Questions tagged [memory]

RAM (random access memory), either RAM hardware or software and operating system use of RAM.

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RAM usage at CentOS7

I have strange behavior of Linux server. htop\free says what something using 10G of 16G. Reboot helps but only for time. Can somebody explain: what hell is this? I cleared cache\swap. Killed all ...
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Why Windows10 64bit sees only 4GB RAM on 8GB installed?

Scenario: Windows Home edition 64bit RAM: 2x4GB DDR2 800mhz Motherboard: Foxcon Q45M (Intel Q45/Q43)(up to 16GB RAM 4x4GB slot) CPUZ sees 2x4GB modules Problem: The Bios sees 2x4GB = 8GB RAM but ...
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Should I add 4 GB or RAM to my laptop which has 8 GB?

I have a laptop with the following specs 1366x768 display Ryzen 5 2500u processor 8 GB RAM 128 GB SSD 1 TB HDD At the moment, only 6.96 GB of RAM is usable because the iGPU takes 1 Gig as dedicated ...
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Ploting histogram of a data calculated in a loop [closed]

I need to plot a histogram of a variable which is calculated in a loop. I do it as below: oZ=[] for i=1:10000 o=f; oZ=[oZ;reshape(o',[],1)]; end f is a matrix where I found it in each iteration of ...
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Can get 3200Mhz from 2 RAM sticks but unable to get 3200Mhz from 4 RAM sticks

I am using Gigabyte B450 Aorus Pro Wifi motherbard, AMD Ryzen 7 2600x, Corsair DDR4 2x8GB 3200Mhz RAM (CMK16GX4M2B3200C16). My OS is Windows 10 64-bit. In the previous set-up, I had 2 RAM sticks(...
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95 views

How to detect and troubleshoot memory leaks in Windows 10?

I previously had another memory leak and it was diagnosed and solved. But now I feel I have another one and I can't seem to detect it the way I had before. Here's the old question - Windows 10 Memory ...
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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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Intel Visual Fortran Array too Big, error 41 [closed]

my code allocates a large array. I've used Lahey fortran for years and no problem, but with intel, it won't allocate the array. This is the allocation REAL(8) , Allocatable, Dimension(:,:,:,:) :: ...
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Is this RAM stick compatible with my motherboard?

I want this RAM stick (OLOy Memory DDR4 RAM 16GB (2x8GB) 2400 MHz). I have a B450M motherboard and a Ryzen 5 3600x. Is this RAM stick compatible with my motherboard?
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Is there a way to ensure a program occupies the page file instead of RAM?

I would like to have some control over which programs occupy RAM and which occupy the page file when RAM becomes limited. Perhaps some sort of prioritisation-based solution would work well. I am ...
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Why is not my memory running on dual channel?

I have just upgraded my computer from 8GB DDR3 1600 to 16GB. I bought the same brand and specs, Kingston Hyper X 1600 DDR3. My motherboard is and Asus B85M-G, I connected them to B1 and B2 slots which ...
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Very low I/O Read Bytes/sec in Corporate Win10 compared to Home PC [closed]

I am experiencing a very poor performance of a particular application on my work computer which is corporately managed Win 10 with group policy and perhaps tons of specialist software that is running ...
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32 views

CPU upgrade failed on a Dell Precision Tower

Just got two new Xeon Gold 6240 CPUs for a Dell Precision 7920 Tower. Dell's website says these chips are compatible with this computer. After installing the new chips, I'm getting a pre-boot failure ...
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How can i track values a binary loads into memory in linux?

I have a binary file in linux (linux mint cinnamon 19) which when i run it loads something (likely a string) into memory and closes, without any output. Is there any way to track where/what the ...
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Add more ram in HP Laptop 15-bs0xx?

Laptop Model-HP Laptop 15-bs0xx Board: HP 832A 23.70 Processor: 2.30 gigahertz Intel Core i3-7020U Architecture: 64 bit OS: Windows 10 home Slot1 = 4GB RAM (Speed- 2400 MHz, Form Factor- SODIMM Slot2 =...
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26 views

What is the difference between “Memory” in Task Manager and “Installed Memory (RAM)” in System Settings?

