i am getting several erros from MEMORY_MANAGEMENT and SYSTEM_SERVICE_EXCEPTION since i build this computer. I already tried all the normal procedures like scan virús, Chkdsk, SFC and reinstalled ...
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Windows assigning 4GB of shared Video Memory to my dedicated GPU

I was wondering if there was a way to change the amount of Shared Video Memory automatically allocated to my GPU. ASUS Prime H310M-A Intel i5-8400 @ 2.80 GHz R9 380X @ stock settings 8GB Corsair DDR4 ...

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