In Task Manager, it says 80% (ish) of my memory is being used, which is about 2500 MB (ish). But in Control Panel / System Settings, it says only 0.16 GB of RAM have been used. I'm not sure what "...
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memtest86+ reports slightly less memory than expected

Recently I've been testing the memory on a bunch of laptops. I have tested 3 different laptops that each have a nominal 8GiB of memory. But memtest86+ reports different amounts of memory for each of ...
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23 views

Reduce or remove Shared Memory

I'm experiencing low memory issues as you can see: Task Manager. I have a X550JX Asus laptop. It has 4GB of ram and 4GB of GPU memory (GeForce GTX 950m). I have windows 10 64bit recently updated ...
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Why would Linux use swap space when there is so much buffer/cache available?

When would Linux choose to swap out instead of using the free memory or buff/cache space? Here is my data on my computer: $ free total used free shared buff/cache ...
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Adding a low voltage RAM to existing high voltage RAM laptop [duplicate]

I have a Dell Vostro 3558 laptop. My existing RAM size 4GB. It is DDR3 (PC3-12800 800 MHz) I have two slots in my laptop and one is unused. I want to upgrade by 8GB or 4GB. I understand low voltage ...
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New build won't start, but seem to have ruled out potential causes

I'm working on a new build, and have never run into anything like this before. I hit the power button, and... nothing. No case fans, no CPU fan, no PSU fans, no sounds, no beeps, no POST, no clicking,...
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34 GB of commited memory but no app actually commited that much

Sometimes I encounter Out of memory errors and Windows Event Viewer shows this (translated): Resource-Exhaustion-Detector: A lack of virtual memory in the system was successfully detected. The ...
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Resource-Exhaustion-Detector: out of virtual memory, but plenty of RAM available [duplicate]

Windows Event Viewer shows this (translated): A lack of virtual memory in the system was successfully detected. The largest amount of virtual memory was allocated to the following programs: ...
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2answers
60 views

RAM is full with only minimal apps running on Windows 10

I have 16GB of RAM installed in my system and almost 100% is in use with only minimal apps running. This is not normally how it should be, it usually hovers around 30-40%. It is so severe that Chrome ...
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Is this RAM overclocking?

I have 2 DDR4 sticks (2x16 GB) running with a 3700X Ryzen CPU with an MSI B450M Mortar Max motherboard: one 2x16 GB Crucial rated at XMP 3200 MHz CL16 18-18-36-72 at 1,35V one 2x16 GB rated at XMP ...
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34 views

Why won't Teracopy software work only when I paste files into an android external memory card?

I have pasted some songs into my android external memory card using my pc; where I had initially installed Teracopy software. However, it won't work. Instead, the default copying of Windows kicks in. ...
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How to find out what is taking up Google Drive space? [migrated]

I had a promotion active on my Google drive that gave me 200GB for 2 years. That promotion is up now and I seem to be using 48GB out of the 17GB allowed for free accounts. This affects my gmail as ...
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52 views

What makes my app slow?

I have app installed on my RaspberryPi4. My app have utility to search something from database. It works slow :( I had this app on another computer and everything worked great. Why this app is ...
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1answer
40 views

Why do I seem to run out of memory when at 80% memory usage instead of 100%

Both on windows and Linux machines it seems as if memory usage tops out around 80% according to resource monitors. Once memory gets around 80% disk IO starts to shoot up and I can hear the computers ...
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71 views

Can data be recovered from CPU cache after shutdown? Can it be done unlimited times? How to permenantly delete all data from cache?

Can CPU cache and RAM retain data for long enough for them to be hacked by someone with access to physical hardware? Is there a formula to determine how long VRAM/DRAM retain data after they are not ...
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50 views

RAM, CPU and Task Manager? [closed]

The usage of CPU keeps fluctuating in Task Manager from 5% to 100%, is it normal? I just replaced my DDR3 2GB with DDR3 4GB RAM, or is this replacement is cause?? In the memory tab it shows cached 1....
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28 views

How to Automatically Send Message to Users If they Reach the High Level of CPU or RAM

We have Terminal Server 2012R2. We have users that takes high amount of CPU and RAM from time to time. We want to automatically warn them with Message (via Msg.exe) to close some windows before we ...
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62 views

Intel CPU memory type meaning

I'm reading Intel CPU's spec, the memory type it lists a single frequency, like for i7-8809G, it says Memory Types: DDR4-2400, the confusing is does this mean only 2400 memory modules are supported, ...
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71 views

systemctl hibernate gives error not enough swap space for hibernation although the swap space in use is four times the RAM size

I already know that in Linux systems systemctl hibernate will not allow hibernation if there is not enough swap space for hibernation. But in my case the swap space was set to 32 GiB while the RAM ...
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1answer
42 views

PC doesn't boot up first time, DRAM LED stays on. Second/third time booting up it all works fine

can anyone help me? I recently purchased this RAM: https://www.pcdiga.com/gskill-ripjaws-v-ddr4-2133mhz-2x16gb-f4-2133c15d-32gvr 32GB RAM but since then the PC never turns on the first time. It ...
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37 views

How do SO-DIMM and M.2 sockets raise the modules?

When installing a SO-DIMM or M.2 module, you insert the modules sideways, push down and lock them. What's inside the socket, what pushes the modules up? Additionally, why isn't this installation ...
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1answer
85 views

Is approximately 50% memory always used in Cache?

Not a single application is used at the moment, but around 50% of the total physical; memory available is showing as cached. I have 4GB + 4GB memory = RAM What does that mean? Is this the reason ...
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334 views

Why is my usable RAM only half of my Installed RAM?

I recently installed another 8GB of RAM, but my computer isn't able to use it. Apparently, it's all "hardware reserved." I don't think that Windows 10 needs 8GB of RAM to run, and I would like to be ...
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72 views

Can't boot with new RAM on gigabyte X299 UD4 (rev. 1.0)

My pc currently works with a single 8GB RAM GB, I recently bought a new RAM memory exactly the same as I already have. When I installed the dual channel windows crashes after a stressful use. I did ...
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why does windows default to randomly locking my usb drive so i cannot use it [duplicate]

Windows randomly does illogical things that screw me over. First it did something to power management that killed all my usbs. I do NOT want any bleeping power management at all. Why does windows ...
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42 views

CPU Normal Voltages

I have the following configuration in my PC: i5 8400, MSI B360 Gaming Plus, 16GB DDR4, GTX1050Ti. I am wondering what are the normal voltages for this CPU and if I can modify them in order for my CPU ...
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61 views

How to keep exited processes in process explorer

Im using the sysinternals process explorer to track the peak working set of processes I'm testing to benchmark them, but they disappear after a few seconds. Is there any way to allow (certain) ...
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What limits how much of the memory a PCIe device can address?

Some PCIe devices cannot read more than 4 GB of address space without an additional driver or modified driver. In such cases, what limits how much memory they can read? Is it the memory controller? Is ...
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32 views

It is possible to redirect SSD writes to RAM?

Wanting to reduce wear on my SSD, I'm wondering if it's possible to redirect, after a clean system installation, all writes to RAM. So I could benefit of my SSD without degradation. Any ideas?
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1answer
62 views

Windows sandbox memory limit

How do I increase the amount of memory available within Windows Sandbox? The default 4GB is not enough for some heavy programs. There seems to be nothing related in .wsb configuration files
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1answer
37 views

confirming installed RAM is 100% compatible

Say I went to upgrade my Laptop's RAM into a PC store, I'm still doubtful that whether the store upgraded my RAM correctly and that I will have no problem in the future. If I'd like to make sure 100% ...
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3answers
71 views

Is it okay to run two different graphics card on the same pc?

I'm currently using a 4GiB Nvidia GTX 1050ti on Gigabyte B360M D3H motherboard. I want to add more graphics memory to the system. I would like to buy a 4GiB GTX 1650 graphics card and I'm concerned ...
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1answer
19 views

Installing VMWARE ESXi 5.5 in VMWARE 9 Workstation

I have to install VMWARE ESXi 5.5 as a Virtual machine on VMWARE 9 workstation. VMWARE 9 workstation is installed on windows 10 (64 bit OS). This is like nested virtualization. However the virtual ...
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48 views

How to find compatible RAM for second laptop DIMM slot

I bought a laptop that has 2 DIMM slots, it shipped with a 16 GB stick in one of these slots, but I want to upgrade it and get another 16 GB stick without sacrificing my existing one. I did a little ...
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27 views

Advantage of video memory for non-gaming use

So, I finally get a computer where I do not have to juggle the memory. Going from 8 to 32 Gb, I actually have some to spare. Setting up the new computer, I came across the video memory configuration,...